{"id":75530,"date":"2025-10-21T10:21:41","date_gmt":"2025-10-21T03:21:41","guid":{"rendered":"https:\/\/www.baohoxanh.com\/blog\/?p=75530"},"modified":"2026-09-04T15:58:18","modified_gmt":"2026-09-04T08:58:18","slug":"3-loai-khau-trang-dat-chuan-pho-bien-nhat","status":"publish","type":"post","link":"https:\/\/www.baohoxanh.com\/blog\/3-loai-khau-trang-dat-chuan-pho-bien-nhat\/","title":{"rendered":"C\u00e1c Lo\u1ea1i Kh\u1ea9u Trang \u0110\u1ea1t Chu\u1ea9n Hi\u1ec7n Nay V\u00e0 C\u00e1ch \u0110\u1ecdc Con S\u1ed1 Tr\u00ean Nh\u00e3n"},"content":{"rendered":"Con s\u1ed1 ph\u1ea7n tr\u0103m in tr\u00ean h\u1ed9p kh\u1ea9u trang l\u00e0 th\u1ee9 hay b\u1ecb \u0111\u1ecdc sai nh\u1ea5t trong nh\u00f3m h\u00e0ng n\u00e0y, v\u00ec m\u1ed7i ti\u00eau chu\u1ea9n \u0111o b\u1eb1ng m\u1ed9t lo\u1ea1i h\u1ea1t kh\u00e1c nhau, \u1edf m\u1ed9t l\u01b0u l\u01b0\u1ee3ng kh\u00ed kh\u00e1c nhau, v\u00e0 tr\u00ean m\u1ed9t m\u1eabu v\u1ea3i ph\u1eb3ng ch\u1ee9 kh\u00f4ng ph\u1ea3i tr\u00ean khu\u00f4n m\u1eb7t ng\u01b0\u1eddi. B\u00e0i n\u00e0y \u0111i qua b\u1ed1n h\u1ec7 ti\u00eau chu\u1ea9n \u0111ang l\u01b0u h\u00e0nh, \u00fd ngh\u0129a th\u1eadt c\u1ee7a t\u1eebng con s\u1ed1, v\u00e0 kho\u1ea3ng c\u00e1ch gi\u1eefa hi\u1ec7u su\u1ea5t ph\u00f2ng th\u00ed nghi\u1ec7m v\u1edbi hi\u1ec7u qu\u1ea3 khi \u0111eo ngo\u00e0i \u0111\u1eddi.\r\n<h2><b>\u0110\u1ecdc \u0110\u00fang Con S\u1ed1 Ph\u1ea7n Tr\u0103m Tr\u00ean Nh\u00e3n<\/b><a href=\"https:\/\/www.baohoxanh.com\/khau-trang\"> <b>Kh\u1ea9u Trang \u0110\u1ea1t Chu\u1ea9n Ch\u1ea5t L\u01b0\u1ee3ng<\/b><\/a><\/h2>\r\nTrong b\u1ed1i c\u1ea3nh kh\u00f4ng kh\u00ed \u0111\u00f4 th\u1ecb ng\u00e0y c\u00e0ng nhi\u1ec1u t\u1ea1p ch\u1ea5t v\u00e0 c\u00e1c b\u1ec7nh \u0111\u01b0\u1eddng h\u00f4 h\u1ea5p di\u1ec5n bi\u1ebfn n\u1eb7ng n\u1ec1, vi\u1ec7c ch\u1ecdn \u0111\u00fang lo\u1ea1i kh\u1ea9u trang cho t\u1eebng m\u00f4i tr\u01b0\u1eddng tr\u1edf th\u00e0nh vi\u1ec7c \u0111\u00e1ng b\u1ecf c\u00f4ng t\u00ecm hi\u1ec3u. Kh\u1ea9u trang \u0111\u1ea1t chu\u1ea9n kh\u00f4ng ch\u1ec9 gi\u00fap ng\u0103n ng\u1eeba virus, vi khu\u1ea9n m\u00e0 c\u00f2n b\u1ea3o v\u1ec7 c\u01a1 quan h\u00f4 h\u1ea5p kh\u1ecfi b\u1ee5i m\u1ecbn PM2.5.\r\n\r\nKh\u00f4ng c\u00f3 m\u1ed9t ng\u01b0\u1ee1ng ph\u1ea7n tr\u0103m duy nh\u1ea5t cho m\u1ecdi lo\u1ea1i kh\u1ea9u trang: m\u1ed7i ti\u00eau chu\u1ea9n \u0111\u1eb7t ng\u01b0\u1ee1ng ri\u00eang theo ph\u00e9p th\u1eed ri\u00eang, ch\u1eb3ng h\u1ea1n EN 14683 Type I y\u00eau c\u1ea7u l\u1ecdc khu\u1ea9n t\u1eeb 95%, KF94 y\u00eau c\u1ea7u l\u1ecdc h\u1ea1t 94%, c\u00f2n N95 y\u00eau c\u1ea7u l\u1ecdc h\u1ea1t 95%. V\u00ec v\u1eady ch\u1ec9 so hai con s\u1ed1 ph\u1ea7n tr\u0103m v\u1edbi nhau l\u00e0 so nh\u1ea7m, ph\u1ea3i xem con s\u1ed1 \u0111\u00f3 thu\u1ed9c ph\u00e9p th\u1eed n\u00e0o. Vi\u1ec7c s\u1eed d\u1ee5ng kh\u1ea9u trang b\u1ea3o h\u1ed9 kh\u00f4ng \u0111\u1ea1t ti\u00eau chu\u1ea9n kh\u00f4ng ch\u1ec9 kh\u00f4ng b\u1ea3o v\u1ec7 \u0111\u01b0\u1ee3c s\u1ee9c kh\u1ecfe m\u00e0 c\u00f2n ti\u1ec1m \u1ea9n nguy c\u01a1 ph\u1ea3n t\u00e1c d\u1ee5ng.\r\n\r\n<figure class=\"wp-block-image aligncenter\"><img decoding=\"async\" loading=\"lazy\" class=\"wp-image-75532 size-full\" src=\"https:\/\/www.baohoxanh.com\/blog\/wp-content\/uploads\/2025\/10\/khau-trang-dat-chuan-chat-luong.jpg\" alt=\"Kh\u1ea9u Trang \u0110\u1ea1t Chu\u1ea9n Ch\u1ea5t L\u01b0\u1ee3ng\" width=\"600\" height=\"600\" title=\"\" srcset=\"https:\/\/www.baohoxanh.com\/blog\/wp-content\/uploads\/2025\/10\/khau-trang-dat-chuan-chat-luong.jpg 600w, https:\/\/www.baohoxanh.com\/blog\/wp-content\/uploads\/2025\/10\/khau-trang-dat-chuan-chat-luong-300x300.jpg 300w, https:\/\/www.baohoxanh.com\/blog\/wp-content\/uploads\/2025\/10\/khau-trang-dat-chuan-chat-luong-150x150.jpg 150w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><figcaption class=\"wp-element-caption\">L\u1edbp l\u1ecdc n\u1eb1m \u1edf gi\u1eefa; hai l\u1edbp ngo\u00e0i v\u00e0 trong ch\u1ec9 gi\u1eef form v\u00e0 ti\u1ebfp x\u00fac da, kh\u00f4ng \u0111\u00f3ng g\u00f3p v\u00e0o con s\u1ed1 ph\u1ea7n tr\u0103m<\/figcaption><\/figure>\r\n\r\nC\u00f3 m\u1ed9t \u0111i\u1ec1u tr\u00e1i tr\u1ef1c gi\u00e1c c\u1ea7n bi\u1ebft tr\u01b0\u1edbc khi \u0111\u1ecdc c\u00e1c con s\u1ed1: h\u1ea1t kh\u00f3 l\u1ecdc nh\u1ea5t kh\u00f4ng ph\u1ea3i h\u1ea1t nh\u1ecf nh\u1ea5t. H\u1ea1t r\u1ea5t l\u1edbn b\u1ecb ch\u1eb7n c\u01a1 h\u1ecdc, h\u1ea1t r\u1ea5t nh\u1ecf chuy\u1ec3n \u0111\u1ed9ng h\u1ed7n lo\u1ea1n n\u00ean t\u1ef1 va v\u00e0o s\u1ee3i v\u00e0 d\u00ednh l\u1ea1i; kh\u00f3 b\u1eaft nh\u1ea5t l\u00e0 nh\u00f3m h\u1ea1t c\u1ee1 trung gian quanh 0,3 micromet, v\u00ec ch\u00fang v\u1eeba qu\u00e1 nh\u1ecf \u0111\u1ec3 b\u1ecb ch\u1eb7n v\u1eeba qu\u00e1 l\u1edbn \u0111\u1ec3 va \u0111\u1eadp ng\u1eabu nhi\u00ean. \u0110\u00f3 l\u00e0 l\u00fd do c\u00e1c ph\u00e9p th\u1eed l\u1ecdc h\u1ea1t \u0111\u1ec1u \u0111o \u1edf \u0111\u00fang c\u1ee1 n\u00e0y \u2014 \u0111o \u1edf ch\u1ed7 kh\u00f3 nh\u1ea5t, \u0111\u1ec3 con s\u1ed1 c\u00f4ng b\u1ed1 l\u00e0 m\u1ee9c s\u00e0n ch\u1ee9 kh\u00f4ng ph\u1ea3i m\u1ee9c \u0111\u1eb9p nh\u1ea5t.\r\n<h2><b>Ti\u00eau Chu\u1ea9n V\u00e0 C\u1ea5u T\u1ea1o C\u1ee7a Kh\u1ea9u Trang \u0110\u1ea1t Chu\u1ea9n<\/b><\/h2>\r\n<h3><b>C\u00e1c Ti\u00eau Chu\u1ea9n Ph\u1ed5 Bi\u1ebfn<\/b><\/h3>\r\nC\u00e1c h\u1ec7 ti\u00eau chu\u1ea9n chia l\u00e0m hai nh\u00e1nh v\u1edbi m\u1ee5c \u0111\u00edch ng\u01b0\u1ee3c nhau, v\u00e0 \u0111\u00e2y l\u00e0 ch\u1ed7 g\u00e2y nh\u1ea7m l\u1eabn l\u1edbn nh\u1ea5t. Nh\u00e1nh kh\u1ea9u trang y t\u1ebf \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 ch\u1eb7n gi\u1ecdt b\u1eafn \u0111i ra t\u1eeb ng\u01b0\u1eddi \u0111eo, b\u1ea3o v\u1ec7 b\u1ec7nh nh\u00e2n tr\u00ean b\u00e0n m\u1ed5; n\u00f3 kh\u00f4ng c\u1ea7n \u00f4m kh\u00edt m\u1eb7t. Nh\u00e1nh kh\u1ea9u trang l\u1ecdc b\u1ee5i \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 b\u1ea3o v\u1ec7 ch\u00ednh ng\u01b0\u1eddi \u0111eo kh\u1ecfi th\u1ee9 c\u00f3 trong kh\u00f4ng kh\u00ed; n\u00f3 b\u1eaft bu\u1ed9c ph\u1ea3i \u00f4m kh\u00edt, v\u00ec kh\u00f4ng kh\u00ed lu\u00f4n \u0111i theo \u0111\u01b0\u1eddng \u00edt c\u1ea3n nh\u1ea5t, t\u1ee9c l\u00e0 qua khe h\u1edf ch\u1ee9 kh\u00f4ng qua l\u1edbp l\u1ecdc.\r\n\r\nC\u00e1c t\u1ed5 ch\u1ee9c n\u01b0\u1edbc ngo\u00e0i nh\u01b0 ASTM (M\u1ef9), EN (Ch\u00e2u \u00c2u), NIOSH (M\u1ef9) hay KF (H\u00e0n Qu\u1ed1c) \u0111\u1ec1u \u0111\u01b0a ra c\u00e1c quy chu\u1ea9n ki\u1ec3m \u0111\u1ecbnh cho t\u1eebng lo\u1ea1i. C\u00e1c ti\u00eau chu\u1ea9n hi\u1ec7n nay:\r\n\r\n<h4>Ti\u00eau Chu\u1ea9n ASTM (Hoa K\u1ef3)<\/h4>\r\n<ul>\r\n \t<li aria-level=\"1\">ASTM \u0111\u01b0\u1ee3c chia th\u00e0nh ba c\u1ea5p \u0111\u1ed9 (Level 1 \u2013 3) d\u1ef1a tr\u00ean m\u1ee9c \u0111\u1ed9 b\u1ea3o v\u1ec7:<\/li>\r\n<\/ul>\r\nLevel 1: D\u00e0nh cho m\u00f4i tr\u01b0\u1eddng r\u1ee7i ro th\u1ea5p, b\u1ea3o v\u1ec7 c\u01a1 b\u1ea3n kh\u1ecfi gi\u1ecdt b\u1eafn nh\u1ecf.\r\nLevel 2: Hi\u1ec7u qu\u1ea3 l\u1ecdc khu\u1ea9n t\u1ed1t h\u01a1n, d\u00f9ng trong m\u00f4i tr\u01b0\u1eddng c\u00f3 nguy c\u01a1 trung b\u00ecnh.\r\nLevel 3: C\u1ea5p \u0111\u1ed9 cao nh\u1ea5t, l\u1ecdc khu\u1ea9n t\u1edbi 98\u201399%, ch\u1ed1ng th\u1ea5m t\u1ed1i \u0111a, d\u00f9ng trong m\u00f4i tr\u01b0\u1eddng b\u1ec7nh vi\u1ec7n.\r\n<ul>\r\n \t<li aria-level=\"1\">Ngo\u00e0i ra, ASTM c\u00f2n \u0111\u00e1nh gi\u00e1 c\u00e1c ch\u1ec9 s\u1ed1 nh\u01b0:<\/li>\r\n<\/ul>\r\nBFE (Bacterial Filtration Efficiency): Hi\u1ec7u qu\u1ea3 l\u1ecdc vi khu\u1ea9n.\r\nPFE (Particle Filtration Efficiency): Hi\u1ec7u qu\u1ea3 l\u1ecdc h\u1ea1t b\u1ee5i.\r\n\u0394P (Differential Pressure): \u0110\u1ed9 tho\u00e1ng kh\u00ed \u2013 ch\u1ec9 s\u1ed1 c\u00e0ng th\u1ea5p, ng\u01b0\u1eddi d\u00f9ng c\u00e0ng d\u1ec5 th\u1edf.\r\nResistance to penetration by synthetic blood: Kh\u1ea3 n\u0103ng ch\u1ed1ng th\u1ea5m m\u00e1u t\u1ed5ng h\u1ee3p.\r\n\r\n\u0110i\u1ec3m c\u1ea7n ch\u00fa \u00fd trong b\u1ed9 ch\u1ec9 s\u1ed1 ASTM l\u00e0 \u0394P lu\u00f4n \u0111i ng\u01b0\u1ee3c chi\u1ec1u v\u1edbi hi\u1ec7u su\u1ea5t l\u1ecdc: v\u1ea3i l\u1ecdc c\u00e0ng ch\u1eb7t th\u00ec c\u00e0ng kh\u00f3 th\u1edf qua. V\u00ec v\u1eady m\u1ed9t chi\u1ebfc kh\u1ea9u trang c\u00f3 BFE r\u1ea5t cao m\u00e0 \u0394P c\u0169ng r\u1ea5t cao l\u00e0 chi\u1ebfc m\u00e0 ng\u01b0\u1eddi \u0111eo s\u1ebd k\u00e9o xu\u1ed1ng c\u1eb1m sau m\u1ed9t gi\u1edd \u2014 v\u00e0 l\u00fac \u0111\u00f3 n\u00f3 kh\u00f4ng b\u1ea3o v\u1ec7 \u0111\u01b0\u1ee3c g\u00ec. V\u1edbi ca l\u00e0m t\u00e1m ti\u1ebfng, \u0394P th\u1ea5p c\u00f3 gi\u00e1 tr\u1ecb th\u1ef1c t\u1ebf ngang v\u1edbi con s\u1ed1 l\u1ecdc khu\u1ea9n.\r\n\r\n<h4>Ti\u00eau Chu\u1ea9n EN 14683 (Ch\u00e2u \u00c2u)<\/h4>\r\n\u0110\u00e2y l\u00e0 ti\u00eau chu\u1ea9n \u0111\u01b0\u1ee3c Li\u00ean minh Ch\u00e2u \u00c2u (EU) c\u00f4ng nh\u1eadn cho kh\u1ea9u trang b\u1ea3o h\u1ed9 y t\u1ebf, v\u1edbi m\u1ee5c ti\u00eau b\u1ea3o v\u1ec7 ng\u01b0\u1eddi d\u00f9ng kh\u1ecfi vi khu\u1ea9n, gi\u1ecdt b\u1eafn v\u00e0 b\u1ee5i m\u1ecbn. EN 14683 ph\u00e2n chia kh\u1ea9u trang b\u1ea3o h\u1ed9 th\u00e0nh 3 lo\u1ea1i ch\u00ednh:\r\n<ul>\r\n \t<li aria-level=\"1\">Type I: L\u1ecdc khu\u1ea9n \u2265 95%, d\u00e0nh cho m\u00f4i tr\u01b0\u1eddng \u00edt nguy c\u01a1.<\/li>\r\n \t<li aria-level=\"1\">Type II: L\u1ecdc khu\u1ea9n \u2265 98%, d\u00f9ng trong m\u00f4i tr\u01b0\u1eddng c\u00f4ng c\u1ed9ng ho\u1eb7c b\u1ec7nh vi\u1ec7n th\u00f4ng th\u01b0\u1eddng.<\/li>\r\n \t<li aria-level=\"1\">Type IIR: T\u01b0\u01a1ng t\u1ef1 Type II nh\u01b0ng c\u00f3 th\u00eam kh\u1ea3 n\u0103ng ch\u1ed1ng th\u1ea5m d\u1ecbch, ph\u00f9 h\u1ee3p trong ph\u1eabu thu\u1eadt ti\u1ebfp x\u00fac tr\u1ef1c ti\u1ebfp d\u1ec5 b\u1ecb l\u00e2y ch\u00e9o.<\/li>\r\n<\/ul>\r\n<h4>Ti\u00eau Chu\u1ea9n NIOSH (Hoa K\u1ef3)<\/h4>\r\nKh\u1ea9u trang \u0111\u1ea1t chu\u1ea9n ch\u1ee9ng nh\u1eadn NIOSH \u0111\u01b0\u1ee3c \u0111\u00e1nh gi\u00e1 d\u1ef1a tr\u00ean:\r\n<ul>\r\n \t<li aria-level=\"1\">Hi\u1ec7u su\u1ea5t l\u1ecdc h\u1ea1t \u2265 95% \u0111\u1ed1i v\u1edbi b\u1ee5i m\u1ecbn c\u00f3 k\u00edch th\u01b0\u1edbc 0.3 micron.<\/li>\r\n \t<li aria-level=\"1\">Kh\u1ea3 n\u0103ng kh\u00e1ng d\u1ea7u<\/li>\r\n \t<li aria-level=\"1\">\u0110\u1ed9 b\u1ec1n d\u00e2y \u0111eo, \u0111\u1ed9 k\u00edn c\u1ee7a m\u1eb7t n\u1ea1 v\u00e0 kh\u1ea3 n\u0103ng duy tr\u00ec \u00e1p su\u1ea5t \u1ed5n \u0111\u1ecbnh khi th\u1edf.<\/li>\r\n<\/ul>\r\nLo\u1ea1i N95 l\u00e0 th\u00f4ng d\u1ee5ng nh\u1ea5t. Ngo\u00e0i ra c\u00f2n c\u00f3 R95 v\u00e0 P95 d\u00e0nh ri\u00eang cho m\u00f4i tr\u01b0\u1eddng c\u00f3 sol kh\u00ed ch\u1ee9a d\u1ea7u, v\u00ec ch\u1eef N ngh\u0129a l\u00e0 kh\u00f4ng kh\u00e1ng d\u1ea7u. C\u1ea3 ba lo\u1ea1i n\u00e0y \u0111\u1ec1u l\u00e0 phin l\u1ecdc h\u1ea1t: ch\u00fang kh\u00f4ng ch\u1eb7n \u0111\u01b0\u1ee3c kh\u00ed v\u00e0 h\u01a1i ho\u00e1 ch\u1ea5t. Mu\u1ed1n ch\u1eb7n h\u01a1i dung m\u00f4i ph\u1ea3i d\u00f9ng m\u1eb7t n\u1ea1 l\u1eafp phin l\u1ecdc ho\u00e1 ch\u1ea5t \u0111\u00fang lo\u1ea1i, v\u00e0 ng\u01b0\u1ee3c l\u1ea1i phin ho\u00e1 ch\u1ea5t c\u0169ng kh\u00f4ng gi\u1eef \u0111\u01b0\u1ee3c b\u1ee5i n\u1ebfu thi\u1ebfu t\u1ea7ng l\u1ecdc h\u1ea1t.\n\n<p>Tr\u00ean hi\u1ec7n v\u1eadt, ch\u1ee9ng nh\u1eadn NIOSH hi\u1ec7n ra d\u01b0\u1edbi d\u1ea1ng m\u1ed9t d\u00e3y k\u00fd t\u1ef1 in tr\u1ef1c ti\u1ebfp l\u00ean th\u00e2n kh\u1ea9u trang. <a href=\"https:\/\/www.cdc.gov\/niosh\/ppe\/respirators\/ffr.html\" target=\"_blank\" rel=\"noopener nofollow\">Trang NIOSH v\u1ec1 kh\u1ea9u trang l\u1ecdc b\u1ee5i d\u1ea1ng phin l\u1ecdc<\/a> m\u00f4 t\u1ea3 tem ph\u00ea duy\u1ec7t theo m\u1eabu TC 84A-XXXX \u0111i k\u00e8m t\u00ean nh\u00e0 s\u1ea3n xu\u1ea5t v\u00e0 m\u00e3 model; thi\u1ebfu d\u00e3y k\u00fd t\u1ef1 \u0111\u00f3 th\u00ec m\u1ea5y ch\u1eef &#8220;chu\u1ea9n N95&#8221; tr\u00ean bao b\u00ec ch\u1ec9 l\u00e0 ch\u1eef in. Trang n\u00e0y c\u0169ng y\u00eau c\u1ea7u ki\u1ec3m \u0111\u1ed9 k\u00edn b\u1eb1ng tay m\u1ed7i l\u1ea7n \u0111eo \u2014 b\u1ecbt m\u1eb7t ngo\u00e0i r\u1ed3i h\u00edt v\u00e0o, kh\u1ea9u trang h\u00f3p l\u1ea1i l\u00e0 \u0111\u1ea1t. Ph\u00e9p ki\u1ec3m b\u1eb1ng tay n\u00e0y c\u0169ng c\u00f3 gi\u1edbi h\u1ea1n c\u1ee7a n\u00f3: khi l\u1edbp meltblown \u0111\u00e3 m\u1ea5t \u0111i\u1ec7n t\u00edch v\u00ec \u1ea9m, kh\u1ea9u trang v\u1eabn h\u00f3p l\u1ea1i nh\u01b0 th\u01b0\u1eddng trong khi hi\u1ec7u su\u1ea5t l\u1ecdc \u0111\u00e3 t\u1ee5t, n\u00ean \u0111\u1ed9 k\u00edn \u0111\u1ea1t kh\u00f4ng \u0111\u1ed3ng ngh\u0129a v\u1edbi m\u00e0ng l\u1ecdc c\u00f2n t\u1ed1t.<\/p>\r\n\r\n<h4>Ti\u00eau Chu\u1ea9n KF94 (H\u00e0n Qu\u1ed1c)<\/h4>\r\nKh\u1ea9u trang \u0111\u1ea1t chu\u1ea9n KF94 \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf 4 l\u1edbp, v\u1edbi h\u00ecnh d\u00e1ng 3D \u00f4m s\u00e1t m\u1eb7t, v\u1eeba kh\u00edt m\u00e0 v\u1eabn d\u1ec5 th\u1edf.\r\n<ul>\r\n \t<li aria-level=\"1\">L\u1edbp ngo\u00e0i c\u00f9ng: ch\u1ed1ng th\u1ea5m n\u01b0\u1edbc, b\u1ee5i, v\u00e0 gi\u1ecdt b\u1eafn.<\/li>\r\n \t<li aria-level=\"1\">L\u1edbp l\u1ecdc trung t\u00e2m: m\u00e0ng l\u1ecdc t\u0129nh \u0111i\u1ec7n l\u1ecdc b\u1ee5i m\u1ecbn, vi khu\u1ea9n, virus.<\/li>\r\n \t<li aria-level=\"1\">L\u1edbp trong c\u00f3 v\u1ea3i m\u1ecbn m\u00e0ng, th\u1ea5m h\u00fat t\u1ed1t, tr\u00e1nh g\u00e2y d\u1ecb \u1ee9ng.<\/li>\r\n<\/ul>\r\nD\u00e1ng g\u1ea5p ba c\u1ea1nh c\u1ee7a KF94 t\u1ea1o m\u1ed9t khoang tr\u1ed1ng tr\u01b0\u1edbc mi\u1ec7ng, n\u00ean h\u01a1i th\u1edf kh\u00f4ng \u0111\u1ea9y th\u1eb3ng v\u00e0o l\u1edbp v\u1ea3i v\u00e0 ng\u01b0\u1eddi \u0111eo \u0111\u1ee1 th\u1ea5y b\u00ed h\u01a1n ki\u1ec3u \u00fap ph\u1eb3ng. \u0110\u1ed5i l\u1ea1i, ch\u00ednh khoang tr\u1ed1ng \u0111\u00f3 l\u00e0m m\u00e9p hai b\u00ean m\u00e1 d\u1ec5 v\u00eanh ra n\u1ebfu g\u1ecdng tai ch\u00f9ng, v\u00e0 khe h\u1edf \u1edf m\u00e1 l\u00e0 \u0111\u01b0\u1eddng r\u00f2 l\u1edbn nh\u1ea5t tr\u00ean m\u1ecdi ki\u1ec3u kh\u1ea9u trang. Ki\u1ec3m nhanh b\u1eb1ng c\u00e1ch \u0111eo k\u00ednh r\u1ed3i th\u1edf m\u1ea1nh: k\u00ednh m\u1edd ngh\u0129a l\u00e0 h\u01a1i th\u1edf \u0111ang tho\u00e1t l\u00ean tr\u00ean, t\u1ee9c ch\u1ed7 s\u1ed1ng m\u0169i ch\u01b0a k\u00edn.\r\n<h3><b>C\u1ea5u T\u1ea1o Nhi\u1ec1u L\u1edbp V\u00e0 Vai Tr\u00f2 C\u1ee7a T\u1eebng L\u1edbp<\/b><\/h3>\r\nS\u1ed1 l\u1edbp ghi tr\u00ean bao b\u00ec kh\u00f4ng n\u00f3i l\u00ean hi\u1ec7u su\u1ea5t l\u1ecdc, v\u00ec ch\u1ec9 c\u00f3 \u0111\u00fang m\u1ed9t l\u1edbp l\u00e0m vi\u1ec7c l\u1ecdc. Th\u00eam l\u1edbp v\u1ea3i kh\u00f4ng d\u1ec7t \u1edf ngo\u00e0i hay \u1edf trong ch\u1ec9 l\u00e0m d\u00e0y th\u00eam v\u00e0 c\u1ea3n tr\u1edf h\u01a1i th\u1edf, trong khi con s\u1ed1 ph\u1ea7n tr\u0103m v\u1eabn do l\u1edbp gi\u1eefa quy\u1ebft \u0111\u1ecbnh. V\u00ec v\u1eady kh\u1ea9u trang b\u1ed1n l\u1edbp kh\u00f4ng m\u1eb7c nhi\u00ean t\u1ed1t h\u01a1n kh\u1ea9u trang ba l\u1edbp, v\u00e0 c\u00e1ch so \u0111\u00fang l\u00e0 so ti\u00eau chu\u1ea9n c\u00f9ng k\u1ebft qu\u1ea3 th\u1eed, kh\u00f4ng so s\u1ed1 l\u1edbp.\r\n\r\nL\u1edbp ngo\u00e0i &#8211; h\u00e0ng r\u00e0o ch\u1ed1ng th\u1ea5m v\u00e0 ch\u1ed1ng b\u1ee5i:\r\n\r\nL\u1edbp ngo\u00e0i c\u00f9ng th\u01b0\u1eddng c\u00f3 t\u00ednh ch\u1ed1ng n\u01b0\u1edbc, ch\u1ed1ng th\u1ea5m v\u00e0 kh\u00e1ng khu\u1ea9n nh\u1eb9, gi\u00fap ng\u0103n ch\u1eb7n c\u00e1c gi\u1ecdt b\u1eafn ch\u1ee9a virus, vi khu\u1ea9n ho\u1eb7c b\u1ee5i l\u1edbn t\u1eeb m\u00f4i tr\u01b0\u1eddng b\u00ean ngo\u00e0i.\r\n<ul>\r\n \t<li aria-level=\"1\">Trong kh\u1ea9u trang \u0111\u1ea1t chu\u1ea9n b\u1ea3o h\u1ed9 y t\u1ebf, l\u1edbp n\u00e0y gi\u00fap ch\u1eb7n gi\u1ecdt b\u1eafn khi ng\u01b0\u1eddi kh\u00e1c ho ho\u1eb7c h\u1eaft h\u01a1i.<\/li>\r\n \t<li aria-level=\"1\">\u1ede kh\u1ea9u trang b\u1ea3o h\u1ed9 KF94 ho\u1eb7c N95, l\u1edbp ngo\u00e0i ch\u1ec9 gi\u1eef form v\u00e0 c\u1ea3n gi\u1ecdt b\u1eafn; ph\u1ea7n l\u1ecdc b\u1ee5i m\u1ecbn n\u1eb1m \u1edf l\u1edbp meltblown b\u00ean trong, l\u00e0 l\u1edbp \u0111\u01b0\u1ee3c t\u00edch \u0111i\u1ec7n ch\u1ee7 \u0111\u1ed9ng \u0111\u1ec3 h\u00fat gi\u1eef vi h\u1ea1t ch\u1ee9 kh\u00f4ng ph\u1ea3i l\u1edbp ch\u1ed1ng t\u0129nh \u0111i\u1ec7n.<\/li>\r\n \t<li aria-level=\"1\">V\u1edbi kh\u1ea9u trang \u0111\u1ea1t chu\u1ea9n d\u00f2ng than ho\u1ea1t t\u00ednh, l\u1edbp ngo\u00e0i kh\u00f4ng ch\u1ec9 ch\u1eafn b\u1ee5i m\u00e0 c\u00f2n h\u1ed7 tr\u1ee3 gi\u1eef c\u1ea5u tr\u00fac \u1ed5n \u0111\u1ecbnh, b\u1ea3o v\u1ec7 c\u00e1c l\u1edbp l\u1ecdc b\u00ean trong.<\/li>\r\n<\/ul>\r\nV\u1ec1 c\u00e1c l\u1edbp ph\u1ee7 ghi l\u00e0 kh\u00e1ng khu\u1ea9n hay nano b\u1ea1c, c\u1ea7n t\u00e1ch b\u1ea1ch hai vi\u1ec7c: \u1ee9c ch\u1ebf vi khu\u1ea9n sinh s\u00f4i tr\u00ean b\u1ec1 m\u1eb7t v\u1ea3i l\u00e0 m\u1ed9t chuy\u1ec7n, c\u00f2n ch\u1eb7n virus trong lu\u1ed3ng kh\u00ed \u0111i qua l\u00e0 chuy\u1ec7n kh\u00e1c h\u1eb3n. L\u1edbp ph\u1ee7 kh\u00e1ng khu\u1ea9n x\u1eed l\u00fd vi\u1ec7c th\u1ee9 nh\u1ea5t, t\u1ee9c gi\u1ea3m m\u00f9i v\u00e0 gi\u1ea3m m\u1ed1c tr\u00ean ch\u00ednh t\u1ea5m v\u1ea3i; n\u00f3 kh\u00f4ng thay \u0111\u01b0\u1ee3c l\u1edbp l\u1ecdc v\u00e0 c\u0169ng kh\u00f4ng l\u00e0m t\u0103ng con s\u1ed1 ph\u1ea7n tr\u0103m n\u00e0o.\r\n\r\nL\u1edbp gi\u1eefa &#8211; m\u00e0n l\u1ecdc t\u0129nh \u0111i\u1ec7n ho\u1eb7c than ho\u1ea1t t\u00ednh:\r\n\r\n\u0110\u00e2y l\u00e0 tr\u00e1i tim c\u1ee7a kh\u1ea9u trang \u0111\u1ea1t chu\u1ea9n, c\u00f3 nhi\u1ec7m v\u1ee5 ch\u00ednh l\u00e0 l\u1ecdc b\u1ee5i m\u1ecbn PM2.5, vi khu\u1ea9n, virus, v\u00e0 c\u00e1c h\u1ea1t si\u00eau nh\u1ecf trong kh\u00f4ng kh\u00ed.\r\n\r\nL\u1edbp n\u00e0y th\u01b0\u1eddng \u0111\u01b0\u1ee3c c\u1ea5u t\u1ea1o t\u1eeb m\u00e0ng l\u1ecdc Melt-Blown \u2013 m\u1ed9t lo\u1ea1i s\u1ee3i polymer si\u00eau m\u1ecbn, \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t b\u1eb1ng c\u00f4ng ngh\u1ec7 phun n\u00f3ng ch\u1ea3y, t\u1ea1o n\u00ean m\u1ed9t m\u1ea1ng l\u01b0\u1edbi d\u00e0y \u0111\u1eb7c nh\u01b0ng v\u1eabn th\u00f4ng tho\u00e1ng.\r\n<ul>\r\n \t<li aria-level=\"1\">Trong kh\u1ea9u trang \u0111\u1ea1t chu\u1ea9n trong y t\u1ebf: m\u00e0ng Melt-Blown gi\u00fap l\u1ecdc vi khu\u1ea9n \u0111\u1ebfn 99% nh\u1edd c\u01a1 ch\u1ebf t\u0129nh \u0111i\u1ec7n h\u00fat h\u1ea1t b\u1ee5i nh\u1ecf kh\u00f4ng th\u1ec3 th\u1ea5y \u0111\u01b0\u1ee3c.<\/li>\r\n \t<li aria-level=\"1\">Trong kh\u1ea9u trang N95 ho\u1eb7c KF94: m\u00e0ng l\u1ecdc \u0111\u01b0\u1ee3c t\u0103ng c\u01b0\u1eddng v\u1edbi hai ho\u1eb7c ba l\u1edbp Melt-Blown \u0111\u1ec3 t\u0103ng kh\u1ea3 n\u0103ng l\u1ecdc l\u00ean \u0111\u1ebfn 94\u201395%, \u0111\u1ee7 \u0111\u1ec3 ch\u1eb7n l\u1ea1i h\u1ea1t b\u1ee5i k\u00edch th\u01b0\u1edbc 0.3 micron \u2013 nh\u1ecf h\u01a1n c\u1ea3 vi khu\u1ea9n th\u00f4ng th\u01b0\u1eddng.<\/li>\r\n \t<li aria-level=\"1\">V\u1edbi kh\u1ea9u trang than ho\u1ea1t t\u00ednh: m\u00e0ng l\u1ecdc gi\u1eefa \u0111\u01b0\u1ee3c thay th\u1ebf ho\u1eb7c b\u1ed5 sung th\u00eam l\u1edbp than ho\u1ea1t t\u00ednh (Activated Carbon), c\u00f3 kh\u1ea3 n\u0103ng h\u1ea5p th\u1ee5 kh\u00ed \u0111\u1ed9c, kh\u00f3i xe, h\u01a1i h\u00f3a ch\u1ea5t, formaldehyde v\u00e0 m\u00f9i h\u00f4i \u2013 r\u1ea5t ph\u00f9 h\u1ee3p v\u1edbi ng\u01b0\u1eddi s\u1ed1ng \u1edf \u0111\u00f4 th\u1ecb ho\u1eb7c th\u01b0\u1eddng xuy\u00ean di chuy\u1ec3n ngo\u00e0i tr\u1eddi.<\/li>\r\n<\/ul>\r\nM\u00e0ng l\u1ecdc t\u0129nh \u0111i\u1ec7n l\u00e0 th\u00e0nh ph\u1ea7n c\u00f3 ch\u1ee9c n\u0103ng quan tr\u1ecdng. Khi b\u1ecb \u1ea9m ho\u1eb7c gi\u1eb7t b\u1eb1ng n\u01b0\u1edbc, \u0111i\u1ec7n t\u00edch c\u1ee7a s\u1ee3i l\u1ecdc b\u1ecb m\u1ea5t \u0111i, khi\u1ebfn hi\u1ec7u qu\u1ea3 l\u1ecdc gi\u1ea3m m\u1ea1nh. V\u00ec v\u1eady, ng\u01b0\u1eddi d\u00f9ng kh\u00f4ng n\u00ean gi\u1eb7t kh\u1ea9u trang b\u1ea3o h\u1ed9 y t\u1ebf hay KF94 \u0111\u1ec3 t\u00e1i s\u1eed d\u1ee5ng.\r\n\r\nL\u1edbp trong- ti\u1ebfp x\u00fac tr\u1ef1c ti\u1ebfp da m\u1eb7t:\r\n\r\nL\u1edbp trong c\u00f9ng c\u1ee7a kh\u1ea9u trang b\u1ea3o h\u1ed9 l\u00e0 l\u1edbp ti\u1ebfp x\u00fac v\u1edbi da m\u1eb7t, v\u00ec v\u1eady y\u00eau c\u1ea7u ch\u1ea5t li\u1ec7u m\u1ecbn m\u00e0ng h\u1ea1n ch\u1ebf t\u00ecnh tr\u1ea1ng k\u00edch \u1ee9ng hay b\u00ed h\u01a1i khi \u0111eo l\u00e2u.\r\n<ul>\r\n \t<li aria-level=\"1\">Th\u00f4ng th\u01b0\u1eddng, l\u1edbp n\u00e0y l\u00e0m t\u1eeb v\u1ea3i kh\u00f4ng d\u1ec7t Spunbond ho\u1eb7c v\u1ea3i vi s\u1ee3i Microfiber, c\u00f3 kh\u1ea3 n\u0103ng h\u00fat \u1ea9m v\u00e0 m\u1ed3 h\u00f4i, gi\u1eef cho b\u1ec1 m\u1eb7t da kh\u00f4 tho\u00e1ng.<\/li>\r\n \t<li aria-level=\"1\">M\u1ed9t s\u1ed1 th\u01b0\u01a1ng hi\u1ec7u cao c\u1ea5p c\u00f2n ph\u1ee7 th\u00eam l\u1edbp kh\u00e1ng khu\u1ea9n nh\u1eb9 ho\u1eb7c l\u1edbp m\u00e0ng l\u1ee5a sinh h\u1ecdc, gi\u00fap ng\u0103n vi khu\u1ea9n.<\/li>\r\n \t<li aria-level=\"1\">\u1ede kh\u1ea9u trang \u0111\u1ea1t chu\u1ea9n ki\u1ec3u d\u00e1ng th\u1eddi trang cao c\u1ea5p, l\u1edbp n\u00e0y th\u01b0\u1eddng \u0111\u01b0\u1ee3c may tinh t\u1ebf, co gi\u00e3n t\u1ed1t v\u00e0 \u00f4m s\u00e1t m\u1eb7t m\u00e0 kh\u00f4ng \u0111\u1ec3 l\u1ea1i v\u1ebft h\u1eb1n.<\/li>\r\n<\/ul>\r\n\u0110\u1ecdng s\u01b0\u01a1ng tr\u00ean k\u00ednh l\u00e0 d\u1ea5u hi\u1ec7u ch\u1ea9n \u0111o\u00e1n ch\u1ee9 kh\u00f4ng ph\u1ea3i phi\u1ec1n to\u00e1i \u0111\u01a1n thu\u1ea7n: n\u00f3 cho bi\u1ebft m\u1ed9t ph\u1ea7n h\u01a1i th\u1edf \u0111ang \u0111i v\u00f2ng qua m\u00e9p tr\u00ean thay v\u00ec xuy\u00ean qua l\u1edbp l\u1ecdc. N\u1ebfu lu\u1ed3ng kh\u00ed \u0111\u00e3 tho\u00e1t ra \u0111\u01b0\u1ee3c \u1edf \u0111\u00f3 th\u00ec n\u00f3 c\u0169ng \u0111i v\u00e0o \u0111\u01b0\u1ee3c \u1edf \u0111\u00f3, mang theo m\u1ecdi th\u1ee9 m\u00e0 l\u1edbp l\u1ecdc l\u1ebd ra ph\u1ea3i ch\u1eb7n. K\u00ednh m\u1edd t\u1ee9c l\u00e0 kh\u1ea9u trang \u0111ang h\u1edf, d\u00f9 n\u00f3 thu\u1ed9c lo\u1ea1i n\u00e0o v\u00e0 ghi bao nhi\u00eau ph\u1ea7n tr\u0103m.\r\n\r\nC\u1ea5u tr\u00fac t\u1ed5ng th\u1ec3:\r\n\r\nM\u1ed9t chi\u1ebfc kh\u1ea9u trang \u0111\u1ea1t chu\u1ea9n qu\u1ed1c t\u1ebf kh\u00f4ng ch\u1ec9 d\u1ef1a v\u00e0o v\u1eadt li\u1ec7u, m\u00e0 c\u00f2n \u1edf c\u00e1ch s\u1eafp x\u1ebfp c\u00e1c l\u1edbp l\u1ecdc v\u00e0 k\u1ef9 thu\u1eadt \u00e9p nhi\u1ec7t ho\u1eb7c d\u00e1n si\u00eau \u00e2m \u0111\u1ec3 gi\u1eef form \u1ed5n \u0111\u1ecbnh.\r\n<ul>\r\n \t<li aria-level=\"1\">Ki\u1ec3u g\u1ea5p n\u1ebfp ngang: r\u1ebb nh\u1ea5t, g\u1ea5p ph\u1eb3ng \u0111\u01b0\u1ee3c n\u00ean ti\u1ec7n mang theo, nh\u01b0ng hai b\u00ean m\u00e1 lu\u00f4n c\u00f2n khe h\u1edf h\u00ecnh tam gi\u00e1c. \u0110\u00e2y l\u00e0 ki\u1ec3u \u0111\u1ec3 ch\u1eb7n gi\u1ecdt b\u1eafn \u0111i ra, kh\u00f4ng ph\u1ea3i \u0111\u1ec3 ch\u1eb7n b\u1ee5i m\u1ecbn \u0111i v\u00e0o.<\/li>\r\n \t<li aria-level=\"1\">Ki\u1ec3u g\u1ea5p ba c\u1ea1nh: t\u1ea1o khoang tr\u1ed1ng tr\u01b0\u1edbc mi\u1ec7ng n\u00ean \u0111\u1ee1 b\u00ed, m\u00e9p ch\u1ea1y d\u1ecdc s\u1ed1ng m\u0169i r\u1ed3i xu\u1ed1ng c\u1eb1m. K\u00edn h\u01a1n ki\u1ec3u g\u1ea5p n\u1ebfp ngang r\u00f5 r\u1ec7t, v\u1edbi \u0111i\u1ec1u ki\u1ec7n d\u00e2y tai c\u00f2n \u0111\u1ee7 c\u0103ng.<\/li>\r\n \t<li aria-level=\"1\">Ki\u1ec3u ch\u00e9n \u00fap c\u00f3 d\u00e2y v\u00f2ng qua \u0111\u1ea7u: hai d\u00e2y v\u00f2ng g\u00e1y v\u00e0 v\u00f2ng \u0111\u1ec9nh \u0111\u1ea7u \u00e9p \u0111\u1ec1u quanh vi\u1ec1n n\u00ean k\u00edn nh\u1ea5t, \u0111\u1ed5i l\u1ea1i ph\u1ea3i th\u00e1o m\u0169 khi \u0111eo v\u00e0 th\u00e1o ra kh\u00f3 h\u01a1n. \u0110\u00e2y l\u00e0 ki\u1ec3u b\u1eaft bu\u1ed9c khi m\u1ee5c ti\u00eau l\u00e0 b\u1ea3o v\u1ec7 ch\u00ednh ng\u01b0\u1eddi \u0111eo.<\/li>\r\n<\/ul>\r\nB\u00ean c\u1ea1nh \u0111\u00f3, m\u1ed9t s\u1ed1 lo\u1ea1i kh\u1ea9u trang \u0111\u1ea1t chu\u1ea9n hi\u1ec7n \u0111\u1ea1i c\u00f2n t\u00edch h\u1ee3p van th\u1edf m\u1ed9t chi\u1ec1u gi\u00fap ng\u01b0\u1eddi \u0111eo b\u1edbt n\u00f3ng v\u00e0 b\u1edbt h\u1ea5p h\u01a1i khi l\u00e0m vi\u1ec7c n\u1eb7ng. \u0110\u1ed5i l\u1ea1i, van x\u1ea3 th\u1eb3ng h\u01a1i th\u1edf ch\u01b0a l\u1ecdc ra ngo\u00e0i, n\u00ean lo\u1ea1i c\u00f3 van ch\u1ec9 b\u1ea3o v\u1ec7 ch\u00ednh ng\u01b0\u1eddi \u0111eo v\u00e0 kh\u00f4ng \u0111\u01b0\u1ee3c d\u00f9ng \u1edf n\u01a1i c\u1ea7n ch\u1eb7n ngu\u1ed3n l\u00e2y, trong ph\u00f2ng m\u1ed5 hay ph\u00f2ng s\u1ea1ch.\r\n\r\nC\u00e1c y\u1ebfu t\u1ed1 ph\u1ee5 tr\u1ee3:\r\n\r\nNgo\u00e0i c\u1ea5u tr\u00fac nhi\u1ec1u l\u1edbp, thi\u1ebft k\u1ebf v\u00e0 \u0111\u1ed9 \u00f4m s\u00e1t khu\u00f4n m\u1eb7t c\u0169ng quy\u1ebft \u0111\u1ecbnh hi\u1ec7u qu\u1ea3 b\u1ea3o v\u1ec7.\r\n<ul>\r\n \t<li aria-level=\"1\">Thanh k\u1eb9p m\u0169i (Nose Clip): gi\u00fap kh\u1ea9u trang b\u1ea3o h\u1ed9 \u00f4m kh\u00edt s\u1ed1ng m\u0169i, h\u1ea1n ch\u1ebf lu\u1ed3ng kh\u00ed r\u00f2 r\u1ec9.<\/li>\r\n \t<li aria-level=\"1\">D\u00e2y \u0111eo: n\u00ean l\u00e0m b\u1eb1ng ch\u1ea5t li\u1ec7u m\u1ec1m gi\u00fap kh\u00f4ng g\u00e2y \u0111au tai. c\u00f3 th\u1ec3 \u0111i\u1ec1u ch\u1ec9nh k\u00edch th\u01b0\u1edbc ho\u1eb7c v\u00f2ng qua \u0111\u1ea7u thay v\u00ec qua tai \u0111\u1ec3 t\u0103ng tho\u1ea3i m\u00e1i.<\/li>\r\n \t<li aria-level=\"1\">\u0110\u01b0\u1eddng may v\u00e0 n\u1ebfp g\u1ea5p: \u0111\u01b0\u1ee3c \u00e9p si\u00eau \u00e2m gi\u00fap gi\u1eef form, tr\u00e1nh bung ch\u1ec9, t\u1ea1o d\u00e1ng g\u1ecdn g\u00e0ng.<\/li>\r\n<\/ul>\r\n<h2><b>Kh\u1ea9u Trang Y T\u1ebf Nhi\u1ec1u L\u1edbp D\u00f9ng H\u1eb1ng Ng\u00e0y<\/b><\/h2>\r\n<h3><b>\u0110\u1eb7c \u0110i\u1ec3m, \u01afu \u0110i\u1ec3m V\u00e0 Khi N\u00e0o N\u00ean S\u1eed D\u1ee5ng<\/b><\/h3>\r\n<a href=\"https:\/\/www.baohoxanh.com\/khau-trang\"><b>Kh\u1ea9u trang \u0111\u1ea1t chu\u1ea9n y t\u1ebf<\/b><\/a> l\u00e0 lo\u1ea1i \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng nhi\u1ec1u nh\u1ea5t, t\u1eeb \u0111\u1eddi s\u1ed1ng h\u00e0ng ng\u00e0y \u0111\u1ebfn nh\u1eefng n\u01a1i c\u00f3 nhi\u1ec1u ngu\u1ed3n b\u1ec7nh nh\u01b0 b\u1ec7nh vi\u1ec7n. S\u1ea3n ph\u1ea9m n\u00e0y \u0111\u01b0\u1ee3c l\u00e0m t\u1eeb v\u1eadt li\u1ec7u Polypropylene (PP) \u2013 m\u1ed9t lo\u1ea1i v\u1eadt li\u1ec7u t\u1ed5ng h\u1ee3p c\u00f3 \u0111\u1eb7c t\u00ednh nh\u1eb9, tho\u00e1ng kh\u00ed, ch\u1ed1ng th\u1ea5m v\u00e0 tr\u00e1nh g\u00e2y k\u00edch \u1ee9ng da.\r\n\r\n<figure class=\"wp-block-image aligncenter\"><img decoding=\"async\" loading=\"lazy\" class=\"wp-image-75533 size-full\" src=\"https:\/\/www.baohoxanh.com\/blog\/wp-content\/uploads\/2025\/10\/khau-trang-dat-chuan-bao-ve-suc-khoe.jpg\" alt=\"Kh\u1ea9u Trang \u0110\u1ea1t Chu\u1ea9n B\u1ea3o V\u1ec7 S\u1ee9c Kho\u1ebb\" width=\"600\" height=\"600\" title=\"\" srcset=\"https:\/\/www.baohoxanh.com\/blog\/wp-content\/uploads\/2025\/10\/khau-trang-dat-chuan-bao-ve-suc-khoe.jpg 600w, https:\/\/www.baohoxanh.com\/blog\/wp-content\/uploads\/2025\/10\/khau-trang-dat-chuan-bao-ve-suc-khoe-300x300.jpg 300w, https:\/\/www.baohoxanh.com\/blog\/wp-content\/uploads\/2025\/10\/khau-trang-dat-chuan-bao-ve-suc-khoe-150x150.jpg 150w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><figcaption class=\"wp-element-caption\">Kh\u1ea9u Trang \u0110\u1ea1t Chu\u1ea9n An To\u00e0n S\u1ee9c Kh\u1ecfe \u0110\u01b0\u1ee3c Nhi\u1ec1u Chuy\u00ean Gia Khuy\u1ebfn Ngh\u1ecb S\u1eed D\u1ee5ng Nh\u1edd Hi\u1ec7u Qu\u1ea3 L\u1ecdc B\u1ee5i V\u00e0 Vi Khu\u1ea9n \u0110\u1ebfn 99 Ph\u1ea7n Tr\u0103m Gi\u00fap B\u1ea3o V\u1ec7 H\u1ec7 H\u00f4 H\u1ea5p Tr\u01b0\u1edbc Kh\u00f4ng Kh\u00ed \u00d4 Nhi\u1ec5m V\u00e0 Kh\u00f3i B\u1ee5i Th\u00e0nh Ph\u1ed1 L\u00e0 S\u1ef1 L\u1ef1a Ch\u1ecdn Ho\u00e0n H\u1ea3o Cho C\u1ea3 Ng\u01b0\u1eddi L\u1edbn V\u00e0 Tr\u1ebb Nh\u1ecf.<\/figcaption><\/figure>\r\n\r\nKh\u1ea9u trang \u0111\u1ea1t chu\u1ea9n y t\u1ebf th\u01b0\u1eddng c\u00f3 c\u1ea5u tr\u00fac 3 ho\u1eb7c 4 l\u1edbp b\u1ea3o v\u1ec7, \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf theo d\u1ea1ng g\u1ea5p n\u1ebfp ngang v\u1eabn khi\u1ebfn d\u1ec5 ch\u1ecbu khi \u0111eo l\u00e2u. Nh\u1edd m\u00e0ng l\u1ecdc t\u0129nh \u0111i\u1ec7n Melt-blown \u1edf gi\u1eefa, kh\u1ea9u trang y t\u1ebf \u0111\u1ea1t hi\u1ec7u qu\u1ea3 l\u1ecdc khu\u1ea9n cao theo ph\u00e9p th\u1eed BFE v\u00e0 ch\u1eb7n t\u1ed1t gi\u1ecdt b\u1eafn ch\u1ee9a virus. C\u1ea7n ph\u00e2n bi\u1ec7t r\u00f5: con s\u1ed1 l\u1ecdc khu\u1ea9n \u1ea5y \u0111o tr\u00ean h\u1ea1t mang vi khu\u1ea9n c\u1ee1 3 micron, kh\u00f4ng ph\u1ea3i ph\u00e9p th\u1eed cho b\u1ee5i m\u1ecbn PM2.5. Kh\u1ea9u trang y t\u1ebf c\u0169ng kh\u00f4ng \u00f4m kh\u00edt m\u1eb7t n\u00ean lu\u00f4n c\u00f3 lu\u1ed3ng kh\u00ed l\u1ecdt qua m\u00e9p; mu\u1ed1n ch\u1eb7n b\u1ee5i m\u1ecbn ph\u1ea3i d\u00f9ng kh\u1ea9u trang l\u1ecdc b\u1ee5i N95, KN95 ho\u1eb7c KF94.\r\n\r\n\u01afu \u0111i\u1ec3m l\u1edbn nh\u1ea5t c\u1ee7a d\u00f2ng kh\u1ea9u trang y t\u1ebf l\u00e0 gi\u00e1 r\u1ebb \u0111\u1ee7 \u0111\u1ec3 thay m\u1edbi m\u1ed7i l\u1ea7n, v\u00e0 ch\u00ednh vi\u1ec7c thay m\u1edbi m\u1edbi l\u00e0 \u0111i\u1ec1u l\u00e0m n\u00ean t\u00e1c d\u1ee5ng c\u1ee7a n\u00f3. M\u1ed9t chi\u1ebfc kh\u1ea9u trang y t\u1ebf \u0111eo sang ng\u00e0y th\u1ee9 hai \u0111\u00e3 \u1ea9m v\u00e0 \u0111\u00e3 b\u00e1m th\u1ee9 n\u00f3 ch\u1eb7n \u0111\u01b0\u1ee3c \u1edf m\u1eb7t ngo\u00e0i; l\u00fac \u0111\u00f3 n\u00f3 v\u1eeba m\u1ea5t kh\u1ea3 n\u0103ng l\u1ecdc v\u1eeba tr\u1edf th\u00e0nh ngu\u1ed3n nhi\u1ec5m n\u1ebfu ng\u01b0\u1eddi \u0111eo s\u1edd v\u00e0o r\u1ed3i \u0111\u01b0a tay l\u00ean m\u1eb7t.\r\n\r\nKh\u1ea9u trang \u0111\u1ea1t chu\u1ea9n y t\u1ebf \u0111\u1eb7c bi\u1ec7t th\u00edch h\u1ee3p:\r\n<ul>\r\n \t<li aria-level=\"1\">Trong m\u00f4i tr\u01b0\u1eddng \u0111\u00f4ng ng\u01b0\u1eddi<\/li>\r\n \t<li aria-level=\"1\">Khi c\u00f3 d\u1ecbch b\u1ec7nh h\u00f4 h\u1ea5p lan r\u1ed9ng.<\/li>\r\n \t<li aria-level=\"1\">Khi c\u1ea7n b\u1ea3o v\u1ec7 ng\u01b0\u1eddi kh\u00e1c.<\/li>\r\n<\/ul>\r\nTuy nhi\u00ean, ng\u01b0\u1eddi d\u00f9ng c\u1ea7n nh\u1edb r\u1eb1ng kh\u1ea9u trang b\u1ea3o h\u1ed9 y t\u1ebf kh\u00f4ng n\u00ean t\u00e1i s\u1eed d\u1ee5ng. Sau 4\u20136 ti\u1ebfng \u0111eo li\u00ean t\u1ee5c, m\u00e0ng l\u1ecdc b\u00ean trong s\u1ebd h\u1ea5p th\u1ee5 h\u01a1i \u1ea9m v\u00e0 gi\u1ea3m hi\u1ec7u qu\u1ea3 ng\u0103n vi khu\u1ea9n. Khi kh\u1ea9u trang b\u1ecb \u1ea9m ho\u1eb7c d\u00ednh b\u1ea9n, c\u1ea7n lo\u1ea1i b\u1ecf ngay v\u00e0 thay m\u1edbi. Vi\u1ec7c t\u00e1i s\u1eed d\u1ee5ng s\u1ebd l\u00e0 m\u1ea7m m\u1ed1ng c\u1ee7a nhi\u1ec1u c\u0103n b\u1ec7nh v\u00e0 k\u00edch \u1ee9ng da .\r\n<h3><b>C\u1ea5u T\u1ea1o Chu\u1ea9n C\u1ee7a Kh\u1ea9u Trang B\u1ea3o H\u1ed9 Nhi\u1ec1u L\u1edbp<\/b><\/h3>\r\nThi\u1ebft k\u1ebf c\u1ee7a kh\u1ea9u trang \u0111\u1ea1t chu\u1ea9n y t\u1ebf \u0111\u1ea1t chu\u1ea9n \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf tinh g\u1ecdn, v\u1edbi t\u1eebng l\u1edbp c\u00f3 ch\u1ee9c n\u0103ng kh\u00e1c nhau trong vi\u1ec7c ng\u0103n ng\u1eeba vi khu\u1ea9n, b\u1ee5i v\u00e0 ch\u1ea5t \u0111\u1ed9c h\u1ea1i.\r\n\r\nM\u1ed9t chi\u1ebfc kh\u1ea9u trang \u0111\u1ea1t chu\u1ea9n y t\u1ebf 3 l\u1edbp g\u1ed3m :\r\n<ul>\r\n \t<li aria-level=\"1\">L\u1edbp Ngo\u00e0i (Kh\u00e1ng N\u01b0\u1edbc):\r\n\u0110\u00e2y l\u00e0 l\u1edbp v\u1ea3i c\u00f3 kh\u1ea3 n\u0103ng kh\u00e1ng n\u01b0\u1edbc v\u00e0 ng\u0103n gi\u1ecdt b\u1eafn t\u1eeb m\u00f4i tr\u01b0\u1eddng b\u00ean ngo\u00e0i. Khi ng\u01b0\u1eddi \u0111\u1ed1i di\u1ec7n ho, h\u1eaft h\u01a1i ho\u1eb7c n\u00f3i chuy\u1ec7n, c\u00e1c h\u1ea1t n\u01b0\u1edbc li ti ch\u1ee9a vi khu\u1ea9n s\u1ebd b\u1ecb l\u1edbp n\u00e0y ch\u1eb7n l\u1ea1i. Nh\u1edd \u0111\u00f3, l\u1edbp l\u1ecdc b\u00ean trong lu\u00f4n \u0111\u01b0\u1ee3c gi\u1eef kh\u00f4 r\u00e1o, duy tr\u00ec hi\u1ec7u qu\u1ea3 l\u1ecdc t\u1ed1i \u01b0u.<\/li>\r\n \t<li aria-level=\"1\">L\u1edbp Gi\u1eefa (L\u1ecdc T\u0129nh \u0110i\u1ec7n \u2013 Melt-Blown):\r\nL\u1edbp n\u00e0y l\u00e0 tr\u00e1i tim c\u1ee7a kh\u1ea9u trang y t\u1ebf, \u0111\u01b0\u1ee3c l\u00e0m t\u1eeb s\u1ee3i nh\u1ef1a Polypropylene si\u00eau m\u1ea3nh, c\u00f3 kh\u1ea3 n\u0103ng t\u1ea1o \u0111i\u1ec7n t\u00edch \u00e2m \u0111\u1ec3 h\u00fat v\u00e0 gi\u1eef l\u1ea1i c\u00e1c t\u1ea1p ch\u1ea5t b\u00ean ngo\u00e0i. Nh\u1edd c\u01a1 ch\u1ebf t\u0129nh \u0111i\u1ec7n, l\u1edbp meltblown gi\u1eef l\u1ea1i ph\u1ea7n l\u1edbn h\u1ea1t mang vi khu\u1ea9n m\u00e0 kh\u00f4ng c\u1ea7n d\u1ec7t qu\u00e1 ch\u1eb7t, n\u00ean v\u1eabn th\u1edf qua \u0111\u01b0\u1ee3c. Con s\u1ed1 ph\u1ea7n tr\u0103m ghi tr\u00ean h\u1ed9p l\u00e0 hi\u1ec7u su\u1ea5t \u0111o tr\u00ean m\u1eabu v\u1ea3i ph\u1eb3ng trong ph\u00f2ng th\u00ed nghi\u1ec7m, ch\u01b0a t\u00ednh ph\u1ea7n kh\u00ed l\u1ecdt qua khe h\u1edf hai b\u00ean m\u00e1. Ch\u00ednh v\u00ec d\u1ef1a v\u00e0o \u0111i\u1ec7n t\u00edch ch\u1ee9 kh\u00f4ng d\u1ef1a v\u00e0o \u0111\u1ed9 d\u00e0y, l\u1edbp n\u00e0y m\u1ea5t t\u00e1c d\u1ee5ng khi g\u1eb7p \u1ea9m ho\u1eb7c g\u1eb7p dung m\u00f4i m\u00e0 b\u1ec1 ngo\u00e0i kh\u00f4ng \u0111\u1ed5i ch\u00fat n\u00e0o.<\/li>\r\n \t<li aria-level=\"1\">L\u1edbp Trong (Th\u1ea5m H\u00fat, B\u1ea3o V\u1ec7 Da):\r\nV\u1ea3i l\u00e0m t\u1eeb ch\u1ea5t li\u1ec7u m\u1ecbn m\u00e0ng, th\u1ea5m h\u00fat t\u1ed1t \u0111\u1ec3 h\u1ea5p thu h\u01a1i \u1ea9m, m\u1ed3 h\u00f4i v\u00e0 h\u01a1i th\u1edf. L\u1edbp n\u00e0y gi\u00fap gi\u1eef kh\u00f4 r\u00e1o v\u00f9ng mi\u1ec7ng \u2013 m\u0169i.<\/li>\r\n<\/ul>\r\n\u0110\u1ed1i v\u1edbi kh\u1ea9u trang \u0111\u1ea1t chu\u1ea9n 4 l\u1edbp, c\u1ea5u tr\u00fac \u0111\u01b0\u1ee3c t\u0103ng c\u01b0\u1eddng th\u00eam m\u1ed9t l\u1edbp \u0111\u1eb7c bi\u1ec7t \u1edf gi\u1eefa, th\u01b0\u1eddng l\u00e0 l\u1edbp than ho\u1ea1t t\u00ednh ho\u1eb7c l\u1edbp l\u1ecdc k\u00e9p, gi\u00fap h\u1ea5p th\u1ee5 m\u00f9i h\u00f4i, kh\u00f3i thu\u1ed1c, h\u01a1i h\u00f3a ch\u1ea5t nh\u1eb9 v\u00e0 c\u00e1c kh\u00ed \u0111\u1ed9c trong m\u00f4i tr\u01b0\u1eddng \u0111\u00f4 th\u1ecb ho\u1eb7c nh\u00e0 m\u00e1y..\r\n\r\nNgo\u00e0i ra, kh\u1ea9u trang \u0111\u1ea1t chu\u1ea9n y t\u1ebf c\u00f2n ph\u1ea3i c\u00f3:\r\n<ul>\r\n \t<li aria-level=\"1\">Thanh n\u1eb9p m\u0169i kim lo\u1ea1i d\u1ebbo: Gi\u00fap \u00f4m s\u00e1t v\u00f9ng s\u1ed1ng m\u0169i, h\u1ea1n ch\u1ebf khe h\u1edf, ng\u0103n kh\u00f4ng kh\u00ed l\u1ecdt v\u00e0o.<\/li>\r\n \t<li aria-level=\"1\">D\u00e2y \u0111eo co gi\u00e3n \u00eam \u00e1i: Gi\u00fap \u0111eo l\u00e2u kh\u00f4ng \u0111au tai, kh\u00f4ng \u0111\u1ec3 l\u1ea1i v\u1ebft h\u1eb1n.<\/li>\r\n \t<li aria-level=\"1\">C\u00e1ch h\u00e0n m\u00e9p v\u00e0 c\u00e1ch g\u1eafn d\u00e2y: d\u00e2y h\u00e0n si\u00eau \u00e2m v\u00e0o th\u00e2n b\u00e1m ch\u1eafc h\u01a1n d\u00e2y b\u1ea5m ghim, v\u00e0 ghim kim lo\u1ea1i c\u00f2n l\u00e0 chi ti\u1ebft c\u1ea5m \u1edf khu v\u1ef1c ch\u1ebf bi\u1ebfn th\u1ef1c ph\u1ea9m v\u00ec nguy c\u01a1 r\u01a1i v\u00e0o s\u1ea3n ph\u1ea9m.<\/li>\r\n<\/ul>\r\n<h2><b>Kh\u1ea9u Trang B\u1ea3o H\u1ed9 KF94, KN95 V\u00e0 N95<\/b><\/h2>\r\n<h3><b>\u0110\u1eb7c T\u00ednh K\u1ef9 Thu\u1eadt N\u1ed5i B\u1eadt<\/b><\/h3>\r\nBa m\u00e3 N95, KN95 v\u00e0 KF94 thu\u1ed9c ba h\u1ec7 ch\u1ee9ng nh\u1eadn c\u1ee7a ba n\u01b0\u1edbc, v\u00e0 \u0111i\u1ec3m kh\u00e1c nhau l\u1edbn nh\u1ea5t kh\u00f4ng n\u1eb1m \u1edf ng\u01b0\u1ee1ng ph\u1ea7n tr\u0103m m\u00e0 \u1edf ph\u00e9p th\u1eed r\u00f2 qua m\u00e9p. H\u1ec7 n\u00e0y b\u1eaft bu\u1ed9c \u0111o t\u1ed5ng l\u01b0\u1ee3ng r\u00f2 v\u00e0o b\u00ean trong khi ng\u01b0\u1eddi th\u1eadt \u0111eo v\u00e0 c\u1eed \u0111\u1ed9ng, h\u1ec7 kia ch\u1ec9 \u0111o tr\u00ean m\u1eabu v\u1ea3i. V\u00ec v\u1eady hai chi\u1ebfc c\u00f9ng ghi 95% c\u00f3 th\u1ec3 cho hai m\u1ee9c b\u1ea3o v\u1ec7 th\u1ef1c t\u1ebf r\u1ea5t kh\u00e1c nhau khi \u0111eo l\u00ean m\u1eb7t.\r\n\r\nM\u1ed7i ti\u00eau chu\u1ea9n c\u1ee7a t\u1eebng qu\u1ed1c gia \u0111\u1ec1u c\u00f3 quy \u0111\u1ecbnh nghi\u00eam ng\u1eb7t ri\u00eang trong c\u00e1c m\u00f4i tr\u01b0\u1eddng kh\u00e1c nhau:\r\n<ul>\r\n \t<li aria-level=\"1\">N95 (M\u1ef9): Lo\u1ea1i n\u00e0y c\u00f3 hi\u1ec7u qu\u1ea3 l\u1ecdc \u0111\u1ea1t \u2265 95% \u0111\u1ed1i v\u1edbi c\u00e1c h\u1ea1t kh\u00f4ng d\u1ea7u, th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng nhi\u1ec1u \u1edf c\u00e1c b\u1ec7nh vi\u1ec7n, c\u00f4ng nghi\u1ec7p, v\u00e0 c\u00e1c m\u00f4i tr\u01b0\u1eddng c\u00f3 nguy c\u01a1 nhi\u1ec5m khu\u1ea9n cao. N95 n\u1ed5i b\u1eadt v\u1edbi thi\u1ebft k\u1ebf kh\u00edt m\u1eb7t v\u00e0 kh\u1ea3 n\u0103ng b\u1ea3o v\u1ec7 \u1ed5n \u0111\u1ecbnh ngay c\u1ea3 khi \u0111eo l\u00e2u.\r\n<\/li>\r\n \t<li aria-level=\"1\">KN95 (Trung Qu\u1ed1c): Ng\u01b0\u1ee1ng l\u1ecdc h\u1ea1t c\u0169ng \u0111\u1eb7t \u1edf 95%, nh\u01b0ng \u0111\u00e2y l\u00e0 hai ti\u00eau chu\u1ea9n ri\u00eang v\u1edbi quy tr\u00ecnh ch\u1ee9ng nh\u1eadn kh\u00e1c nhau, kh\u00f4ng ph\u1ea3i b\u1ea3ng quy \u0111\u1ed5i ngang; KN95 kh\u00f4ng mang tem ph\u00ea duy\u1ec7t NIOSH. KN95 \u0111\u01b0\u1ee3c \u01b0a chu\u1ed9ng nh\u1edd \u0111\u1ed9 \u00f4m s\u00e1t khu\u00f4n m\u1eb7t t\u1ef1 nhi\u00ean, gi\u00fap gi\u1ea3m khe h\u1edf \u1edf m\u0169i v\u00e0 c\u1eb1m, t\u0103ng kh\u1ea3 n\u0103ng ng\u0103n ch\u1eb7n gi\u1ecdt b\u1eafn hi\u1ec7u qu\u1ea3.\r\n<\/li>\r\n \t<li aria-level=\"1\">KF94 (H\u00e0n Qu\u1ed1c): L\u00e0 phi\u00ean b\u1ea3n \u201cd\u00e2n d\u1ee5ng\u201d \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf nh\u1eb9, m\u1ec1m v\u00e0 c\u00f3 \u0111\u1ed9 tho\u00e1ng kh\u00ed v\u01b0\u1ee3t tr\u1ed9i, ph\u00f9 h\u1ee3p s\u1eed d\u1ee5ng th\u01b0\u1eddng xuy\u00ean ng\u00e0y th\u01b0\u1eddng. V\u1edbi ti\u00eau chu\u1ea9n KF94, s\u1ea3n ph\u1ea9m \u0111\u1ea1t hi\u1ec7u qu\u1ea3 l\u1ecdc \u0111\u1ebfn 94%, \u0111\u1ed3ng th\u1eddi gi\u1eef c\u1ea3m gi\u00e1c d\u1ec5 ch\u1ecbu, kh\u00f4ng g\u00e2y b\u00ed h\u01a1i.<\/li>\r\n<\/ul>\r\nV\u1edbi c\u1ea3 ba m\u00e3, r\u00e2u quai n\u00f3n l\u00e0 y\u1ebfu t\u1ed1 lo\u1ea1i tr\u1eeb ch\u1ee9 kh\u00f4ng ph\u1ea3i y\u1ebfu t\u1ed1 c\u1ea7n l\u01b0u \u00fd: ch\u1ec9 v\u00e0i ng\u00e0y kh\u00f4ng c\u1ea1o l\u00e0 s\u1ee3i r\u00e2u \u0111\u00e3 chen gi\u1eefa vi\u1ec1n kh\u1ea9u trang v\u00e0 da, t\u1ea1o h\u00e0ng lo\u1ea1t khe r\u00f2 nh\u1ecf m\u00e0 kh\u00f4ng ph\u00e9p si\u1ebft d\u00e2y n\u00e0o b\u00f9 \u0111\u01b0\u1ee3c. N\u01a1i b\u1eaft bu\u1ed9c d\u00f9ng kh\u1ea9u trang l\u1ecdc b\u1ee5i ph\u1ea3i \u0111\u01b0a vi\u1ec7c n\u00e0y v\u00e0o n\u1ed9i quy, ho\u1eb7c chuy\u1ec3n sang lo\u1ea1i tr\u00f9m \u0111\u1ea7u c\u1ea5p kh\u00ed cho ng\u01b0\u1eddi kh\u00f4ng c\u1ea1o r\u00e2u \u0111\u01b0\u1ee3c v\u00ec l\u00fd do t\u00f4n gi\u00e1o hay da li\u1ec5u.\r\n<h3><b>\u01afu \u0110i\u1ec3m So V\u1edbi Kh\u1ea9u Trang Th\u01b0\u1eddng<\/b><\/h3>\r\nKh\u00e1c bi\u1ec7t th\u1ef1c s\u1ef1 gi\u1eefa nh\u00f3m l\u1ecdc b\u1ee5i v\u00e0 kh\u1ea9u trang y t\u1ebf n\u1eb1m \u1edf ch\u1ed7 nh\u00f3m l\u1ecdc b\u1ee5i \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf v\u00e0 th\u1eed \u0111\u1ec3 \u00f4m kh\u00edt khu\u00f4n m\u1eb7t, c\u00f2n kh\u1ea9u trang y t\u1ebf th\u00ec kh\u00f4ng.\r\n\r\nK\u00fd hi\u1ec7u PM2.5 ch\u1ec9 nh\u00f3m h\u1ea1t c\u00f3 \u0111\u01b0\u1eddng k\u00ednh t\u1eeb 2,5 micromet tr\u1edf xu\u1ed1ng, t\u1ee9c n\u00f3 bao g\u1ed3m c\u1ea3 nh\u00f3m quanh 0,3 micromet v\u1ed1n kh\u00f3 l\u1ecdc nh\u1ea5t. N\u00f3i m\u1ed9t chi\u1ebfc kh\u1ea9u trang l\u1ecdc \u0111\u01b0\u1ee3c PM2.5 m\u00e0 kh\u00f4ng k\u00e8m con s\u1ed1 v\u00e0 ph\u00e9p th\u1eed th\u00ec ch\u01b0a n\u00f3i l\u00ean \u0111i\u1ec1u g\u00ec, v\u00ec ch\u1eb7n h\u1ea1t 2,5 micromet d\u1ec5 h\u01a1n h\u1eb3n ch\u1eb7n h\u1ea1t 0,3 micromet. Con s\u1ed1 c\u1ea7n t\u00ecm v\u1eabn l\u00e0 ng\u01b0\u1ee1ng ph\u1ea7n tr\u0103m \u1ee9ng v\u1edbi ph\u00e9p th\u1eed \u0111\u00e3 c\u00f4ng b\u1ed1.\r\n\r\nTh\u1ee9 hai, th\u00e2n kh\u1ea9u trang gi\u1eef \u0111\u01b0\u1ee3c form n\u00ean kh\u00f4ng d\u00ednh v\u00e0o m\u00f4i khi h\u00edt v\u00e0o \u2014 \u0111i\u1ec1u m\u00e0 kh\u1ea9u trang g\u1ea5p n\u1ebfp m\u1ecfng kh\u00f4ng l\u00e0m \u0111\u01b0\u1ee3c. \u0110\u00e2y kh\u00f4ng ch\u1ec9 l\u00e0 chuy\u1ec7n d\u1ec5 ch\u1ecbu: v\u1ea3i \u00e1p v\u00e0o mi\u1ec7ng s\u1ebd \u1ea9m r\u1ea5t nhanh v\u00ec h\u01a1i th\u1edf ng\u01b0ng t\u1ee5 ngay t\u1ea1i \u0111\u00f3, v\u00e0 l\u1edbp l\u1ecdc \u1ea9m l\u00e0 l\u1edbp l\u1ecdc \u0111\u00e3 m\u1ea5t ph\u1ea7n l\u1edbn \u0111i\u1ec7n t\u00edch.\r\n\r\nV\u1ec1 d\u00e2y \u0111eo, c\u1ea7n bi\u1ebft l\u00e0 d\u00e2y v\u00f2ng tai v\u00e0 d\u00e2y v\u00f2ng \u0111\u1ea7u cho hai m\u1ee9c k\u00edn kh\u00e1c nhau ch\u1ee9 kh\u00f4ng ph\u1ea3i hai l\u1ef1a ch\u1ecdn ngang nhau. D\u00e2y v\u00f2ng tai k\u00e9o kh\u1ea9u trang theo ph\u01b0\u01a1ng ngang n\u00ean \u00e9p \u0111\u01b0\u1ee3c hai b\u00ean m\u00e1 nh\u01b0ng g\u1ea7n nh\u01b0 kh\u00f4ng \u00e9p \u0111\u01b0\u1ee3c ph\u1ea7n c\u1eb1m; d\u00e2y v\u00f2ng qua g\u00e1y v\u00e0 qua \u0111\u1ec9nh \u0111\u1ea7u k\u00e9o theo c\u1ea3 ph\u01b0\u01a1ng d\u1ecdc n\u00ean \u00e9p \u0111\u1ec1u quanh vi\u1ec1n. \u0110\u00f3 l\u00e0 l\u00fd do kh\u1ea9u trang l\u1ecdc b\u1ee5i \u0111\u01b0\u1ee3c ch\u1ee9ng nh\u1eadn \u1edf m\u1ee9c cao h\u1ea7u nh\u01b0 \u0111\u1ec1u d\u00f9ng d\u00e2y v\u00f2ng \u0111\u1ea7u.\r\n\r\nKh\u1ea9u trang l\u1ecdc b\u1ee5i N95, KN95 hay KF94 l\u00e0 h\u00e0ng d\u00f9ng m\u1ed9t l\u1ea7n. Kh\u00f4ng c\u00f3 c\u00e1ch kh\u1eed khu\u1ea9n t\u1ea1i ch\u1ed7 n\u00e0o ph\u1ee5c h\u1ed3i \u0111\u01b0\u1ee3c \u0111i\u1ec7n t\u00edch c\u1ee7a l\u1edbp meltblown, n\u00ean khi kh\u1ea9u trang \u0111\u00e3 \u1ea9m, d\u00ednh b\u1ea9n, bi\u1ebfn d\u1ea1ng ho\u1eb7c kh\u00f4ng c\u00f2n \u00f4m kh\u00edt th\u00ec ph\u1ea3i lo\u1ea1i b\u1ecf thay v\u00ec x\u1eed l\u00fd \u0111\u1ec3 \u0111eo ti\u1ebfp. \r\n\r\nV\u1ec1 th\u1eddi gian \u0111eo, m\u1ed1c th\u1ef1c t\u1ebf kh\u00f4ng ph\u1ea3i s\u1ed1 gi\u1edd ghi tr\u00ean bao b\u00ec m\u00e0 l\u00e0 l\u00fac th\u1ea5y kh\u00f3 th\u1edf t\u0103ng l\u00ean ho\u1eb7c th\u1ea5y kh\u1ea9u trang \u0111\u00e3 \u1ea9m \u1edf m\u1eb7t trong. \u1ede n\u01a1i nhi\u1ec1u b\u1ee5i, l\u1edbp l\u1ecdc b\u00edt l\u1ea1i nhanh h\u01a1n h\u1eb3n n\u01a1i s\u1ea1ch, n\u00ean c\u00f9ng m\u1ed9t m\u00e3 c\u00f3 th\u1ec3 d\u00f9ng c\u1ea3 ca \u1edf v\u0103n ph\u00f2ng nh\u01b0ng ch\u1ec9 \u0111\u01b0\u1ee3c v\u00e0i gi\u1edd trong x\u01b0\u1edfng g\u1ed7.\r\n<h2><b>Kh\u1ea9u Trang Than Ho\u1ea1t T\u00ednh V\u00e0 Kh\u1ea9u Trang Th\u1eddi Trang Chuy\u00ean Bi\u1ec7t<\/b><\/h2>\r\n<h3><b>C\u1ea5u T\u1ea1o V\u00e0 C\u01a1 Ch\u1ebf L\u1ecdc B\u1ee5i<\/b><\/h3>\r\nKh\u1ea9u trang than ho\u1ea1t t\u00ednh gh\u00e9p hai c\u01a1 ch\u1ebf v\u00e0o m\u1ed9t s\u1ea3n ph\u1ea9m: l\u1edbp meltblown gi\u1eef h\u1ea1t, l\u1edbp than gi\u1eef ph\u00e2n t\u1eed kh\u00ed. C\u1ea5u t\u1ea1o th\u01b0\u1eddng g\u1ed3m 4\u20135 l\u1edbp, trong \u0111\u00f3 l\u1edbp than ho\u1ea1t t\u00ednh l\u00e0 ph\u1ea7n l\u00e0m n\u00ean kh\u00e1c bi\u1ec7t so v\u1edbi kh\u1ea9u trang th\u01b0\u1eddng, c\u00f3 nhi\u1ec7m v\u1ee5 h\u1ea5p ph\u1ee5 h\u01a1i dung m\u00f4i, kh\u00f3i xe v\u00e0 m\u00f9i h\u00f4i trong kh\u00f4ng kh\u00ed. C\u1ea7n hi\u1ec3u \u0111\u00fang c\u01a1 ch\u1ebf: than ho\u1ea1t t\u00ednh gi\u1eef ph\u00e2n t\u1eed l\u1ea1i tr\u00ean b\u1ec1 m\u1eb7t mao qu\u1ea3n ch\u1ee9 kh\u00f4ng bi\u1ebfn kh\u00ed \u0111\u1ed9c th\u00e0nh kh\u00ed s\u1ea1ch, n\u00ean n\u00f3 b\u00e3o ho\u00e0 d\u1ea7n v\u00e0 ng\u1eebng c\u00f3 t\u00e1c d\u1ee5ng m\u00e0 ng\u01b0\u1eddi \u0111eo kh\u00f4ng nh\u1eadn ra b\u1eb1ng c\u1ea3m gi\u00e1c.\r\n\r\n\u0110i\u1ec3m c\u1ea7n bi\u1ebft v\u1ec1 l\u1edbp than trong kh\u1ea9u trang d\u00e2n d\u1ee5ng: n\u00f3 r\u1ea5t m\u1ecfng so v\u1edbi l\u1edbp than trong m\u1ed9t phin l\u1ecdc c\u00f4ng nghi\u1ec7p, n\u00ean dung l\u01b0\u1ee3ng h\u1ea5p ph\u1ee5 c\u0169ng nh\u1ecf t\u01b0\u01a1ng \u1ee9ng v\u00e0 n\u00f3 b\u00e3o ho\u00e0 trong v\u00e0i ng\u00e0y \u0111i \u0111\u01b0\u1eddng ch\u1ee9 kh\u00f4ng ph\u1ea3i v\u00e0i th\u00e1ng. Sau khi b\u00e3o ho\u00e0, chi\u1ebfc kh\u1ea9u trang v\u1eabn c\u00f2n t\u00e1c d\u1ee5ng l\u1ecdc b\u1ee5i nh\u01b0ng kh\u00f4ng c\u00f2n kh\u1eed m\u00f9i v\u00e0 kh\u00f4ng c\u00f2n gi\u1eef h\u01a1i h\u1eefu c\u01a1 n\u1eefa \u2014 m\u00e0 ng\u01b0\u1eddi \u0111eo ch\u1ec9 nh\u1eadn ra khi m\u00f9i x\u0103ng d\u1ea7u quay l\u1ea1i r\u00f5 r\u1ec7t.\r\n\r\n<figure class=\"wp-block-image aligncenter\"><img decoding=\"async\" loading=\"lazy\" class=\"wp-image-75534 size-full\" src=\"https:\/\/www.baohoxanh.com\/blog\/wp-content\/uploads\/2025\/10\/khau-trang-dat-chuan-gia-tot.jpg\" alt=\"Kh\u1ea9u Trang \u0110\u1ea1t Chu\u1ea7n Gi\u00e1 T\u1ed1t\" width=\"600\" height=\"600\" title=\"\" srcset=\"https:\/\/www.baohoxanh.com\/blog\/wp-content\/uploads\/2025\/10\/khau-trang-dat-chuan-gia-tot.jpg 600w, https:\/\/www.baohoxanh.com\/blog\/wp-content\/uploads\/2025\/10\/khau-trang-dat-chuan-gia-tot-300x300.jpg 300w, https:\/\/www.baohoxanh.com\/blog\/wp-content\/uploads\/2025\/10\/khau-trang-dat-chuan-gia-tot-150x150.jpg 150w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><figcaption class=\"wp-element-caption\">L\u1edbp than trong kh\u1ea9u trang d\u00e2n d\u1ee5ng m\u1ecfng h\u01a1n nhi\u1ec1u so v\u1edbi phin l\u1ecdc c\u00f4ng nghi\u1ec7p, n\u00ean n\u00f3 b\u00e3o ho\u00e0 sau v\u00e0i ng\u00e0y \u0111i \u0111\u01b0\u1eddng.<\/figcaption><\/figure>\r\n\r\nNgo\u00e0i l\u1edbp than, c\u00e1c l\u1edbp v\u1ea3i l\u1ecdc kh\u00e1c c\u0169ng c\u00f3 kh\u1ea3 n\u0103ng ng\u0103n ch\u1eb7n b\u1ee5i v\u00e0 vi sinh v\u1eadt:\r\n<ul>\r\n \t<li aria-level=\"1\">L\u1edbp ngo\u00e0i c\u00f9ng: kh\u00e1ng n\u01b0\u1edbc v\u00e0 ch\u1eb7n b\u1ee5i l\u1edbn, gi\u1ecdt b\u1eafn.<\/li>\r\n \t<li aria-level=\"1\">L\u1edbp gi\u1eefa: l\u00e0 m\u00e0ng l\u1ecdc t\u0129nh \u0111i\u1ec7n, gi\u1eef l\u1ea1i c\u00e1c h\u1ea1t b\u1ee5i si\u00eau nh\u1ecf, kh\u00f3i thu\u1ed1c v\u00e0 vi khu\u1ea9n.<\/li>\r\n \t<li aria-level=\"1\">L\u1edbp than ho\u1ea1t t\u00ednh: h\u1ea5p th\u1ee5 kh\u00ed \u0111\u1ed9c, m\u00f9i h\u00f4i v\u00e0 h\u01a1i h\u00f3a ch\u1ea5t trong kh\u00f4ng kh\u00ed.<\/li>\r\n \t<li aria-level=\"1\">L\u1edbp trong c\u00f9ng: h\u00fat h\u01a1i \u1ea9m kh\u1ecfi b\u1ec1 m\u1eb7t da, gi\u1eef cho m\u1ed3 h\u00f4i v\u00e0 h\u01a1i th\u1edf ng\u01b0ng t\u1ee5 kh\u00f4ng \u0111\u1ecdng th\u00e0nh gi\u1ecdt ngay s\u00e1t mi\u1ec7ng.<\/li>\r\n<\/ul>\r\nCh\u00ednh nh\u1edd c\u1ea5u tr\u00fac nhi\u1ec1u t\u1ea7ng nh\u01b0 v\u1eady, kh\u1ea9u trang than ho\u1ea1t t\u00ednh tr\u1edf th\u00e0nh s\u1ea3n ph\u1ea9m \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng nhi\u1ec1u cho nh\u1eefng ng\u01b0\u1eddi l\u00e0m vi\u1ec7c \u1edf m\u00f4i tr\u01b0\u1eddng kh\u00f3i b\u1ee5i nh\u01b0 l\u00e0 x\u00e2y d\u1ef1ng, t\u00e0i x\u1ebf, nh\u00e2n vi\u00ean b\u1ea3o tr\u00ec, hay ng\u01b0\u1eddi th\u01b0\u1eddng xuy\u00ean di chuy\u1ec3n b\u1eb1ng xe m\u00e1y tr\u00ean \u0111\u01b0\u1eddng ph\u1ed1 \u0111\u00f4ng \u0111\u00fac.<a href=\"https:\/\/www.baohoxanh.com\/bao-ho-ho-hap\"> <b>B\u1ea3o h\u1ed9 h\u00f4 h\u1ea5p \u0111\u1ea1t ti\u00eau chu\u1ea9n<\/b><\/a> n\u00e0y kh\u00f4ng ch\u1ec9 gi\u00fap l\u1ecdc b\u1ee5i m\u1ecbn v\u00e0 kh\u00ed \u0111\u1ed9c m\u00e0 c\u00f2n gi\u1ea3m c\u1ea3m gi\u00e1c m\u1ec7t m\u1ecfi khi h\u00edt ph\u1ea3i kh\u00f3i b\u1ee5i nhi\u1ec1u gi\u1edd li\u1ec1n, b\u1ea3o v\u1ec7 h\u1ec7 h\u00f4 h\u1ea5p hi\u1ec7u qu\u1ea3 trong d\u00e0i h\u1ea1n.\r\n<h3><b>\u01afu \u0110i\u1ec3m V\u01b0\u1ee3t Tr\u1ed9i So V\u1edbi C\u00e1c Lo\u1ea1i Kh\u00e1c<\/b><\/h3>\r\nSo v\u1edbi kh\u1ea9u trang v\u1ea3i tr\u01a1n th\u00f4ng th\u01b0\u1eddng, hai nh\u00f3m n\u00e0y kh\u00e1c nhau \u1edf m\u1ed9t ch\u1ed7 c\u00f3 th\u1ec3 ki\u1ec3m \u0111\u01b0\u1ee3c: ch\u00fang c\u00f3 t\u1ea5m l\u1ecdc thay th\u1ebf n\u1eb1m b\u00ean trong, c\u00f2n kh\u1ea9u trang v\u1ea3i tr\u01a1n th\u00ec ch\u1ec9 c\u00f3 v\u1ea3i. V\u1ea3i d\u1ec7t th\u01b0\u1eddng, d\u00f9 d\u00e0y m\u1ea5y l\u1edbp, kh\u00f4ng c\u00f3 t\u0129nh \u0111i\u1ec7n v\u00e0 kh\u00f4ng gi\u1eef \u0111\u01b0\u1ee3c h\u1ea1t m\u1ecbn; n\u00f3 ch\u1ec9 ch\u1eb7n \u0111\u01b0\u1ee3c gi\u1ecdt b\u1eafn l\u1edbn.\r\n\r\n\u01afu \u0111i\u1ec3m c\u1ee7a nh\u00f3m kh\u1ea9u trang v\u1ea3i ki\u1ec3u d\u00e1ng th\u1eddi trang n\u1eb1m \u1edf ph\u1ea7n v\u1ecf b\u1ec1n v\u00e0 th\u00e1o r\u1eddi \u0111\u01b0\u1ee3c l\u00f5i l\u1ecdc. Hai ph\u1ea7n n\u00e0y ph\u1ea3i t\u00e1ch b\u1ea1ch khi b\u1ea3o qu\u1ea3n: ch\u1ec9 v\u1ecf v\u1ea3i m\u1edbi \u0111em gi\u1eb7t, c\u00f2n t\u1ea5m l\u00f5i l\u1ecdc th\u00ec kh\u00f4ng bao gi\u1edd gi\u1eb7t v\u00ec n\u01b0\u1edbc l\u00e0m m\u1ea5t \u0111i\u1ec7n t\u00edch c\u1ee7a s\u1ee3i l\u1ecdc, v\u00e0 l\u00f5i \u0111\u00e3 gi\u1eb7t tr\u00f4ng v\u1eabn nguy\u00ean v\u1eb9n d\u00f9 hi\u1ec7u su\u1ea5t \u0111\u00e3 t\u1ee5t. Thay l\u00f5i theo khuy\u1ebfn c\u00e1o c\u1ee7a nh\u00e0 s\u1ea3n xu\u1ea5t, th\u01b0\u1eddng v\u00e0i ng\u00e0y m\u1ed9t l\u1ea7n tu\u1ef3 m\u1ee9c kh\u00f3i b\u1ee5i.\r\n\r\nC\u00e1c h\u1ea1t carbon ho\u1ea1t t\u00ednh b\u1eaft gi\u1eef ph\u00e2n t\u1eed h\u01a1i h\u1eefu c\u01a1 trong kh\u00f3i xe v\u00e0 h\u01a1i x\u0103ng d\u1ea7u b\u1eb1ng c\u01a1 ch\u1ebf h\u1ea5p ph\u1ee5, \u0111\u1ee7 cho m\u1ee9c \u00f4 nhi\u1ec5m \u0111\u01b0\u1eddng ph\u1ed1. \u0110\u00e2y kh\u00f4ng ph\u1ea3i phin l\u1ecdc ho\u00e1 ch\u1ea5t c\u00f4ng nghi\u1ec7p: l\u1edbp than m\u1ecfng trong kh\u1ea9u trang kh\u00f4ng d\u00f9ng thay m\u1eb7t n\u1ea1 ph\u00f2ng \u0111\u1ed9c khi l\u00e0m vi\u1ec7c v\u1edbi dung m\u00f4i n\u1ed3ng \u0111\u1ed9 cao. Ranh gi\u1edbi gi\u1eefa hai nh\u00f3m n\u1eb1m \u1edf n\u1ed3ng \u0111\u1ed9: d\u01b0\u1edbi m\u1ee9c g\u00e2y kh\u00f3 ch\u1ecbu tho\u00e1ng qua ngo\u00e0i \u0111\u01b0\u1eddng th\u00ec l\u1edbp than x\u1eed l\u00fd \u0111\u01b0\u1ee3c; \u1edf n\u01a1i m\u00f9i dung m\u00f4i \u0111\u1eadm li\u00ean t\u1ee5c th\u00ec ph\u1ea3i chuy\u1ec3n sang m\u1eb7t n\u1ea1 l\u1eafp phin \u0111\u00fang m\u00e3 kh\u00ed.\r\n\r\nNgo\u00e0i c\u00f4ng n\u0103ng b\u1ea3o v\u1ec7, t\u00ednh th\u1eddi trang c\u0169ng nh\u01b0 \u0111\u1ed9 b\u1ec1n c\u1ee7a s\u1ea3n ph\u1ea9m c\u0169ng \u0111\u01b0\u1ee3c ch\u00fa tr\u1ecdng. Nhi\u1ec1u m\u1eabu kh\u1ea9u trang \u0111\u1ea1t chu\u1ea9n d\u00f2ng than ho\u1ea1t t\u00ednh hi\u1ec7n nay \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf phong ph\u00fa, ki\u1ec3u d\u00e1ng th\u1eddi trang, t\u1eeb phong c\u00e1ch n\u0103ng \u0111\u1ed9ng, th\u1ec3 thao \u0111\u1ebfn thanh l\u1ecbch, v\u0103n ph\u00f2ng. M\u1ed9t s\u1ed1 th\u01b0\u01a1ng hi\u1ec7u c\u00f2n k\u1ebft h\u1ee3p ch\u1ea5t li\u1ec7u v\u1ea3i cao c\u1ea5p, \u00f4m s\u00e1t khu\u00f4n m\u1eb7t v\u00e0 c\u00f3 th\u1ec3 gi\u1eb7t l\u1ea1i nhi\u1ec1u l\u1ea7n, gi\u00fap ng\u01b0\u1eddi d\u00f9ng v\u1eeba b\u1ea3o v\u1ec7 s\u1ee9c kh\u1ecfe v\u1eeba th\u1ec3 hi\u1ec7n phong c\u00e1ch ri\u00eang.\r\n\r\n\u0110\u1eb7c bi\u1ec7t, nhi\u1ec1u lo\u1ea1i kh\u1ea9u trang \u0111\u1ea1t chu\u1ea9n c\u00f2n c\u00f3 th\u1ec3 g\u1eafn th\u00eam t\u1ea5m l\u1ecdc PM2.5 r\u1eddi \u2013 m\u1ed9t gi\u1ea3i ph\u00e1p t\u0103ng c\u01b0\u1eddng kh\u1ea3 n\u0103ng l\u1ecdc b\u1ee5i m\u1ecbn v\u00e0 vi khu\u1ea9n trong nh\u1eefng ng\u00e0y \u00f4 nhi\u1ec5m n\u1eb7ng. C\u00e1ch n\u00e0y gi\u1ea3m \u0111\u01b0\u1ee3c l\u01b0\u1ee3ng kh\u1ea9u trang b\u1ecf \u0111i m\u1ed7i ng\u00e0y, nh\u01b0ng kh\u00f4ng n\u00ean xem l\u00e0 t\u01b0\u01a1ng \u0111\u01b0\u01a1ng kh\u1ea9u trang l\u1ecdc b\u1ee5i \u0111\u00e3 ch\u1ee9ng nh\u1eadn: v\u1ecf v\u1ea3i may s\u1eb5n th\u01b0\u1eddng kh\u00f4ng \u00f4m kh\u00edt m\u1eb7t, m\u00e0 \u0111\u1ed9 k\u00edn \u1edf m\u00e9p m\u1edbi l\u00e0 th\u1ee9 quy\u1ebft \u0111\u1ecbnh ph\u1ea7n l\u1edbn hi\u1ec7u qu\u1ea3 th\u1ef1c t\u1ebf.\r\n\r\nT\u00f3m l\u1ea1i, ba c\u00e2u h\u1ecfi c\u1ea7n tr\u1ea3 l\u1eddi tr\u01b0\u1edbc khi mua b\u1ea5t k\u1ef3 chi\u1ebfc n\u00e0o: m\u1ee5c ti\u00eau l\u00e0 b\u1ea3o v\u1ec7 ng\u01b0\u1eddi \u0111eo hay b\u1ea3o v\u1ec7 ng\u01b0\u1eddi xung quanh, con s\u1ed1 ph\u1ea7n tr\u0103m tr\u00ean h\u1ed9p thu\u1ed9c ph\u00e9p th\u1eed n\u00e0o, v\u00e0 chi\u1ebfc n\u00e0y c\u00f3 \u00f4m kh\u00edt m\u1eb7t c\u1ee7a ch\u00ednh ng\u01b0\u1eddi s\u1ebd \u0111eo hay kh\u00f4ng. Tr\u1ea3 l\u1eddi \u0111\u01b0\u1ee3c ba c\u00e2u \u0111\u00f3 th\u00ec m\u1ecdi tranh lu\u1eadn v\u1ec1 s\u1ed1 l\u1edbp, m\u00e0u s\u1eafc v\u00e0 th\u01b0\u01a1ng hi\u1ec7u \u0111\u1ec1u tr\u1edf n\u00ean th\u1ee9 y\u1ebfu.","protected":false},"excerpt":{"rendered":"<p>Ba nh\u00f3m kh\u1ea9u trang \u0111\u00e1ng d\u00f9ng, c\u00e1ch \u0111\u1ecdc \u0111\u00fang con s\u1ed1 ph\u1ea7n tr\u0103m c\u1ee7a t\u1eebng ti\u00eau chu\u1ea9n ASTM, EN 14683, NIOSH v\u00e0 KF94, k\u00e8m gi\u1edbi h\u1ea1n th\u1ef1c t\u1ebf c\u1ee7a t\u1eebng lo\u1ea1i khi \u0111eo su\u1ed1t ca.<\/p>\n","protected":false},"author":761,"featured_media":75531,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5383,6351,1],"tags":[7067,7069,7068],"class_list":["post-75530","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-hoi-dap","category-review-san-pham","category-tin-tuc","tag-bao-ho-ho-hap-dat-tieu-chuan","tag-khau-trang-dat-chuan-chat-luong","tag-khau-trang-dat-chuan-y-te"],"_links":{"self":[{"href":"https:\/\/www.baohoxanh.com\/blog\/wp-json\/wp\/v2\/posts\/75530","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.baohoxanh.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.baohoxanh.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.baohoxanh.com\/blog\/wp-json\/wp\/v2\/users\/761"}],"replies":[{"embeddable":true,"href":"https:\/\/www.baohoxanh.com\/blog\/wp-json\/wp\/v2\/comments?post=75530"}],"version-history":[{"count":76,"href":"https:\/\/www.baohoxanh.com\/blog\/wp-json\/wp\/v2\/posts\/75530\/revisions"}],"predecessor-version":[{"id":96142,"href":"https:\/\/www.baohoxanh.com\/blog\/wp-json\/wp\/v2\/posts\/75530\/revisions\/96142"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.baohoxanh.com\/blog\/wp-json\/wp\/v2\/media\/75531"}],"wp:attachment":[{"href":"https:\/\/www.baohoxanh.com\/blog\/wp-json\/wp\/v2\/media?parent=75530"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.baohoxanh.com\/blog\/wp-json\/wp\/v2\/categories?post=75530"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.baohoxanh.com\/blog\/wp-json\/wp\/v2\/tags?post=75530"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}