{"id":24112,"date":"2020-03-27T01:54:51","date_gmt":"2020-03-26T18:54:51","guid":{"rendered":"https:\/\/www.baohoxanh.com\/blog\/?p=24112"},"modified":"2026-09-06T23:27:00","modified_gmt":"2026-09-06T16:27:00","slug":"quan-ao-chong-ho-quang-dien-va-nhung-dieu-can-biet","status":"publish","type":"post","link":"https:\/\/www.baohoxanh.com\/blog\/quan-ao-chong-ho-quang-dien-va-nhung-dieu-can-biet\/","title":{"rendered":"Qu\u1ea7n \u00c1o Ch\u1ed1ng H\u1ed3 Quang \u0110i\u1ec7n V\u00e0 Nh\u1eefng \u0110i\u1ec1u C\u1ea7n Bi\u1ebft"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Trong cu\u1ed9c s\u1ed1ng hi\u1ec7n \u0111\u1ea1i, v\u1edbi s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p v\u00e0 c\u00f4ng ngh\u1ec7, nguy c\u01a1 h\u1ed3 quang \u0111i\u1ec7n ng\u00e0y c\u00e0ng tr\u1edf n\u00ean ph\u1ed5 bi\u1ebfn v\u00e0 \u0111e d\u1ecda s\u1ee9c kh\u1ecfe c\u1ee7a nh\u1eefng ng\u01b0\u1eddi lao \u0111\u1ed9ng. Nguy hi\u1ec3m ch\u00ednh c\u1ee7a h\u1ed3 quang kh\u00f4ng n\u1eb1m \u1edf \u00e1nh s\u00e1ng ch\u00f3i m\u00e0 \u1edf n\u0103ng l\u01b0\u1ee3ng nhi\u1ec7t t\u1edbi \u0111\u1eadp l\u00ean b\u1ec1 m\u1eb7t c\u01a1 th\u1ec3 trong v\u00e0i ph\u1ea7n ngh\u00ecn gi\u00e2y: nhi\u1ec7t t\u1ea1i t\u00e2m h\u1ed3 quang \u0111\u1ee7 \u0111\u1ec3 l\u00e0m b\u1ed1c h\u01a1i kim lo\u1ea1i, c\u00f2n qu\u1ea7n \u00e1o s\u1ee3i t\u1ed5ng h\u1ee3p th\u00f4ng th\u01b0\u1eddng th\u00ec ch\u1ea3y v\u00e0 d\u00ednh v\u00e0o da. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ph\u1ea7n c\u1ea5u t\u1ea1o l\u1edbp v\u1ea3i v\u00e0 c\u00e1ch ch\u1ecdn theo c\u1ea5p ATPV \u0111\u01b0\u1ee3c tr\u00ecnh b\u00e0y chi ti\u1ebft trong b\u00e0i c\u1ea5u t\u1ea1o v\u00e0 c\u00e1ch ch\u1ecdn qu\u1ea7n \u00e1o ch\u1ed1ng h\u1ed3 quang \u0111i\u1ec7n.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Tr\u01b0\u1edbc nguy c\u01a1 l\u1edbn n\u00e0y, qu\u1ea7n \u00e1o ch\u1ed1ng h\u1ed3 quang \u0111i\u1ec7n \u0111\u00e3 tr\u1edf th\u00e0nh m\u1ed9t ph\u1ea7n quan tr\u1ecdng kh\u00f4ng th\u1ec3 thi\u1ebfu trong b\u1ea3o h\u1ed9 lao \u0111\u1ed9ng. Kh\u00f4ng ch\u1ec9 l\u00e0 m\u1ed9t chi\u1ebfc \u00e1o \u0111\u01a1n thu\u1ea7n, m\u00e0  qu\u1ea7n \u00e1o ch\u1ed1ng h\u1ed3 quang \u0111i\u1ec7n l\u00e0 ng\u01b0\u1eddi b\u1ea1n \u0111\u1ed3ng h\u00e0nh, l\u00e0m nhi\u1ec7m v\u1ee5 gi\u1edbi h\u1ea1n m\u1ee9c b\u1ecfng m\u00e0 ng\u01b0\u1eddi m\u1eb7c ph\u1ea3i ch\u1ecbu khi s\u1ef1 c\u1ed1 h\u1ed3 quang \u0111\u00e3 x\u1ea3y ra. V\u1ea3i \u0111\u1ea1t y\u00eau c\u1ea7u ph\u1ea3i t\u1ef1 t\u1eaft sau khi ngu\u1ed3n nhi\u1ec7t bi\u1ebfn m\u1ea5t, kh\u00f4ng ch\u1ea3y nh\u1ecf gi\u1ecdt v\u00e0 kh\u00f4ng co r\u00fat l\u00e0m h\u1edf da. C\u00e1c ph\u1ea7n d\u01b0\u1edbi \u0111\u00e2y b\u00e0n v\u1ec1 nh\u00f3m ch\u1ea5t li\u1ec7u \u0111\u00e1p \u1ee9ng \u0111\u01b0\u1ee3c \u0111i\u1ec1u \u0111\u00f3, c\u00e1ch \u0111\u1ecdc ti\u00eau chu\u1ea9n ghi tr\u00ean nh\u00e3n v\u00e0 c\u00e1ch gi\u1eb7t b\u1ea3o qu\u1ea3n \u0111\u1ec3 l\u1edbp b\u1ea3o v\u1ec7 kh\u00f4ng m\u1ea5t t\u00e1c d\u1ee5ng tr\u01b0\u1edbc h\u1ea1n.<\/p>\n\n\n\n<figure class=\"wp-block-gallery has-nested-images columns-default is-cropped wp-block-gallery-2 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image aligncenter size-full\"><img decoding=\"async\" width=\"600\" height=\"600\" data-id=\"62353\" src=\"https:\/\/www.baohoxanh.com\/blog\/wp-content\/uploads\/2023\/11\/quan-ao-chong-ho-quang-dien-dam-bao.jpg\" alt=\"Qu\u1ea7n \u00c1o Ch\u1ed1ng H\u1ed3 Quang \u0110i\u1ec7n \u0110\u1ea3m B\u1ea3o\" loading=\"lazy\" class=\"wp-image-62353\" title=\"\" srcset=\"https:\/\/www.baohoxanh.com\/blog\/wp-content\/uploads\/2023\/11\/quan-ao-chong-ho-quang-dien-dam-bao.jpg 600w, https:\/\/www.baohoxanh.com\/blog\/wp-content\/uploads\/2023\/11\/quan-ao-chong-ho-quang-dien-dam-bao-300x300.jpg 300w, https:\/\/www.baohoxanh.com\/blog\/wp-content\/uploads\/2023\/11\/quan-ao-chong-ho-quang-dien-dam-bao-150x150.jpg 150w, https:\/\/www.baohoxanh.com\/blog\/wp-content\/uploads\/2023\/11\/quan-ao-chong-ho-quang-dien-dam-bao-431x431.jpg 431w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><figcaption class=\"wp-element-caption\">Qu\u1ea7n \u00c1o Ch\u1ed1ng H\u1ed3 Quang \u0110i\u1ec7n kh\u00f4ng ch\u1ec9 l\u00e0 s\u1ea3n ph\u1ea9m b\u1ea3o h\u1ed9 lao \u0111\u1ed9ng m\u00e0 c\u00f2n l\u00e0 k\u1ebft qu\u1ea3 c\u1ee7a qu\u00e1 tr\u00ecnh ph\u00e1t tri\u1ec3n v\u00e0 c\u1ea3i ti\u1ebfn li\u00ean t\u1ee5c.<\/figcaption><\/figure>\n<\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Ngu\u1ed3n G\u1ed1c C\u1ee7a Qu\u1ea7n \u00c1o Ch\u1ed1ng H\u1ed3 Quang \u0110i\u1ec7n<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Qu\u1ea7n \u00e1o ch\u1ed1ng h\u1ed3 quang \u0111i\u1ec7n kh\u00f4ng ch\u1ec9 l\u00e0 s\u1ea3n ph\u1ea9m b\u1ea3o h\u1ed9 lao \u0111\u1ed9ng m\u00e0 c\u00f2n l\u00e0 k\u1ebft qu\u1ea3 c\u1ee7a qu\u00e1 tr\u00ecnh ph\u00e1t tri\u1ec3n v\u00e0 c\u1ea3i ti\u1ebfn li\u00ean t\u1ee5c. Trong ph\u1ea7n n\u00e0y, ch\u00fang ta s\u1ebd b\u00e0n v\u1ec1 ngu\u1ed3n g\u1ed1c c\u1ee7a qu\u1ea7n \u00e1o ch\u1ed1ng h\u1ed3 quang \u0111i\u1ec7n, bao g\u1ed3m c\u1ea3 l\u1ecbch s\u1eed h\u00ecnh th\u00e0nh v\u00e0 s\u1ef1 \u0111\u00f3ng g\u00f3p t\u1eeb c\u00e1c qu\u1ed1c gia n\u1ed5i ti\u1ebfng v\u1ec1 s\u1ea3n xu\u1ea5t.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">L\u1ecbch S\u1eed H\u00ecnh Th\u00e0nh V\u00e0 Ph\u00e1t Tri\u1ec3n<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Nh\u00f3m v\u1ea3i n\u00e0y ra \u0111\u1eddi t\u1eeb ng\u00e0nh s\u1ee3i t\u1ed5ng h\u1ee3p ch\u1ee9 kh\u00f4ng t\u1eeb ng\u00e0nh \u0111i\u1ec7n. DuPont \u0111\u01b0a s\u1ee3i aramid Nomex ra th\u1ecb tr\u01b0\u1eddng n\u0103m 1967, v\u00e0 \u0111\u00e2y l\u00e0 lo\u1ea1i s\u1ee3i ch\u1eadm ch\u00e1y t\u1ef1 th\u00e2n, t\u1ee9c t\u00ednh ch\u1eadm ch\u00e1y n\u1eb1m trong c\u1ea5u tr\u00fac ph\u00e2n t\u1eed c\u1ee7a s\u1ee3i ch\u1ee9 kh\u00f4ng \u0111\u1ebfn t\u1eeb m\u1ed9t l\u1edbp ho\u00e1 ch\u1ea5t ph\u1ee7 ngo\u00e0i. Kevlar, c\u0169ng thu\u1ed9c h\u1ecd aramid, ra \u0111\u1eddi sau \u0111\u00f3 v\u00e0 \u0111\u01b0\u1ee3c \u0111\u01b0a v\u00e0o b\u00e1n t\u1eeb \u0111\u1ea7u th\u1eadp ni\u00ean 1970.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Vi\u1ec7c g\u1eafn con s\u1ed1 v\u00e0o lo\u1ea1i v\u1ea3i n\u00e0y \u0111\u1ebfn mu\u1ed9n h\u01a1n nhi\u1ec1u. Hi\u1ec7p h\u1ed9i Ph\u00f2ng ch\u00e1y Qu\u1ed1c gia M\u1ef9 ban h\u00e0nh \u1ea5n b\u1ea3n \u0111\u1ea7u ti\u00ean c\u1ee7a b\u1ed9 quy ph\u1ea1m an to\u00e0n \u0111i\u1ec7n t\u1ea1i n\u01a1i l\u00e0m vi\u1ec7c NFPA 70E n\u0103m 1979, v\u00e0 m\u00e3i t\u1edbi th\u1eadp ni\u00ean 1990 m\u1edbi c\u00f3 ph\u01b0\u01a1ng ph\u00e1p th\u1eed h\u1ed3 quang h\u1edf cho ra tr\u1ecb s\u1ed1 arc rating t\u00ednh b\u1eb1ng cal\/cm\u00b2, nay mang s\u1ed1 hi\u1ec7u ASTM F1959. Tr\u01b0\u1edbc m\u1ed1c \u0111\u00f3, ng\u01b0\u1eddi mua kh\u00f4ng c\u00f3 c\u00e1ch n\u00e0o so hai b\u1ed9 \u0111\u1ed3 v\u1edbi nhau ngo\u00e0i vi\u1ec7c tin l\u1eddi ng\u01b0\u1eddi b\u00e1n.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">C\u00e1c Qu\u1ed1c Gia S\u1ea3n Xu\u1ea5t Ch\u1ee7 L\u1ef1c<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Xu\u1ea5t x\u1ee9 \u0111\u00e1ng ch\u00fa \u00fd kh\u00f4ng ph\u1ea3i v\u00ec danh ti\u1ebfng m\u00e0 v\u00ec m\u1ed7i v\u00f9ng d\u00f9ng m\u1ed9t h\u1ec7 ti\u00eau chu\u1ea9n kh\u00e1c nhau, d\u1eabn t\u1edbi nh\u00e3n ghi hai lo\u1ea1i con s\u1ed1 kh\u00f4ng quy \u0111\u1ed5i th\u1eb3ng cho nhau. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 b\u1ed1n nh\u00f3m h\u00e0ng th\u01b0\u1eddng g\u1eb7p tr\u00ean th\u1ecb tr\u01b0\u1eddng Vi\u1ec7t Nam v\u00e0 th\u1ee9 c\u1ea7n \u0111\u1ecdc tr\u00ean nh\u00e3n c\u1ee7a t\u1eebng nh\u00f3m.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>H\u00e0ng s\u1ea3n xu\u1ea5t t\u1ea1i Trung Qu\u1ed1c<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Ph\u1ea7n l\u1edbn h\u00e0ng ph\u1ed5 th\u00f4ng tr\u00ean th\u1ecb tr\u01b0\u1eddng thu\u1ed9c nh\u00f3m n\u00e0y, v\u00e0 kho\u1ea3ng gi\u00e1 tr\u1ea3i r\u1ea5t r\u1ed9ng v\u00ec m\u00e3 v\u1ea3i kh\u00e1c nhau. Th\u1ee9 c\u1ea7n h\u1ecfi kh\u00f4ng ph\u1ea3i n\u01a1i \u0111\u1eb7t nh\u00e0 m\u00e1y m\u00e0 l\u00e0 phi\u1ebfu th\u1eed: t\u00ean ph\u00f2ng th\u1eed nghi\u1ec7m, s\u1ed1 hi\u1ec7u ti\u00eau chu\u1ea9n \u0111\u00e3 th\u1eed, tr\u1ecb s\u1ed1 \u0111o \u0111\u01b0\u1ee3c v\u00e0 ng\u00e0y th\u1eed. Nh\u00e0 m\u00e1y n\u00e0o c\u0169ng c\u00f3 th\u1ec3 g\u1eedi v\u1ea3i \u0111i th\u1eed t\u1ea1i ph\u00f2ng th\u1eed nghi\u1ec7m b\u00ean th\u1ee9 ba, n\u00ean vi\u1ec7c kh\u00f4ng \u0111\u01b0a ra \u0111\u01b0\u1ee3c phi\u1ebfu th\u1eed t\u1ef1 n\u00f3 \u0111\u00e3 l\u00e0 m\u1ed9t c\u00e2u tr\u1ea3 l\u1eddi.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>H\u00e0ng theo h\u1ec7 ti\u00eau chu\u1ea9n M\u1ef9<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Nh\u00e3n theo h\u1ec7 M\u1ef9 ghi tr\u1ecb s\u1ed1 arc rating t\u00ednh b\u1eb1ng cal\/cm\u00b2, \u0111o theo ph\u01b0\u01a1ng ph\u00e1p th\u1eed h\u1ed3 quang h\u1edf ASTM F1959. Con s\u1ed1 \u1ea5y tr\u1ea3 l\u1eddi m\u1ed9t c\u00e2u h\u1ecfi r\u1ea5t c\u1ee5 th\u1ec3: m\u1ee9c n\u0103ng l\u01b0\u1ee3ng t\u1edbi m\u00e0 t\u1ea1i \u0111\u00f3 x\u00e1c su\u1ea5t b\u1ecfng \u0111\u1ed9 hai l\u00e0 50 %. N\u00f3 gh\u00e9p v\u1edbi b\u1ea3ng ph\u00e2n lo\u1ea1i c\u00f4ng vi\u1ec7c trong NFPA 70E, ngh\u0129a l\u00e0 ng\u01b0\u1eddi l\u1eadp h\u1ed3 s\u01a1 ph\u1ea3i t\u00ednh n\u0103ng l\u01b0\u1ee3ng s\u1ef1 c\u1ed1 t\u1ea1i ch\u00ednh t\u1ee7 \u0111i\u1ec7n \u0111\u00f3 r\u1ed3i m\u1edbi bi\u1ebft c\u1ea7n bao nhi\u00eau cal\/cm\u00b2.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>H\u00e0ng theo h\u1ec7 ti\u00eau chu\u1ea9n ch\u00e2u \u00c2u<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Nh\u00e3n theo h\u1ec7 ch\u00e2u \u00c2u d\u1eabn b\u1ed9 IEC\/EN 61482 v\u00e0 th\u01b0\u1eddng ghi c\u1ea5p b\u1ea3o v\u1ec7 theo ph\u00e9p th\u1eed h\u1ed9p, \u0111\u00f4i khi k\u00e8m tr\u1ecb s\u1ed1 cal\/cm\u00b2 l\u1ea5y t\u1eeb ph\u00e9p th\u1eed h\u1ed3 quang h\u1edf \u1edf ph\u1ea7n 1-1. Hai con s\u1ed1 n\u00e0y \u0111\u1ebfn t\u1eeb hai ph\u00e9p th\u1eed kh\u00e1c nhau, n\u00ean m\u1ed9t chi\u1ebfc \u00e1o ch\u1ec9 ghi c\u1ea5p b\u1ea3o v\u1ec7 m\u00e0 kh\u00f4ng k\u00e8m cal\/cm\u00b2 th\u00ec kh\u00f4ng \u0111\u1eb7t th\u1eb3ng v\u00e0o b\u1ea3ng c\u1ee7a NFPA 70E \u0111\u01b0\u1ee3c, v\u00e0 ng\u01b0\u1ee3c l\u1ea1i.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0110i\u1ec1u m\u00e0 xu\u1ea5t x\u1ee9 kh\u00f4ng n\u00f3i l\u00ean<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Tr\u1ecb s\u1ed1 b\u1ea3o v\u1ec7 g\u1eafn v\u1edbi m\u00e3 v\u1ea3i v\u00e0 v\u1edbi ki\u1ec3u may, kh\u00f4ng g\u1eafn v\u1edbi t\u00ean n\u01b0\u1edbc. Hai b\u1ed9 \u0111\u1ed3 c\u00f9ng m\u1ed9t n\u01b0\u1edbc s\u1ea3n xu\u1ea5t c\u00f3 th\u1ec3 ch\u00eanh nhau nhi\u1ec1u l\u1ea7n v\u1ec1 cal\/cm\u00b2 v\u00ec d\u00f9ng hai m\u00e3 v\u1ea3i kh\u00e1c nhau; ng\u01b0\u1ee3c l\u1ea1i, c\u00f9ng m\u1ed9t m\u00e3 v\u1ea3i nh\u01b0ng \u0111\u1ed5i kho\u00e1 k\u00e9o ho\u1eb7c \u0111\u1ed5i ch\u1ec9 may th\u00ec b\u1ed9 \u0111\u1ed3 ho\u00e0n ch\u1ec9nh v\u1eabn ph\u1ea3i th\u1eed l\u1ea1i, v\u00ec \u0111\u01b0\u1eddng may v\u00e0 chi ti\u1ebft \u0111\u00f3ng m\u1edf n\u1eb1m trong ph\u1ea1m vi th\u1eed c\u1ee7a b\u1ed9 \u0111\u1ed3 ch\u1ee9 kh\u00f4ng ch\u1ec9 c\u1ee7a t\u1ea5m v\u1ea3i.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00f3 m\u1ed9t gi\u1edbi h\u1ea1n ph\u1ea3i n\u00f3i r\u00f5 tr\u01b0\u1edbc khi \u0111i ti\u1ebfp: b\u1ed9 \u0111\u1ed3 ch\u1ed1ng h\u1ed3 quang kh\u00f4ng c\u00e1ch \u0111i\u1ec7n. N\u00f3 gi\u1edbi h\u1ea1n m\u1ee9c b\u1ecfng khi h\u1ed3 quang \u0111\u00e3 ph\u00e1t ra, c\u00f2n nguy c\u01a1 \u0111i\u1ec7n gi\u1eadt do ch\u1ea1m v\u00e0o ph\u1ea7n mang \u0111i\u1ec7n th\u00ec n\u00f3 kh\u00f4ng ch\u1eb7n \u0111\u01b0\u1ee3c ch\u00fat n\u00e0o. Vi\u1ec7c c\u1eaft \u0111i\u1ec7n, kho\u00e1 v\u00e0 treo th\u1ebb, r\u1ed3i th\u1eed l\u1ea1i b\u1eb1ng b\u00fat th\u1eed \u0111i\u1ec7n \u0111\u1ec3 x\u00e1c nh\u1eadn kh\u00f4ng c\u00f2n \u0111i\u1ec7n v\u1eabn l\u00e0 b\u01b0\u1edbc b\u1eaft bu\u1ed9c; b\u1ed9 \u0111\u1ed3 ch\u1ec9 l\u00e0 th\u1ee9 d\u1ef1 ph\u00f2ng cho tr\u01b0\u1eddng h\u1ee3p quy tr\u00ecnh \u0111\u00f3 th\u1ea5t b\u1ea1i.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Ch\u1ea5t Li\u1ec7u V\u1ea3i D\u00f9ng Cho Qu\u1ea7n \u00c1o Ch\u1ed1ng H\u1ed3 Quang \u0110i\u1ec7n<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Qu\u1ea7n \u00e1o ch\u1ed1ng h\u1ed3 quang \u0111i\u1ec7n \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c b\u1ea3o v\u1ec7 ng\u01b0\u1eddi lao \u0111\u1ed9ng kh\u1ecfi nguy c\u01a1 h\u1ed3 quang \u0111i\u1ec7n trong m\u00f4i tr\u01b0\u1eddng l\u00e0m vi\u1ec7c. Ch\u1ea5t li\u1ec7u s\u1eed d\u1ee5ng \u0111\u1ec3 s\u1ea3n xu\u1ea5t qu\u1ea7n \u00e1o ch\u1ed1ng h\u1ed3 quang \u0111i\u1ec7n \u0111\u00f3ng g\u00f3p l\u1edbn v\u00e0o kh\u1ea3 n\u0103ng ch\u1ecbu \u0111\u1ef1ng v\u00e0 hi\u1ec7u su\u1ea5t b\u1ea3o v\u1ec7 c\u1ee7a s\u1ea3n ph\u1ea9m. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ed1 th\u00f4ng tin chi ti\u1ebft v\u1ec1 c\u00e1c ch\u1ea5t li\u1ec7u ch\u00ednh th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng:<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">C\u00e1c Nh\u00f3m Ch\u1ea5t Li\u1ec7u Th\u01b0\u1eddng D\u00f9ng<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Ch\u1ea5t li\u1ec7u k\u1ef9 thu\u1eadt cao (High-Tech Materials)<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Ch\u1ea5t li\u1ec7u n\u00e0y th\u01b0\u1eddng bao g\u1ed3m s\u1ef1 k\u1ebft h\u1ee3p gi\u1eefa s\u1ee3i t\u1ed5ng h\u1ee3p v\u00e0 c\u00e1c h\u1ee3p ch\u1ea5t k\u1ef9 thu\u1eadt cao c\u1ea5p. S\u1ee3i t\u1ed5ng h\u1ee3p nh\u01b0 Kevlar, Nomex th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng v\u1edbi kh\u1ea3 n\u0103ng ch\u1ed1ng ch\u00e1y, ch\u1ed1ng nhi\u1ec7t v\u00e0 \u0111\u1ed9 b\u1ec1n cao. \u0110i\u1ec3m quy\u1ebft \u0111\u1ecbnh c\u1ee7a h\u1ecd s\u1ee3i n\u00e0y l\u00e0 ch\u00fang kh\u00f4ng n\u00f3ng ch\u1ea3y: khi g\u1eb7p nhi\u1ec7t h\u1ed3 quang, s\u1ee3i than ho\u00e1 t\u1ea1i ch\u1ed7 v\u00e0 gi\u1eef nguy\u00ean h\u00ecnh d\u1ea1ng t\u1ea5m v\u1ea3i, n\u00ean da b\u00ean d\u01b0\u1edbi kh\u00f4ng ph\u1ea3i ti\u1ebfp x\u00fac v\u1edbi nh\u1ef1a n\u00f3ng ch\u1ea3y nh\u01b0 \u1edf polyester.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Ch\u1ea5t li\u1ec7u ch\u1ed1ng t\u0129nh \u0111i\u1ec7n<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Nhi\u1ec1u m\u00e3 v\u1ea3i c\u00f3 d\u1ec7t xen s\u1ee3i carbon \u0111\u1ec3 ti\u00eau t\u00e1n \u0111i\u1ec7n t\u00edch t\u00edch t\u1ee5 tr\u00ean b\u1ec1 m\u1eb7t, gi\u1ea3m nguy c\u01a1 ph\u00e1t tia l\u1eeda \u1edf khu v\u1ef1c c\u00f3 h\u01a1i dung m\u00f4i ho\u1eb7c b\u1ee5i d\u1ec5 ch\u00e1y. T\u00ednh n\u0103ng n\u00e0y ch\u1ec9 ho\u1ea1t \u0111\u1ed9ng khi \u0111i\u1ec7n t\u00edch tho\u00e1t \u0111\u01b0\u1ee3c xu\u1ed1ng s\u00e0n n\u1ed1i \u0111\u1ea5t qua gi\u00e0y d\u1eabn \u0111i\u1ec7n t\u00edch, v\u00e0 n\u00f3 kh\u00f4ng ph\u1ea3i l\u1edbp c\u00e1ch \u0111i\u1ec7n: qu\u1ea7n \u00e1o ch\u1ed1ng t\u0129nh \u0111i\u1ec7n kh\u00f4ng b\u1ea3o v\u1ec7 ng\u01b0\u1eddi m\u1eb7c kh\u1ecfi \u0111i\u1ec7n gi\u1eadt.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>V\u1ea3i b\u00f4ng x\u1eed l\u00fd ch\u1eadm ch\u00e1y<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">B\u00f4ng x\u1eed l\u00fd ch\u1eadm ch\u00e1y l\u00e0 nh\u00f3m ph\u1ed5 bi\u1ebfn v\u00ec tho\u00e1ng v\u00e0 r\u1ebb h\u01a1n s\u1ee3i aramid. \u0110i\u1ec3m ph\u1ea3i n\u1eafm l\u00e0 hi\u1ec7u l\u1ef1c ch\u1eadm ch\u00e1y c\u1ee7a nh\u00f3m n\u00e0y n\u1eb1m \u1edf l\u1edbp x\u1eed l\u00fd ho\u00e1 h\u1ecdc ch\u1ee9 kh\u00f4ng n\u1eb1m s\u1eb5n trong b\u1ea3n th\u00e2n s\u1ee3i, n\u00ean n\u00f3 suy gi\u1ea3m d\u1ea7n theo s\u1ed1 l\u1ea7n gi\u1eb7t, nhanh nh\u1ea5t l\u00e0 khi g\u1eb7p thu\u1ed1c t\u1ea9y ch\u1ee9a clo. Ng\u01b0\u1ee3c l\u1ea1i, kh\u00f4ng d\u00f9ng polyester, nylon hay v\u1ea3i pha c\u00e1c s\u1ee3i n\u00e0y cho qu\u1ea7n \u00e1o ch\u1ed1ng h\u1ed3 quang: ch\u00fang ch\u1ea3y \u1edf nhi\u1ec7t \u0111\u1ed9 th\u1ea5p h\u01a1n nhi\u1ec1u so v\u1edbi nhi\u1ec7t c\u1ee7a h\u1ed3 quang r\u1ed3i b\u00e1m d\u00ednh v\u00e0o da, l\u00e0m v\u1ebft b\u1ecfng n\u1eb7ng th\u00eam thay v\u00ec nh\u1eb9 \u0111i.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>L\u1edbp \u00e1o m\u01b0a kho\u00e1c ngo\u00e0i<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">V\u1edbi t\u1ed5 l\u00e0m ngo\u00e0i tr\u1eddi, l\u1edbp \u00e1o m\u01b0a kho\u00e1c ngo\u00e0i c\u0169ng ph\u1ea3i l\u00e0 lo\u1ea1i c\u00f3 ch\u1ec9 s\u1ed1 h\u1ed3 quang. M\u00e0ng ch\u1ed1ng th\u1ea5m th\u00f4ng th\u01b0\u1eddng l\u00e0m t\u1eeb nh\u1ef1a nhi\u1ec7t d\u1ebbo s\u1ebd ch\u1ea3y khi g\u1eb7p h\u1ed3 quang, n\u00ean m\u1ed9t chi\u1ebfc \u00e1o m\u01b0a \u0111i ch\u1ee3 kho\u00e1c \u0111\u00e8 l\u00ean b\u1ed9 \u0111\u1ed3 \u0111\u1ea1t chu\u1ea9n s\u1ebd v\u00f4 hi\u1ec7u ho\u00e1 ph\u1ea7n l\u1edbn l\u1edbp b\u1ea3o v\u1ec7 b\u00ean d\u01b0\u1edbi. \u00c1o m\u01b0a th\u01b0\u1eddng kh\u00f4ng \u0111\u01b0\u1ee3c x\u1ebfp v\u00e0o trang b\u1ecb b\u1ea3o h\u1ed9 khi l\u1eadp danh m\u1ee5c c\u1ea5p ph\u00e1t, n\u00ean y\u00eau c\u1ea7u v\u1ec1 ch\u1ec9 s\u1ed1 h\u1ed3 quang ph\u1ea3i n\u00eau ngay trong \u0111\u01a1n mua \u00e1o m\u01b0a.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Ph\u1ea7n tia c\u1ef1c t\u00edm do k\u00ednh che m\u1eb7t \u0111\u1ea3m nhi\u1ec7m<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">H\u1ed3 quang ph\u00e1t ra tia c\u1ef1c t\u00edm r\u1ea5t m\u1ea1nh g\u00e2y b\u1ecfng gi\u00e1c m\u1ea1c, nh\u01b0ng ph\u1ea7n b\u1ea3o v\u1ec7 \u0111\u00f3 thu\u1ed9c v\u1ec1 k\u00ednh che m\u1eb7t v\u00e0 m\u0169 tr\u00f9m c\u00f3 ch\u1ec9 s\u1ed1 h\u1ed3 quang ch\u1ee9 kh\u00f4ng thu\u1ed9c v\u1ec1 v\u1ea3i \u00e1o. Nhi\u1ec7m v\u1ee5 c\u1ee7a v\u1ea3i ch\u1ec9 l\u00e0 che k\u00edn da: h\u1edf c\u1ed5 tay, h\u1edf g\u00e1y hay h\u1edf m\u1eaft c\u00e1 l\u00e0 nh\u1eefng ch\u1ed7 b\u1ecb b\u1ecfng \u0111\u1ea7u ti\u00ean d\u00f9 b\u1ed9 \u0111\u1ed3 c\u00f3 ch\u1ec9 s\u1ed1 cal\/cm\u00b2 cao.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Khi c\u00f3 nguy c\u01a1 ho\u00e1 ch\u1ea5t c\u00f9ng l\u00fac<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u00c1o li\u1ec1n qu\u1ea7n ch\u1ed1ng ho\u00e1 ch\u1ea5t d\u00f9ng m\u1ed9t l\u1ea7n l\u00e0m t\u1eeb m\u00e0ng polyethylene kh\u00f4ng c\u00f3 ch\u1ec9 s\u1ed1 h\u1ed3 quang v\u00e0 s\u1ebd ch\u1ea3y khi g\u1eb7p tia l\u1eeda, n\u00ean kh\u00f4ng \u0111\u01b0\u1ee3c kho\u00e1c ra ngo\u00e0i b\u1ed9 \u0111\u1ed3 ch\u1ed1ng h\u1ed3 quang cho ti\u1ec7n. V\u1ecb tr\u00ed v\u1eeba c\u00f3 nguy c\u01a1 ho\u00e1 ch\u1ea5t v\u1eeba c\u00f3 nguy c\u01a1 h\u1ed3 quang ph\u1ea3i \u0111\u1eb7t lo\u1ea1i v\u1ea3i \u0111\u00e3 th\u1eed cho c\u1ea3 hai m\u1ed1i nguy, ch\u1ee9 kh\u00f4ng ch\u1ed3ng hai lo\u1ea1i trang ph\u1ee5c l\u00ean nhau r\u1ed3i coi l\u00e0 \u0111\u1ee7.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u01afu \u0110i\u1ec3m V\u00e0 Nh\u01b0\u1ee3c \u0110i\u1ec3m C\u1ee7a T\u1eebng Lo\u1ea1i Ch\u1ea5t Li\u1ec7u<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">S\u1ee3i aramid gi\u1eef \u0111\u01b0\u1ee3c t\u00ednh ch\u1eadm ch\u00e1y trong su\u1ed1t tu\u1ed5i th\u1ecd c\u1ee7a s\u1ee3i, ch\u1ecbu \u0111\u01b0\u1ee3c s\u1ed1 l\u1ea7n gi\u1eb7t c\u00f4ng nghi\u1ec7p cao v\u00e0 t\u01b0\u01a1ng \u0111\u1ed1i nh\u1eb9, \u0111\u1ed5i l\u1ea1i gi\u00e1 cao v\u00e0 b\u1ea1c m\u00e0u nhanh khi ph\u01a1i n\u1eafng li\u00ean t\u1ee5c. B\u00f4ng x\u1eed l\u00fd ch\u1eadm ch\u00e1y m\u1eb7c m\u00e1t h\u01a1n trong kh\u00ed h\u1eadu n\u00f3ng \u1ea9m v\u00e0 gi\u00e1 d\u1ec5 ch\u1ecbu h\u01a1n, nh\u01b0ng n\u1eb7ng h\u01a1n v\u00e0 ph\u1ee5 thu\u1ed9c v\u00e0o vi\u1ec7c gi\u1eb7t \u0111\u00fang c\u00e1ch.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">V\u1ea3i pha aramid v\u1edbi b\u00f4ng nh\u1eafm v\u00e0o \u0111i\u1ec3m gi\u1eefa c\u1ee7a hai nh\u00f3m, n\u00ean khi so b\u00e1o gi\u00e1 ph\u1ea3i h\u1ecfi r\u00f5 t\u1ef7 l\u1ec7 pha: t\u1ef7 l\u1ec7 b\u00f4ng c\u00e0ng cao th\u00ec b\u1ed9 \u0111\u1ed3 c\u00e0ng ph\u1ee5 thu\u1ed9c v\u00e0o l\u1edbp x\u1eed l\u00fd ho\u00e1 h\u1ecdc, v\u00e0 tr\u1ecb s\u1ed1 c\u00f4ng b\u1ed1 sau chu k\u1ef3 gi\u1eb7t c\u00e0ng \u0111\u00e1ng xem k\u1ef9 h\u01a1n tr\u1ecb s\u1ed1 \u0111o tr\u00ean v\u1ea3i m\u1edbi.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1ed9t m\u1ed1c th\u1ef1c d\u1ee5ng khi so hai ch\u00e0o h\u00e0ng: h\u1ecfi s\u1ed1 chu k\u1ef3 gi\u1eb7t m\u00e0 tr\u1ecb s\u1ed1 c\u00f4ng b\u1ed1 c\u00f2n gi\u1eef \u0111\u01b0\u1ee3c. V\u1ea3i b\u00f4ng x\u1eed l\u00fd ch\u1eadm ch\u00e1y c\u00f4ng b\u1ed1 tr\u1ecb s\u1ed1 theo m\u1ed9t s\u1ed1 chu k\u1ef3 gi\u1eb7t nh\u1ea5t \u0111\u1ecbnh, h\u1ebft s\u1ed1 \u0111\u00f3 th\u00ec l\u1edbp x\u1eed l\u00fd coi nh\u01b0 kh\u00f4ng c\u00f2n \u0111\u01b0\u1ee3c b\u1ea3o ch\u1ee9ng, trong khi v\u1ea3i aramid gi\u1eef t\u00ednh ch\u1eadm ch\u00e1y su\u1ed1t tu\u1ed5i th\u1ecd s\u1ee3i. Ch\u00eanh l\u1ec7ch n\u00e0y th\u01b0\u1eddng l\u1edbn h\u01a1n ch\u00eanh l\u1ec7ch gi\u00e1 ban \u0111\u1ea7u khi t\u00ednh theo v\u00f2ng \u0111\u1eddi b\u1ed9 \u0111\u1ed3.<\/p>\n\n\n\n<figure class=\"wp-block-gallery has-nested-images columns-default is-cropped wp-block-gallery-3 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image aligncenter size-full\"><img decoding=\"async\" width=\"600\" height=\"600\" data-id=\"62354\" src=\"https:\/\/www.baohoxanh.com\/blog\/wp-content\/uploads\/2023\/11\/quan-ao-chong-ho-quang-dien-chat-luong.jpg\" alt=\"Qu\u1ea7n \u00c1o Ch\u1ed1ng H\u1ed3 Quang \u0110i\u1ec7n Ch\u1ea5t L\u01b0\u1ee3ng\" loading=\"lazy\" class=\"wp-image-62354\" title=\"\" srcset=\"https:\/\/www.baohoxanh.com\/blog\/wp-content\/uploads\/2023\/11\/quan-ao-chong-ho-quang-dien-chat-luong.jpg 600w, https:\/\/www.baohoxanh.com\/blog\/wp-content\/uploads\/2023\/11\/quan-ao-chong-ho-quang-dien-chat-luong-300x300.jpg 300w, https:\/\/www.baohoxanh.com\/blog\/wp-content\/uploads\/2023\/11\/quan-ao-chong-ho-quang-dien-chat-luong-150x150.jpg 150w, https:\/\/www.baohoxanh.com\/blog\/wp-content\/uploads\/2023\/11\/quan-ao-chong-ho-quang-dien-chat-luong-431x431.jpg 431w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><figcaption class=\"wp-element-caption\">Qu\u1ea7n \u00c1o Ch\u1ed1ng H\u1ed3 Quang \u0110i\u1ec7n kh\u00f4ng ch\u1ec9 l\u00e0 m\u1ed9t trang thi\u1ebft b\u1ecb c\u00e1 nh\u00e2n th\u00f4ng th\u01b0\u1eddng m\u00e0 c\u00f2n ph\u1ea3i tu\u00e2n th\u1ee7 c\u00e1c ti\u00eau chu\u1ea9n an to\u00e0n nghi\u00eam ng\u1eb7t<\/figcaption><\/figure>\n<\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Ti\u00eau Chu\u1ea9n An To\u00e0n \u00c1p D\u1ee5ng Cho Qu\u1ea7n \u00c1o Ch\u1ed1ng H\u1ed3 Quang<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Nh\u00e3n c\u1ee7a nh\u00f3m h\u00e0ng n\u00e0y ch\u1ee9a hai lo\u1ea1i con s\u1ed1 \u0111\u1ebfn t\u1eeb hai ph\u00e9p th\u1eed kh\u00e1c nhau, v\u00e0 ng\u01b0\u1eddi mua hay nh\u1ea7m ch\u00fang v\u1edbi nhau. Ph\u1ea7n n\u00e0y n\u00f3i v\u1ec1 c\u00e1ch \u0111\u1ecdc nh\u1eefng g\u00ec ghi tr\u00ean nh\u00e3n v\u00e0 tr\u00ean phi\u1ebfu th\u1eed, v\u00ec \u0111\u00f3 l\u00e0 ch\u1ed7 duy nh\u1ea5t ng\u01b0\u1eddi mua ki\u1ec3m tra \u0111\u01b0\u1ee3c l\u1eddi qu\u1ea3ng c\u00e1o.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Ti\u00eau chu\u1ea9n c\u01a1 b\u1ea3n<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">N\u00f3i &quot;ISO v\u00e0 ANSI \u0111\u1ec1u c\u00f3 ti\u00eau chu\u1ea9n&quot; l\u00e0 ch\u01b0a \u0111\u1ee7 \u0111\u1ec3 \u0111\u1ecdc m\u1ed9t phi\u1ebfu th\u1eed h\u1ed3 quang, v\u00ec hai ph\u00e9p th\u1eed kh\u00e1c nhau cho ra hai lo\u1ea1i s\u1ed1 kh\u00e1c nhau. <a href=\"https:\/\/webstore.iec.ch\/en\/publication\/5498\" target=\"_blank\" rel=\"noopener nofollow\">Ph\u01b0\u01a1ng ph\u00e1p h\u1ed9p trong IEC 61482-1-2<\/a> x\u1ebfp s\u1ea3n ph\u1ea9m v\u00e0o hai c\u1ea5p b\u1ea3o v\u1ec7 h\u1ed3 quang, v\u00e0 c\u1ea5p \u0111\u01b0\u1ee3c ch\u1ecdn theo d\u00f2ng ng\u1eafn m\u1ea1ch d\u1ef1 ki\u1ebfn c\u1ee7a ph\u00e9p th\u1eed: c\u1ea5p 1 th\u1eed \u1edf 4 kA, c\u1ea5p 2 th\u1eed \u1edf 7 kA, c\u00f9ng th\u1eddi gian h\u1ed3 quang 500 ms. M\u1eabu ch\u1ec9 \u0111\u1ea1t khi m\u1eb7t trong kh\u00f4ng ch\u1ea3y, t\u00e0n l\u1eeda t\u1eaft trong v\u00f2ng 5 gi\u00e2y v\u00e0 kh\u00f4ng th\u1ee7ng l\u1ed7 n\u00e0o l\u1edbn h\u01a1n 5 mm. C\u00e1c tr\u1ecb s\u1ed1 ATPV, ELIM hay EBT t\u00ednh b\u1eb1ng cal\/cm\u00b2 l\u1ea1i thu\u1ed9c ph\u00e9p th\u1eed h\u1ed3 quang h\u1edf \u1edf ph\u1ea7n 1-1, m\u1ed9t ph\u00e9p th\u1eed kh\u00e1c h\u1eb3n. V\u00ec v\u1eady khi nh\u00e0 cung c\u1ea5p \u0111\u01b0a ra m\u1ed9t t\u1edd ch\u1ee9ng nh\u1eadn, vi\u1ec7c \u0111\u1ea7u ti\u00ean l\u00e0 xem n\u00f3 ghi c\u1ea5p b\u1ea3o v\u1ec7 hay ghi cal\/cm\u00b2.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ba s\u1ed1 hi\u1ec7u \u0111\u00e1ng thu\u1ed9c l\u00f2ng cho nh\u00f3m h\u00e0ng n\u00e0y l\u00e0 IEC 61482-1-1 v\u00e0 IEC 61482-1-2 cho hai ph\u00e9p th\u1eed v\u1eadt li\u1ec7u, IEC 61482-2 cho y\u00eau c\u1ea7u v\u1edbi b\u1ed9 \u0111\u1ed3 ho\u00e0n ch\u1ec9nh, v\u00e0 ASTM F1959 cho ph\u00e9p th\u1eed h\u1ed3 quang h\u1edf theo h\u1ec7 M\u1ef9. B\u1ed9 ISO kh\u00f4ng ban h\u00e0nh ti\u00eau chu\u1ea9n ri\u00eang cho h\u1ed3 quang \u0111i\u1ec7n, n\u00ean m\u1ed9t nh\u00e3n ghi chung chung l\u00e0 \u0111\u1ea1t ISO m\u00e0 kh\u00f4ng k\u00e8m s\u1ed1 hi\u1ec7u c\u1ee5 th\u1ec3 th\u00ec kh\u00f4ng n\u00f3i l\u00ean \u0111i\u1ec1u g\u00ec v\u1ec1 kh\u1ea3 n\u0103ng ch\u1ed1ng h\u1ed3 quang.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Ti\u00eau chu\u1ea9n ghi tr\u00ean nh\u00e3n<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Nh\u00e3n ph\u1ea3i ghi r\u00f5 t\u00ean ti\u00eau chu\u1ea9n \u0111\u00e3 th\u1eed v\u00e0 tr\u1ecb s\u1ed1 \u0111\u1ea1t \u0111\u01b0\u1ee3c, k\u00e8m ng\u00e0y th\u1eed. M\u1ed9t d\u00f2ng ch\u1eef chung chung ki\u1ec3u ch\u1ed1ng h\u1ed3 quang m\u00e0 kh\u00f4ng c\u00f3 t\u00ean ti\u00eau chu\u1ea9n th\u00ec kh\u00f4ng d\u00f9ng \u0111\u1ec3 l\u1eadp h\u1ed3 s\u01a1 an to\u00e0n \u0111\u01b0\u1ee3c, v\u00ec b\u1ed9 ph\u1eadn an to\u00e0n kh\u00f4ng c\u00f3 g\u00ec \u0111\u1ec3 \u0111\u1ed1i chi\u1ebfu khi c\u1ea7n ch\u1ee9ng minh m\u1ee9c b\u1ea3o v\u1ec7 \u0111\u00e3 c\u1ea5p ph\u00e1t \u0111\u1ee7 cho v\u1ecb tr\u00ed l\u00e0m vi\u1ec7c \u0111\u00f3.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Ti\u00eau chu\u1ea9n \u0111o l\u01b0\u1eddng v\u00e0 hi\u1ec7u su\u1ea5t<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Tr\u1ecb s\u1ed1 b\u1ea3o v\u1ec7 \u0111\u01b0\u1ee3c \u0111o tr\u00ean m\u1eabu v\u1ea3i m\u1edbi, n\u00ean ti\u00eau chu\u1ea9n c\u00f2n quy \u0111\u1ecbnh ph\u00e9p th\u1eed l\u1eb7p l\u1ea1i sau m\u1ed9t s\u1ed1 chu k\u1ef3 gi\u1eb7t nh\u1ea5t \u0111\u1ecbnh \u0111\u1ec3 ch\u1ee9ng minh v\u1ea3i kh\u00f4ng t\u1ee5t c\u1ea5p. Khi so hai b\u00e1o gi\u00e1, c\u1ea7n xem tr\u1ecb s\u1ed1 c\u00f4ng b\u1ed1 l\u00e0 \u0111o tr\u00ean v\u1ea3i m\u1edbi hay \u0111o sau chu k\u1ef3 gi\u1eb7t, v\u00ec hai con s\u1ed1 n\u00e0y c\u00f3 th\u1ec3 ch\u00eanh nhau \u0111\u00e1ng k\u1ec3 \u1edf nh\u00f3m b\u00f4ng x\u1eed l\u00fd ch\u1eadm ch\u00e1y.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Ti\u00eau chu\u1ea9n \u0111\u1ecbnh h\u00ecnh v\u00e0 k\u00edch th\u01b0\u1edbc<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">C\u1ee1 \u00e1o \u1edf nh\u00f3m n\u00e0y kh\u00f4ng thu\u1ea7n l\u00e0 chuy\u1ec7n tho\u1ea3i m\u00e1i. B\u1ed9 \u0111\u1ed3 m\u1eb7c v\u1eeba kh\u00edt l\u00e0m l\u1edbp kh\u00f4ng kh\u00ed gi\u1eefa v\u1ea3i v\u00e0 da m\u1ecfng \u0111i, m\u00e0 ch\u00ednh l\u1edbp kh\u00f4ng kh\u00ed \u0111\u00f3 g\u00f3p ph\u1ea7n c\u1ea3n nhi\u1ec7t; \u00e1o qu\u00e1 ch\u1eadt c\u00f2n k\u00e9o \u1ed1ng tay l\u00ean l\u00e0m h\u1edf c\u1ed5 tay khi gi\u01a1 tay thao t\u00e1c. Ng\u01b0\u1ee3c l\u1ea1i, \u00e1o qu\u00e1 r\u1ed9ng d\u1ec5 v\u01b0\u1edbng v\u00e0o thi\u1ebft b\u1ecb \u0111\u00f3ng c\u1eaft. Th\u01b0\u1edbc \u0111o th\u1ef1c d\u1ee5ng l\u00e0 m\u1eb7c th\u1eed trong t\u01b0 th\u1ebf l\u00e0m vi\u1ec7c th\u1eadt, tay gi\u01a1 cao qu\u00e1 \u0111\u1ea7u, r\u1ed3i ki\u1ec3m xem c\u1ed5 tay v\u00e0 m\u1eaft c\u00e1 c\u00f2n k\u00edn kh\u00f4ng.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>C\u00e1c ti\u00eau chu\u1ea9n an to\u00e0n \u0111\u1eb7c bi\u1ec7t cho c\u00e1c ng\u00e0nh c\u1ee5 th\u1ec3<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Ngo\u00e0i tr\u1ecb s\u1ed1 h\u1ed3 quang, m\u1ed9t s\u1ed1 v\u1ecb tr\u00ed c\u00f2n ph\u1ea3i c\u1ed9ng th\u00eam y\u00eau c\u1ea7u ri\u00eang c\u1ee7a ng\u00e0nh: \u00e1o c\u00f3 d\u1ea3i ph\u1ea3n quang cho t\u1ed5 l\u00e0m ban \u0111\u00eam tr\u00ean l\u01b0\u1edbi, ho\u1eb7c y\u00eau c\u1ea7u ch\u1ed1ng t\u0129nh \u0111i\u1ec7n \u1edf khu v\u1ef1c c\u00f3 dung m\u00f4i. Khi c\u1ed9ng th\u00eam nh\u01b0 v\u1eady, m\u1ecdi chi ti\u1ebft ph\u1ee5 \u0111i k\u00e8m c\u0169ng ph\u1ea3i \u0111\u1ea1t chu\u1ea9n h\u1ed3 quang, k\u1ec3 c\u1ea3 d\u1ea3i ph\u1ea3n quang, kho\u00e1 k\u00e9o v\u00e0 c\u00fac, v\u00ec m\u1ed9t chi\u1ebfc kho\u00e1 k\u00e9o nh\u1ef1a th\u01b0\u1eddng s\u1ebd ch\u1ea3y v\u00e0 l\u00e0m \u00e1o bung ra \u0111\u00fang l\u00fac c\u1ea7n nh\u1ea5t.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">T\u1ea1i Vi\u1ec7t Nam, vi\u1ec7c c\u1ea5p ph\u00e1t nh\u00f3m trang b\u1ecb n\u00e0y ch\u1ecbu r\u00e0ng bu\u1ed9c c\u1ee7a Th\u00f4ng t\u01b0 25\/2022\/TT-BL\u0110TBXH do B\u1ed9 Lao \u0111\u1ed9ng \u2013 Th\u01b0\u01a1ng binh v\u00e0 X\u00e3 h\u1ed9i ban h\u00e0nh ng\u00e0y 30\/11\/2022, thay cho Th\u00f4ng t\u01b0 04\/2014. V\u0103n b\u1ea3n n\u00e0y quy \u0111\u1ecbnh danh m\u1ee5c, \u0111i\u1ec1u ki\u1ec7n \u0111\u01b0\u1ee3c trang c\u1ea5p, nguy\u00ean t\u1eafc s\u1eed d\u1ee5ng v\u00e0 b\u1ea3o qu\u1ea3n, \u0111\u1ed3ng th\u1eddi \u0111\u1eb7t tr\u00e1ch nhi\u1ec7m l\u1eadp h\u1ed3 s\u01a1 l\u00ean ph\u00eda ng\u01b0\u1eddi s\u1eed d\u1ee5ng lao \u0111\u1ed9ng \u2014 n\u00ean phi\u1ebfu th\u1eed c\u1ee7a l\u00f4 h\u00e0ng l\u00e0 th\u1ee9 c\u1ea7n l\u01b0u l\u1ea1i ch\u1ee9 kh\u00f4ng ch\u1ec9 xem qua l\u00fac mua.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">B\u1ea3o Qu\u1ea3n V\u00e0 B\u1ea3o D\u01b0\u1ee1ng Qu\u1ea7n \u00c1o Ch\u1ed1ng H\u1ed3 Quang \u0110i\u1ec7n<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Tr\u1ecb s\u1ed1 b\u1ea3o v\u1ec7 ghi tr\u00ean nh\u00e3n l\u00e0 tr\u1ecb s\u1ed1 c\u1ee7a b\u1ed9 \u0111\u1ed3 l\u00fac c\u00f2n m\u1edbi. C\u00e1ch gi\u1eb7t v\u00e0 c\u00e1ch c\u1ea5t gi\u1eef quy\u1ebft \u0111\u1ecbnh con s\u1ed1 \u1ea5y c\u00f2n \u0111\u00fang \u0111\u01b0\u1ee3c bao l\u00e2u, v\u00e0 v\u1edbi v\u1ea3i b\u00f4ng x\u1eed l\u00fd ch\u1eadm ch\u00e1y th\u00ec m\u1ed9t l\u1ea7n gi\u1eb7t sai \u0111\u00e3 \u0111\u1ee7 l\u00e0m h\u1ecfng l\u1edbp x\u1eed l\u00fd. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 nh\u1eefng ch\u1ed7 d\u1ec5 l\u00e0m h\u1ecfng nh\u1ea5t:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0110\u1ed1i v\u1edbi n\u01a1i l\u01b0u tr\u1eef<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u00c1o n\u00ean \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef \u1edf n\u01a1i kh\u00f4 r\u00e1o v\u00e0 tho\u00e1ng m\u00e1t \u0111\u1ec3 tr\u00e1nh \u0111\u1ed9 \u1ea9m, gi\u1ea3m nguy c\u01a1 m\u1ed1c. H\u1ea1n ch\u1ebf ti\u1ebfp x\u00fac tr\u1ef1c ti\u1ebfp v\u1edbi \u00e1nh n\u1eafng m\u1eb7t tr\u1eddi \u0111\u1ec3 tr\u00e1nh l\u00e0m gi\u1ea3m \u0111\u1ed9 b\u1ec1n c\u1ee7a ch\u1ea5t li\u1ec7u v\u00e0 m\u00e0u s\u1eafc.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>S\u1eafp x\u1ebfp g\u1ecdn g\u00e0ng<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">H\u1ea1n ch\u1ebf \u0111\u1eb7t qu\u1ea7n \u00e1o ch\u1ed1ng h\u1ed3 quang \u0111i\u1ec7n \u1edf n\u01a1i c\u00f3 nhi\u1ec1u v\u1eadt d\u1ee5ng c\u00f3 th\u1ec3 g\u00e2y t\u1ed5n th\u01b0\u01a1ng ho\u1eb7c l\u00e0m bi\u1ebfn d\u1ea1ng \u00e1o.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Ki\u1ec3m tra \u0111\u1ecbnh k\u1ef3<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Ki\u1ec3m tra tr\u01b0\u1edbc m\u1ed7i l\u1ea7n s\u1eed d\u1ee5ng \u0111\u1ec3 ph\u00e1t hi\u1ec7n k\u1ecbp th\u1eddi ch\u1ed7 r\u00e1ch, ch\u1ed7 s\u1eddn m\u1ecfng, \u0111\u01b0\u1eddng ch\u1ec9 bung hay v\u1ebft d\u1ea7u m\u1ee1 th\u1ea5m s\u00e2u. V\u1ebft d\u1ea7u m\u1ee1 nguy hi\u1ec3m h\u01a1n c\u1ea3: d\u1ea7u ng\u1ea5m v\u00e0o s\u1ee3i s\u1ebd b\u1eaft l\u1eeda d\u00f9 b\u1ea3n th\u00e2n v\u1ea3i v\u1eabn ch\u1eadm ch\u00e1y, v\u00e0 gi\u1eb7t th\u01b0\u1eddng kh\u00f4ng l\u1ea5y h\u1ebft \u0111\u01b0\u1ee3c. \u00c1o \u0111\u00e3 r\u00e1ch th\u1ee7ng ho\u1eb7c \u0111\u00e3 d\u00ednh d\u1ea7u kh\u00f4ng gi\u1eb7t s\u1ea1ch \u0111\u01b0\u1ee3c th\u00ec lo\u1ea1i b\u1ecf, kh\u00f4ng v\u00e1 l\u1ea1i b\u1eb1ng v\u1ea3i th\u01b0\u1eddng.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Gi\u1eb7t \u0111\u00fang c\u00e1ch<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Gi\u1eb7t theo \u0111\u00fang h\u01b0\u1edbng d\u1eabn c\u1ee7a nh\u00e0 s\u1ea3n xu\u1ea5t. Kh\u00f4ng d\u00f9ng thu\u1ed1c t\u1ea9y ch\u1ee9a clo v\u00e0 kh\u00f4ng d\u00f9ng n\u01b0\u1edbc x\u1ea3 v\u1ea3i: ch\u1ea5t t\u1ea9y ph\u00e1 l\u1edbp x\u1eed l\u00fd ch\u1eadm ch\u00e1y tr\u00ean v\u1ea3i b\u00f4ng, c\u00f2n n\u01b0\u1edbc x\u1ea3 \u0111\u1ec3 l\u1ea1i m\u00e0ng m\u1ec1m b\u00e1m tr\u00ean s\u1ee3i, v\u00e0 ch\u00ednh m\u00e0ng \u0111\u00f3 b\u1eaft l\u1eeda. N\u01b0\u1edbc gi\u1eb7t trung t\u00ednh, gi\u1eb7t ri\u00eang v\u1edbi \u0111\u1ed3 th\u01b0\u1eddng v\u00e0 ph\u01a1i trong b\u00f3ng r\u00e2m l\u00e0 quy tr\u00ecnh an to\u00e0n nh\u1ea5t.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Kh\u00f4ng s\u1eed d\u1ee5ng h\u00f3a ch\u1ea5t \u0111\u1ed9c h\u1ea1i<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Tr\u00e1nh ti\u1ebfp x\u00fac v\u1edbi ch\u1ea5t ho\u00e1 h\u1ecdc c\u00f3 th\u1ec3 l\u00e0m suy gi\u1ea3m kh\u1ea3 n\u0103ng ch\u1ed1ng h\u1ed3 quang \u0111i\u1ec7n c\u1ee7a \u00e1o.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>B\u1ea3o d\u01b0\u1ee1ng ph\u1ee5 ki\u1ec7n<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Kho\u00e1 k\u00e9o ph\u1ea3i l\u00e0 lo\u1ea1i th\u00e2n kim lo\u1ea1i c\u00f3 n\u1eafp v\u1ea3i che, c\u00fac ph\u1ea3i l\u00e0 c\u00fac ch\u1eadm ch\u00e1y. Kho\u00e1 k\u00e9o nh\u1ef1a v\u00e0 c\u00fac nh\u1ef1a th\u00f4ng th\u01b0\u1eddng ch\u1ea3y \u1edf nhi\u1ec7t th\u1ea5p h\u01a1n nhi\u1ec1u so v\u1edbi nhi\u1ec7t h\u1ed3 quang, v\u00e0 khi ch\u00fang ch\u1ea3y th\u00ec \u00e1o bung ra \u0111\u00fang v\u00e0o l\u00fac l\u1edbp v\u1ea3i \u0111ang l\u00e0m vi\u1ec7c. Thay kho\u00e1 k\u00e9o h\u1ecfng b\u1eb1ng kho\u00e1 k\u00e9o mua ngo\u00e0i ch\u1ee3 l\u00e0 c\u00e1ch ph\u1ed5 bi\u1ebfn nh\u1ea5t \u0111\u1ec3 v\u00f4 hi\u1ec7u ho\u00e1 m\u1ed9t b\u1ed9 \u0111\u1ed3 v\u1eabn c\u00f2n nguy\u00ean nh\u00e3n.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>M\u1ed9t s\u1ed1 m\u1eb9o t\u1eeb ng\u01b0\u1eddi d\u00f9ng th\u1ef1c t\u1ebf<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Th\u1ee9 nh\u1ea5t, lu\u00f4n gi\u1eef m\u1ed9t qu\u1ea7n \u00e1o ch\u1ed1ng h\u1ed3 quang \u0111i\u1ec7n d\u1ef1 ph\u00f2ng trong tr\u01b0\u1eddng h\u1ee3p \u00e1o ch\u00ednh g\u1eb7p s\u1ef1 c\u1ed1. Th\u1ee9 hai, ghi ng\u00e0y c\u1ea5p ph\u00e1t l\u00ean th\u1ebb kho c\u1ee7a t\u1eebng b\u1ed9 v\u00e0 \u0111\u1ed1i chi\u1ebfu v\u1edbi s\u1ed1 chu k\u1ef3 gi\u1eb7t m\u00e0 nh\u00e0 s\u1ea3n xu\u1ea5t c\u00f4ng b\u1ed1, v\u00ec v\u1edbi v\u1ea3i b\u00f4ng x\u1eed l\u00fd ch\u1eadm ch\u00e1y th\u00ec h\u1ebft s\u1ed1 chu k\u1ef3 \u0111\u00f3 l\u00e0 h\u1ebft ph\u1ea7n \u0111\u01b0\u1ee3c b\u1ea3o ch\u1ee9ng. Th\u1ee9 ba, kh\u00f4ng giao b\u1ed9 \u0111\u1ed3 n\u00e0y cho ti\u1ec7m gi\u1eb7t th\u01b0\u1eddng: m\u1ed9t m\u1ebb gi\u1eb7t chung c\u00f3 n\u01b0\u1edbc x\u1ea3 v\u1ea3i ho\u1eb7c thu\u1ed1c t\u1ea9y ch\u1ee9a clo \u0111\u1ee7 l\u00e0m h\u1ecfng c\u1ea3 l\u00f4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u00c1o c\u00f2n nguy\u00ean nh\u00e3n nh\u01b0ng \u0111\u00e3 b\u1ea1c m\u00e0u, m\u1ecfng \u1edf khu\u1ef7u v\u00e0 vai, ho\u1eb7c \u0111\u00e3 d\u00ednh d\u1ea7u l\u00e0 ba d\u1ea5u hi\u1ec7u cho th\u1ea5y tr\u1ecb s\u1ed1 in tr\u00ean nh\u00e3n kh\u00f4ng c\u00f2n m\u00f4 t\u1ea3 \u0111\u00fang th\u1ee9 \u0111ang m\u1eb7c tr\u00ean ng\u01b0\u1eddi.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">V\u00ec Sao Doanh Nghi\u1ec7p N\u00ean Trang B\u1ecb \u00c1o Ch\u1ed1ng H\u1ed3 Quang \u0110i\u1ec7n<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">L\u00fd do th\u1ee9 nh\u1ea5t l\u00e0 r\u00e0ng bu\u1ed9c ph\u00e1p l\u00fd: Th\u00f4ng t\u01b0 25\/2022\/TT-BL\u0110TBXH \u0111\u1eb7t ngh\u0129a v\u1ee5 trang c\u1ea5p ph\u01b0\u01a1ng ti\u1ec7n b\u1ea3o v\u1ec7 c\u00e1 nh\u00e2n l\u00ean ph\u00eda ng\u01b0\u1eddi s\u1eed d\u1ee5ng lao \u0111\u1ed9ng, k\u00e8m tr\u00e1ch nhi\u1ec7m l\u1eadp danh m\u1ee5c v\u00e0 l\u01b0u h\u1ed3 s\u01a1 theo v\u1ecb tr\u00ed l\u00e0m vi\u1ec7c. Kh\u00f4ng c\u00f3 phi\u1ebfu th\u1eed c\u1ee7a l\u00f4 h\u00e0ng th\u00ec kh\u00f4ng ch\u1ee9ng minh \u0111\u01b0\u1ee3c m\u1ee9c b\u1ea3o v\u1ec7 \u0111\u00e3 c\u1ea5p ph\u00e1t l\u00e0 \u0111\u1ee7 cho v\u1ecb tr\u00ed \u0111\u00f3. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">L\u00fd do th\u1ee9 hai n\u1eb1m \u1edf ch\u1ed7 b\u1ed9 \u0111\u1ed3 n\u00e0y ch\u1ec9 gi\u1edbi h\u1ea1n th\u01b0\u01a1ng t\u1ed5n ch\u1ee9 kh\u00f4ng ng\u0103n \u0111\u01b0\u1ee3c s\u1ef1 c\u1ed1. B\u1ecfng h\u1ed3 quang l\u00e0 lo\u1ea1i th\u01b0\u01a1ng t\u00edch \u0111i\u1ec1u tr\u1ecb d\u00e0i ng\u00e0y v\u00e0 \u0111\u1ec3 l\u1ea1i di ch\u1ee9ng, n\u00ean kho\u1ea3n chi cho m\u1ed9t b\u1ed9 \u0111\u1ed3 \u0111\u1ea1t chu\u1ea9n nh\u1ecf h\u01a1n nhi\u1ec1u so v\u1edbi chi ph\u00ed m\u1ed9t ca b\u1ecfng. Nh\u01b0ng th\u1ee9 t\u1ef1 \u0111\u00fang v\u1eabn l\u00e0: c\u1eaft \u0111i\u1ec7n tr\u01b0\u1edbc, thi\u1ebft k\u1ebf l\u1ea1i thao t\u00e1c \u0111\u1ec3 kh\u00f4ng ph\u1ea3i \u0111\u1ee9ng trong v\u00f9ng h\u1ed3 quang, r\u1ed3i m\u1edbi \u0111\u1ebfn b\u1ed9 \u0111\u1ed3. Trang b\u1ecb b\u1ed9 \u0111\u1ed3 t\u1ed1t m\u00e0 v\u1eabn \u0111\u1ec3 th\u1ee3 thao t\u00e1c tr\u00ean t\u1ee7 \u0111ang mang \u0111i\u1ec7n l\u00e0 \u0111\u1ea3o ng\u01b0\u1ee3c th\u1ee9 t\u1ef1 \u0111\u00f3.<\/p>\n\n\n\n<figure class=\"wp-block-gallery has-nested-images columns-default is-cropped wp-block-gallery-4 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image aligncenter size-full\"><img decoding=\"async\" width=\"600\" height=\"600\" data-id=\"62352\" src=\"https:\/\/www.baohoxanh.com\/blog\/wp-content\/uploads\/2023\/11\/quan-ao-chong-ho-quang-dien-uy-tin.jpg\" alt=\"Qu\u1ea7n \u00c1o Ch\u1ed1ng H\u1ed3 Quang \u0110i\u1ec7n Uy T\u00edn\" loading=\"lazy\" class=\"wp-image-62352\" title=\"\" srcset=\"https:\/\/www.baohoxanh.com\/blog\/wp-content\/uploads\/2023\/11\/quan-ao-chong-ho-quang-dien-uy-tin.jpg 600w, https:\/\/www.baohoxanh.com\/blog\/wp-content\/uploads\/2023\/11\/quan-ao-chong-ho-quang-dien-uy-tin-300x300.jpg 300w, https:\/\/www.baohoxanh.com\/blog\/wp-content\/uploads\/2023\/11\/quan-ao-chong-ho-quang-dien-uy-tin-150x150.jpg 150w, https:\/\/www.baohoxanh.com\/blog\/wp-content\/uploads\/2023\/11\/quan-ao-chong-ho-quang-dien-uy-tin-431x431.jpg 431w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><figcaption class=\"wp-element-caption\">Ngu\u1ed3n g\u1ed1c v\u00e0 ch\u1ea5t li\u1ec7u c\u1ee7a Qu\u1ea7n \u00c1o Ch\u1ed1ng H\u1ed3 Quang \u0110i\u1ec7n \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c \u0111\u1ea3m b\u1ea3o hi\u1ec7u su\u1ea5t v\u00e0 t\u00ednh an to\u00e0n c\u1ee7a s\u1ea3n ph\u1ea9m.<\/figcaption><\/figure>\n<\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Nh\u1eefng \u0110i\u1ec3m C\u1ea7n Nh\u1edb Tr\u01b0\u1edbc Khi \u0110\u1eb7t H\u00e0ng<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1ed9t chi ti\u1ebft nh\u1ecf hay b\u1ecb b\u1ecf qua khi l\u1eadp \u0111\u01a1n h\u00e0ng: b\u1ed9 \u0111\u1ed3 ph\u1ea3i che k\u00edn da \u1edf nh\u1eefng ch\u1ed7 ng\u01b0\u1eddi mua \u00edt ngh\u0129 t\u1edbi. C\u1ed5 tay, g\u00e1y v\u00e0 m\u1eaft c\u00e1 l\u00e0 ba v\u1ecb tr\u00ed b\u1ecb b\u1ecfng \u0111\u1ea7u ti\u00ean d\u00f9 b\u1ed9 \u0111\u1ed3 c\u00f3 tr\u1ecb s\u1ed1 cal\/cm\u00b2 cao, v\u00ec h\u1ed3 quang kh\u00f4ng ph\u00e2n bi\u1ec7t ph\u1ea7n v\u1ea3i \u0111\u1eaft ti\u1ec1n v\u1edbi ph\u1ea7n da \u0111\u1ec3 h\u1edf. V\u00ec v\u1eady \u0111\u01a1n h\u00e0ng n\u00ean g\u1ed3m c\u1ea3 m\u0169 tr\u00f9m v\u00e0 g\u0103ng, kh\u00f4ng ch\u1ec9 \u00e1o v\u00e0 qu\u1ea7n.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Cu\u1ed1i c\u00f9ng, vi\u1ec7c l\u1ef1a ch\u1ecdn <a href=\"https:\/\/www.baohoxanh.com\/quan-ao-bao-ho\">qu\u1ea7n \u00e1o ch\u1ed1ng h\u1ed3 quang \u0111i\u1ec7n gi\u00e1 t\u1ed1t<\/a> b\u1eaft \u0111\u1ea7u t\u1eeb ba c\u00e2u h\u1ecfi c\u1ee5 th\u1ec3 \u0111\u1eb7t cho nh\u00e0 cung c\u1ea5p tr\u01b0\u1edbc khi ch\u1ed1t \u0111\u01a1n: nh\u00e3n ghi ti\u00eau chu\u1ea9n n\u00e0o v\u00e0 tr\u1ecb s\u1ed1 bao nhi\u00eau, tr\u1ecb s\u1ed1 \u0111\u00f3 \u0111o tr\u00ean v\u1ea3i m\u1edbi hay \u0111o sau chu k\u1ef3 gi\u1eb7t, v\u00e0 c\u00e1c chi ti\u1ebft ph\u1ee5 nh\u01b0 kho\u00e1 k\u00e9o, c\u00fac, d\u1ea3i ph\u1ea3n quang c\u00f3 c\u00f9ng \u0111\u1ea1t chu\u1ea9n h\u1ed3 quang kh\u00f4ng.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110i\u1ec3m cu\u1ed1i c\u00f9ng v\u00e0 c\u0169ng d\u1ec5 qu\u00ean nh\u1ea5t: l\u1edbp \u00e1o l\u00f3t m\u1eb7c b\u00ean trong ph\u1ea3i l\u00e0 b\u00f4ng ho\u1eb7c v\u1ea3i \u0111\u1ea1t chu\u1ea9n, kh\u00f4ng m\u1eb7c \u00e1o thun polyester b\u00ean trong b\u1ed9 \u0111\u1ed3 ch\u1ed1ng h\u1ed3 quang. L\u1edbp trong b\u1eb1ng s\u1ee3i nhi\u1ec7t d\u1ebbo v\u1eabn ch\u1ea3y v\u00e0 d\u00ednh v\u00e0o da qua l\u1edbp v\u1ea3i ngo\u00e0i c\u00f2n nguy\u00ean v\u1eb9n, v\u00e0 \u0111\u00f3 l\u00e0 ki\u1ec3u b\u1ecfng kh\u00f3 hi\u1ec3u nh\u1ea5t khi \u0111i\u1ec1u tra s\u1ef1 c\u1ed1.<\/p>\n\n<div class=\"bhx-related-box\" style=\"margin-top:36px;padding:20px 24px;border:1px solid #d9e6d9;border-radius:10px;background:#f5faf5\"><p style=\"margin:0 0 12px;font-size:1.25em;font-weight:600\">Danh M\u1ee5c S\u1ea3n Ph\u1ea9m Li\u00ean Quan<\/p><ul style=\"margin:0;padding-left:20px;line-height:1.9\"><li><a href=\"https:\/\/www.baohoxanh.com\/chong-ho-quang-dien\">Qu\u1ea7n \u00e1o ch\u1ed1ng h\u1ed3 quang \u0111i\u1ec7n<\/a><\/li><li><a href=\"https:\/\/www.baohoxanh.com\/dong-phuc-bao-ho-lao-dong\">\u0110\u1ed3ng ph\u1ee5c b\u1ea3o h\u1ed9 lao \u0111\u1ed9ng<\/a><\/li><li><a href=\"https:\/\/www.baohoxanh.com\/gang-tay-cach-dien\">G\u0103ng tay c\u00e1ch \u0111i\u1ec7n<\/a><\/li><\/ul><\/div>","protected":false},"excerpt":{"rendered":"<p>V\u1ea3i n\u00e0o \u0111\u1ea1t y\u00eau c\u1ea7u ch\u1ed1ng h\u1ed3 quang, v\u00ec sao kh\u00f4ng \u0111\u01b0\u1ee3c m\u1eb7c polyester b\u00ean trong, c\u00e1ch \u0111\u1ecdc ti\u00eau chu\u1ea9n tr\u00ean nh\u00e3n v\u00e0 c\u00e1ch gi\u1eb7t \u0111\u1ec3 l\u1edbp b\u1ea3o v\u1ec7 kh\u00f4ng m\u1ea5t t\u00e1c d\u1ee5ng tr\u01b0\u1edbc h\u1ea1n.<\/p>\n","protected":false},"author":969,"featured_media":62351,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6934],"tags":[1102,1103,6120],"class_list":["post-24112","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-xoa-gsc","tag-quan-ao-chong-ho-quang-dien","tag-quan-ao-chong-ho-quang-dien-gia-tot","tag-quan-ao-chong-ho-quang-dien-uy-tin"],"_links":{"self":[{"href":"https:\/\/www.baohoxanh.com\/blog\/wp-json\/wp\/v2\/posts\/24112","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\/969"}],"replies":[{"embeddable":true,"href":"https:\/\/www.baohoxanh.com\/blog\/wp-json\/wp\/v2\/comments?post=24112"}],"version-history":[{"count":92,"href":"https:\/\/www.baohoxanh.com\/blog\/wp-json\/wp\/v2\/posts\/24112\/revisions"}],"predecessor-version":[{"id":97285,"href":"https:\/\/www.baohoxanh.com\/blog\/wp-json\/wp\/v2\/posts\/24112\/revisions\/97285"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.baohoxanh.com\/blog\/wp-json\/wp\/v2\/media\/62351"}],"wp:attachment":[{"href":"https:\/\/www.baohoxanh.com\/blog\/wp-json\/wp\/v2\/media?parent=24112"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.baohoxanh.com\/blog\/wp-json\/wp\/v2\/categories?post=24112"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.baohoxanh.com\/blog\/wp-json\/wp\/v2\/tags?post=24112"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}