{"id":1095,"date":"2026-04-01T07:39:24","date_gmt":"2026-04-01T07:39:24","guid":{"rendered":"https:\/\/www.geo-tester.com\/?post_type=standard&#038;p=1095"},"modified":"2026-04-08T05:59:17","modified_gmt":"2026-04-08T05:59:17","slug":"astm-d4632","status":"publish","type":"standard","link":"https:\/\/www.geo-tester.com\/vi\/standard\/astm-d4632\/","title":{"rendered":"ASTM D4632"},"content":{"rendered":"<p class=\"wp-block-paragraph\">Ti\u00eau chu\u1ea9n ASTM D4632\/D4632M l\u00e0 m\u1ed9t trong nh\u1eefng ti\u00eau chu\u1ea9n \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i nh\u1ea5t \u0111\u1ec3 \u0111\u00e1nh gi\u00e1 t\u00ednh ch\u1ea5t ch\u1ecbu k\u00e9o c\u1ee7a v\u1ea3i \u0111\u1ecba k\u1ef9 thu\u1eadt th\u00f4ng qua ph\u01b0\u01a1ng ph\u00e1p th\u1eed k\u00e9o m\u1eabu. Ti\u00eau chu\u1ea9n n\u00e0y \u0111o l\u01b0\u1eddng hai \u0111\u1eb7c t\u00ednh quan tr\u1ecdng: t\u1ea3i tr\u1ecdng \u0111\u1ee9t khi th\u1eed nghi\u1ec7m b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p grab v\u00e0 \u0111\u1ed9 gi\u00e3n d\u00e0i t\u1ea1i \u0111i\u1ec3m \u0111\u1ee9t. C\u00e1c gi\u00e1 tr\u1ecb n\u00e0y gi\u00fap c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t, ph\u00f2ng th\u00ed nghi\u1ec7m, nh\u00e0 th\u1ea7u v\u00e0 nh\u00e2n vi\u00ean ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng x\u00e1c \u0111\u1ecbnh li\u1ec7u v\u1eadt li\u1ec7u \u0111\u1ecba k\u1ef9 thu\u1eadt c\u00f3 \u0111\u00e1p \u1ee9ng c\u00e1c y\u00eau c\u1ea7u v\u1ec1 hi\u1ec7u su\u1ea5t cho c\u00e1c \u1ee9ng d\u1ee5ng th\u1ef1c \u0111\u1ecba hay kh\u00f4ng.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Kh\u00e1c v\u1edbi c\u00e1c ph\u01b0\u01a1ng ph\u00e1p th\u1eed k\u00e9o d\u1ea3i, ti\u00eau chu\u1ea9n ASTM D4632 ch\u1ec9 k\u1eb9p v\u00e0o ph\u1ea7n trung t\u00e2m c\u1ee7a m\u1eabu th\u1eed. C\u00e1ch ti\u1ebfp c\u1eadn n\u00e0y ph\u1ea3n \u00e1nh \u201c\u0111\u1ed9 b\u1ec1n hi\u1ec7u d\u1ee5ng\u201d c\u1ee7a v\u1ea3i m\u1ed9t c\u00e1ch th\u1ef1c t\u1ebf h\u01a1n, b\u1edfi v\u00ec c\u00e1c s\u1ee3i v\u00e0 s\u1ee3i v\u1ea3i li\u1ec1n k\u1ec1 \u0111\u1ec1u g\u00f3p ph\u1ea7n v\u00e0o t\u1ea3i tr\u1ecdng \u0111\u1ee9t cu\u1ed1i c\u00f9ng. Do \u0111\u00f3, ti\u00eau chu\u1ea9n ASTM D4632 th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong ki\u1ec3m tra \u0111\u1ea7u v\u00e0o, so s\u00e1nh s\u1ea3n ph\u1ea9m, ch\u1ea5p nh\u1eadn l\u00f4 h\u00e0ng v\u00e0 ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng s\u1ea3n xu\u1ea5t.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Ti\u00eau chu\u1ea9n ASTM D4632 l\u00e0 g\u00ec?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">ASTM D4632 l\u00e0 ph\u01b0\u01a1ng ph\u00e1p th\u1eed nghi\u1ec7m ti\u00eau chu\u1ea9n \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh t\u1ea3i tr\u1ecdng \u0111\u1ee9t \u0111\u1ed9t ng\u1ed9t v\u00e0 \u0111\u1ed9 gi\u00e3n d\u00e0i c\u1ee7a v\u1ea3i \u0111\u1ecba k\u1ef9 thu\u1eadt. Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y t\u00e1c d\u1ee5ng m\u1ed9t l\u1ef1c k\u00e9o t\u0103ng d\u1ea7n li\u00ean t\u1ee5c l\u00ean m\u1eabu th\u1eed cho \u0111\u1ebfn khi m\u1eabu b\u1ecb \u0111\u1ee9t.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ti\u00eau chu\u1ea9n n\u00e0y \u00e1p d\u1ee5ng cho nhi\u1ec1u lo\u1ea1i v\u1ea3i \u0111\u1ecba k\u1ef9 thu\u1eadt d\u1ec7t v\u00e0 kh\u00f4ng d\u1ec7t, bao g\u1ed3m c\u00e1c v\u1eadt li\u1ec7u \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong l\u1ecdc, tho\u00e1t n\u01b0\u1edbc, t\u00e1ch l\u1edbp, gia c\u1ed1, ch\u1ed1ng x\u00f3i m\u00f2n v\u00e0 x\u00e2y d\u1ef1ng \u0111\u01b0\u1eddng b\u1ed9. Tuy nhi\u00ean, ti\u00eau chu\u1ea9n n\u00e0y kh\u00f4ng ph\u00f9 h\u1ee3p v\u1edbi v\u1ea3i d\u1ec7t kim v\u00ec c\u1ea5u tr\u00fac c\u1ee7a ch\u00fang ph\u1ea3n \u1ee9ng kh\u00e1c nhau khi ch\u1ecbu t\u1ea3i k\u00e9o.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Th\u1eed nghi\u1ec7m c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n trong \u0111i\u1ec1u ki\u1ec7n kh\u00f4 ho\u1eb7c \u01b0\u1edbt. Trong h\u1ea7u h\u1ebft c\u00e1c th\u1eed nghi\u1ec7m th\u01b0\u01a1ng m\u1ea1i, c\u00e1c ph\u00f2ng th\u00ed nghi\u1ec7m th\u01b0\u1eddng s\u1eed d\u1ee5ng \u0111i\u1ec1u ki\u1ec7n kh\u00f4, tr\u1eeb khi y\u00eau c\u1ea7u k\u1ef9 thu\u1eadt c\u1ee7a d\u1ef1 \u00e1n quy \u0111\u1ecbnh ph\u1ea3i th\u1ef1c hi\u1ec7n th\u1eed nghi\u1ec7m trong \u0111i\u1ec1u ki\u1ec7n \u01b0\u1edbt.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u0110\u1ed9 b\u1ec1n k\u00e9o khi n\u1eafm c\u1ee7a v\u1ea3i \u0111\u1ecba k\u1ef9 thu\u1eadt<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ed9 b\u1ec1n k\u00e9o khi k\u1eb9p c\u1ee7a v\u1ea3i \u0111\u1ecba k\u1ef9 thu\u1eadt l\u00e0 l\u1ef1c t\u1ed1i \u0111a c\u1ea7n thi\u1ebft \u0111\u1ec3 l\u00e0m \u0111\u1ee9t m\u1eabu th\u1eed khi ch\u1ec9 c\u00f3 m\u1ed9t ph\u1ea7n chi\u1ec1u r\u1ed9ng c\u1ee7a m\u1eabu \u0111\u01b0\u1ee3c k\u1eb9p l\u1ea1i. Ti\u00eau chu\u1ea9n ASTM D4632 s\u1eed d\u1ee5ng m\u1eabu th\u1eed c\u00f3 k\u00edch th\u01b0\u1edbc 101,6 mm \u00d7 203,2 mm, trong khi c\u00e1c k\u1eb9p ch\u1ec9 k\u1eb9p ch\u1eb7t m\u1ed9t \u0111o\u1ea1n r\u1ed9ng 25,4 mm \u1edf gi\u1eefa.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1ch b\u1ed1 tr\u00ed k\u1eb9p m\u1ed9t ph\u1ea7n n\u00e0y cho ph\u00e9p c\u00e1c s\u1ee3i l\u00e2n c\u1eadn chia s\u1ebb t\u1ea3i tr\u1ecdng trong qu\u00e1 tr\u00ecnh th\u1eed nghi\u1ec7m. Do \u0111\u1eb7c t\u00ednh n\u00e0y, c\u00e1c gi\u00e1 tr\u1ecb \u0111\u1ed9 b\u1ec1n k\u00e9o khi k\u1eb9p th\u01b0\u1eddng cao h\u01a1n c\u00e1c gi\u00e1 tr\u1ecb \u0111\u1ed9 b\u1ec1n k\u00e9o khi th\u1eed tr\u00ean d\u1ea3i \u0111\u1ed1i v\u1edbi c\u00f9ng m\u1ed9t lo\u1ea1i v\u1eadt li\u1ec7u.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C\u1ea7n ph\u1ea3i ki\u1ec3m tra hai h\u01b0\u1edbng m\u1eabu:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>H\u01b0\u1edbng s\u1ee3i d\u1ecdc (MD)<\/li>\n\n\n\n<li>H\u01b0\u1edbng ngang so v\u1edbi m\u00e1y (CMD)<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">K\u1ebft qu\u1ea3 th\u01b0\u1eddng kh\u00e1c nhau do h\u01b0\u1edbng s\u1ee3i v\u00e0 quy tr\u00ecnh s\u1ea3n xu\u1ea5t t\u1ea1o ra c\u00e1c \u0111\u1eb7c t\u00ednh v\u1ec1 \u0111\u1ed9 b\u1ec1n kh\u00e1c nhau theo t\u1eebng h\u01b0\u1edbng.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ec3 \u0111\u1ea3m b\u1ea3o t\u00ednh tin c\u1eady c\u1ee7a ph\u00e2n t\u00edch th\u1ed1ng k\u00ea, h\u1ea7u h\u1ebft c\u00e1c ph\u00f2ng th\u00ed nghi\u1ec7m \u0111\u1ec1u ti\u1ebfn h\u00e0nh x\u00e9t nghi\u1ec7m \u00edt nh\u1ea5t m\u01b0\u1eddi m\u1eabu MD v\u00e0 m\u01b0\u1eddi m\u1eabu CMD trong tr\u01b0\u1eddng h\u1ee3p kh\u00f4ng c\u00f3 d\u1eef li\u1ec7u bi\u1ebfn \u0111\u1ed9ng l\u1ecbch s\u1eed.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Th\u1eed nghi\u1ec7m ch\u1ecbu t\u1ea3i \u0111\u1ed9t ng\u1ed9t c\u1ee7a v\u1ea3i \u0111\u1ecba k\u1ef9 thu\u1eadt<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Th\u1eed nghi\u1ec7m t\u1ea3i tr\u1ecdng \u0111\u1ee9t g\u00e3y c\u1ee7a v\u1ea3i \u0111\u1ecba k\u1ef9 thu\u1eadt nh\u1eb1m \u0111\u00e1nh gi\u00e1 l\u1ef1c c\u1ef1c \u0111\u1ea1i m\u00e0 m\u1eabu th\u1eed c\u00f3 th\u1ec3 ch\u1ecbu \u0111\u01b0\u1ee3c tr\u01b0\u1edbc khi b\u1ecb \u0111\u1ee9t. Quy tr\u00ecnh th\u1eed nghi\u1ec7m bao g\u1ed3m m\u1ed9t s\u1ed1 b\u01b0\u1edbc quan tr\u1ecdng sau:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u0110i\u1ec1u ki\u1ec7n h\u00f3a m\u1eabu th\u1eed \u1edf nhi\u1ec7t \u0111\u1ed9 21 \u00b1 2\u00b0C v\u00e0 \u0111\u1ed9 \u1ea9m t\u01b0\u01a1ng \u0111\u1ed1i 65 \u00b1 5%<\/li>\n\n\n\n<li>Chu\u1ea9n b\u1ecb c\u00e1c m\u1eabu c\u00f3 k\u00edch th\u01b0\u1edbc 101,6 mm \u00d7 203,2 mm<\/li>\n\n\n\n<li>\u0110\u1eb7t kho\u1ea3ng c\u00e1ch ban \u0111\u1ea7u gi\u1eefa hai h\u00e0m l\u00e0 75 \u00b1 1 mm<\/li>\n\n\n\n<li>S\u1eed d\u1ee5ng k\u1eb9p c\u00f3 b\u1ec1 m\u1eb7t k\u1eb9p c\u00f3 k\u00edch th\u01b0\u1edbc 25,4 mm \u00d7 50,8 mm<\/li>\n\n\n\n<li>Th\u1ef1c hi\u1ec7n th\u1eed nghi\u1ec7m \u1edf t\u1ed1c \u0111\u1ed9 300 mm\/ph\u00fat<\/li>\n\n\n\n<li>Ghi l\u1ea1i t\u1ea3i tr\u1ecdng t\u1ed1i \u0111a v\u00e0 \u0111\u1ed9 gi\u00e3n d\u00e0i<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">T\u1ea3i tr\u1ecdng \u0111\u1ee9t \u0111\u01b0\u1ee3c b\u00e1o c\u00e1o ph\u1ea3i bao g\u1ed3m gi\u00e1 tr\u1ecb trung b\u00ecnh v\u00e0 \u0111\u1ed9 l\u1ec7ch chu\u1ea9n cho c\u1ea3 hai h\u01b0\u1edbng MD v\u00e0 CMD.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ti\u00eau chu\u1ea9n n\u00e0y c\u0169ng y\u00eau c\u1ea7u c\u00e1c nh\u00e0 khai th\u00e1c lo\u1ea1i b\u1ecf c\u00e1c k\u1ebft qu\u1ea3 kh\u00f4ng h\u1ee3p l\u1ec7 n\u1ebfu:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>M\u1eabu v\u1eadt tr\u01b0\u1ee3t v\u00e0o b\u00ean trong c\u00e1c k\u1eb9p<\/li>\n\n\n\n<li>V\u1ebft n\u1ee9t xu\u1ea5t hi\u1ec7n t\u1ea1i m\u00e9p k\u1eb9p<\/li>\n\n\n\n<li>V\u1ea3i c\u00f3 th\u1ec3 k\u00e9o ra m\u00e0 kh\u00f4ng b\u1ecb r\u00e1ch<\/li>\n\n\n\n<li>K\u1ebft qu\u1ea3 n\u00e0y kh\u00e1c bi\u1ec7t r\u1ea5t l\u1edbn so v\u1edbi m\u1ee9c trung b\u00ecnh do m\u1ed9t l\u1ed7i v\u1eadn h\u00e0nh<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Th\u1eed nghi\u1ec7m \u0111\u1ed9 gi\u00e3n d\u00e0i khi k\u00e9o c\u1ee7a v\u1ea3i \u0111\u1ecba k\u1ef9 thu\u1eadt<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Th\u1eed nghi\u1ec7m \u0111\u1ed9 gi\u00e3n d\u00e0i khi ch\u1ecbu t\u1ea3i c\u1ee7a v\u1ea3i \u0111\u1ecba k\u1ef9 thu\u1eadt \u0111o \u0111\u1ed9 gi\u00e3n d\u00e0i c\u1ee7a m\u1eabu th\u1eed t\u1ea1i th\u1eddi \u0111i\u1ec3m ch\u1ecbu t\u1ea3i tr\u1ecdng c\u1ef1c \u0111\u1ea1i. \u0110\u1ed9 gi\u00e3n d\u00e0i cung c\u1ea5p th\u00f4ng tin quan tr\u1ecdng v\u1ec1 t\u00ednh linh ho\u1ea1t v\u00e0 h\u00e0nh vi bi\u1ebfn d\u1ea1ng c\u1ee7a v\u1eadt li\u1ec7u.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ed9 gi\u00e3n d\u00e0i cao c\u00f3 th\u1ec3 cho th\u1ea5y v\u1eadt li\u1ec7u \u0111\u1ecba k\u1ef9 thu\u1eadt c\u00f3 kh\u1ea3 n\u0103ng ch\u1ecbu bi\u1ebfn d\u1ea1ng l\u1edbn h\u01a1n tr\u01b0\u1edbc khi b\u1ecb \u0111\u1ee9t g\u00e3y. \u0110\u1ed9 gi\u00e3n d\u00e0i th\u1ea5p c\u00f3 th\u1ec3 cho th\u1ea5y c\u1ea5u tr\u00fac c\u1ee9ng h\u01a1n v\u1edbi kh\u1ea3 n\u0103ng co gi\u00e3n h\u1ea1n ch\u1ebf. C\u00e1c k\u1ef9 s\u01b0 th\u01b0\u1eddng \u0111\u00e1nh gi\u00e1 \u0111\u1ed9 gi\u00e3n d\u00e0i c\u00f9ng v\u1edbi t\u1ea3i tr\u1ecdng \u0111\u1ee9t g\u00e3y, b\u1edfi v\u00ec m\u1ed9t lo\u1ea1i v\u1ea3i c\u00f3 \u0111\u1ed9 b\u1ec1n cao nh\u01b0ng hi\u1ec7u su\u1ea5t gi\u00e3n d\u00e0i k\u00e9m c\u00f3 th\u1ec3 kh\u00f4ng ho\u1ea1t \u0111\u1ed9ng hi\u1ec7u qu\u1ea3 trong c\u00e1c \u1ee9ng d\u1ee5ng li\u00ean quan \u0111\u1ebfn chuy\u1ec3n \u0111\u1ed9ng, l\u00fan ho\u1eb7c t\u1ea3i tr\u1ecdng l\u1eb7p \u0111i l\u1eb7p l\u1ea1i.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ti\u00eau chu\u1ea9n ASTM D4632 y\u00eau c\u1ea7u ph\u00f2ng th\u00ed nghi\u1ec7m ph\u1ea3i ghi ch\u00e9p:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>S\u1ef1 t\u00e1ch r\u1eddi b\u1ec1 m\u1eb7t b\u00e1m \u1edf t\u1ea3i tr\u1ecdng c\u1ef1c \u0111\u1ea1i<\/li>\n\n\n\n<li>T\u1ea3i tr\u1ecdng t\u1ea1i \u0111i\u1ec3m \u0111\u1ee9t cu\u1ed1i c\u00f9ng<\/li>\n\n\n\n<li>S\u1ef1 t\u00e1ch r\u1eddi c\u1ee7a k\u1eb9p t\u1ea1i \u0111i\u1ec3m \u0111\u1ee9t cu\u1ed1i c\u00f9ng<\/li>\n\n\n\n<li>\u0110\u1ed9 gi\u00e3n d\u00e0i trung b\u00ecnh theo h\u01b0\u1edbng MD v\u00e0 CMD<\/li>\n\n\n\n<li>\u0110\u1ed9 l\u1ec7ch chu\u1ea9n theo t\u1eebng h\u01b0\u1edbng<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Nh\u1eefng ti\u00eau ch\u00ed n\u00e0y gi\u00fap ng\u01b0\u1eddi d\u00f9ng so s\u00e1nh c\u00e1c s\u1ea3n ph\u1ea9m t\u1eeb c\u00e1c nh\u00e0 cung c\u1ea5p kh\u00e1c nhau v\u00e0 ph\u00e1t hi\u1ec7n c\u00e1c v\u1ea5n \u0111\u1ec1 v\u1ec1 t\u00ednh nh\u1ea5t qu\u00e1n trong qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">M\u00e1y th\u1eed \u0111\u1ed9 b\u1ec1n k\u00e9o CRE theo ti\u00eau chu\u1ea9n ASTM D4632<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">M\u00e1y th\u1eed k\u00e9o CRE l\u00e0 thi\u1ebft b\u1ecb \u0111\u01b0\u1ee3c \u01b0u ti\u00ean s\u1eed d\u1ee5ng cho ti\u00eau chu\u1ea9n ASTM D4632 v\u00ec n\u00f3 mang l\u1ea1i kh\u1ea3 n\u0103ng ki\u1ec3m so\u00e1t \u0111\u1ed9 gi\u00e3n d\u00e0i ch\u00ednh x\u00e1c v\u00e0 l\u1eb7p l\u1ea1i cao h\u01a1n so v\u1edbi c\u00e1c h\u1ec7 th\u1ed1ng CRT. Trong tr\u01b0\u1eddng h\u1ee3p c\u00f3 tranh ch\u1ea5p gi\u1eefa c\u00e1c ph\u00f2ng th\u00ed nghi\u1ec7m, ph\u01b0\u01a1ng ph\u00e1p CRE s\u1ebd \u0111\u01b0\u1ee3c \u01b0u ti\u00ean \u00e1p d\u1ee5ng.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1ed9t m\u00e1y th\u1eed \u0111\u1ed9 b\u1ec1n k\u00e9o ph\u00f9 h\u1ee3p v\u1edbi ti\u00eau chu\u1ea9n ASTM D4632 c\u1ea7n ph\u1ea3i \u0111\u00e1p \u1ee9ng c\u00e1c y\u00eau c\u1ea7u sau:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Ki\u1ec3m so\u00e1t t\u1ed1c \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh<\/li>\n\n\n\n<li>\u0110o \u0111\u1ed9 d\u1ecbch chuy\u1ec3n ch\u00ednh x\u00e1c<\/li>\n\n\n\n<li>C\u00e1c t\u00f9y ch\u1ecdn tay c\u1ea7m linh ho\u1ea1t<\/li>\n\n\n\n<li>\u0110\u01b0\u1eddng cong t\u1ea3i-bi\u1ebfn d\u1ea1ng theo th\u1eddi gian th\u1ef1c<\/li>\n\n\n\n<li>C\u00e1c h\u00e0m t\u00ednh to\u00e1n th\u1ed1ng k\u00ea<\/li>\n\n\n\n<li>B\u00e1o c\u00e1o v\u1ec1 t\u1ea3i tr\u1ecdng c\u1ef1c \u0111\u1ea1i v\u00e0 \u0111\u1ed9 gi\u00e3n d\u00e0i<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Cell Instruments khuy\u1ebfn ngh\u1ecb s\u1eed d\u1ee5ng M\u00e1y th\u1eed \u0111\u1ed9 b\u1ec1n k\u00e9o TST-01 cho c\u00e1c \u1ee9ng d\u1ee5ng theo ti\u00eau chu\u1ea9n ASTM D4632. Thi\u1ebft b\u1ecb n\u00e0y h\u1ed7 tr\u1ee3 t\u1ed1c \u0111\u1ed9 th\u1eed nghi\u1ec7m t\u1eeb 1 \u0111\u1ebfn 500 mm\/ph\u00fat, d\u1ec5 d\u00e0ng \u0111\u00e1p \u1ee9ng y\u00eau c\u1ea7u 300 mm\/ph\u00fat c\u1ee7a ti\u00eau chu\u1ea9n. V\u1edbi h\u1ec7 th\u1ed1ng \u0111i\u1ec1u khi\u1ec3n d\u1ef1a tr\u00ean PLC, giao di\u1ec7n m\u00e0n h\u00ecnh c\u1ea3m \u1ee9ng 7 inch, tr\u1ee5c v\u00edt bi ch\u00ednh x\u00e1c v\u00e0 c\u00e1c k\u1eb9p c\u00f3 th\u1ec3 t\u00f9y ch\u1ec9nh, thi\u1ebft b\u1ecb n\u00e0y ph\u00f9 h\u1ee3p \u0111\u1ec3 th\u1eed nghi\u1ec7m c\u00e1c lo\u1ea1i v\u1ea3i \u0111\u1ecba k\u1ef9 thu\u1eadt d\u1ec7t, v\u1ea3i \u0111\u1ecba k\u1ef9 thu\u1eadt kh\u00f4ng d\u1ec7t, v\u1ea3i gia c\u1ed1 v\u00e0 c\u00e1c v\u1eadt li\u1ec7u c\u00f4ng nghi\u1ec7p kh\u00e1c.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">M\u00e1y TST-01 c\u0169ng c\u00f3 th\u1ec3 h\u1ed7 tr\u1ee3 c\u00e1c ph\u01b0\u01a1ng ph\u00e1p th\u1eed k\u00e9o v\u00e0 th\u1eed \u0111\u00e2m th\u1ee7ng li\u00ean quan kh\u00e1c, gi\u00fap c\u00e1c ph\u00f2ng th\u00ed nghi\u1ec7m m\u1edf r\u1ed9ng kh\u1ea3 n\u0103ng th\u1eed nghi\u1ec7m v\u1ea3i \u0111\u1ecba k\u1ef9 thu\u1eadt m\u00e0 kh\u00f4ng c\u1ea7n \u0111\u1ea7u t\u01b0 v\u00e0o nhi\u1ec1u m\u00e1y m\u00f3c.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">C\u00e1c y\u00eau c\u1ea7u quan tr\u1ecdng v\u1ec1 vi\u1ec7c chu\u1ea9n b\u1ecb m\u1eabu<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Vi\u1ec7c chu\u1ea9n b\u1ecb m\u1eabu \u0111\u00fang c\u00e1ch c\u00f3 \u1ea3nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn \u0111\u1ed9 ch\u00ednh x\u00e1c c\u1ee7a k\u1ebft qu\u1ea3 th\u1eed nghi\u1ec7m. Ti\u00eau chu\u1ea9n ASTM D4632 khuy\u1ebfn ngh\u1ecb:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>C\u1eaft m\u1eabu c\u00e1ch m\u00e9p v\u1ea3i \u00edt nh\u1ea5t 150 mm ho\u1eb7c b\u1eb1ng 1\/10 chi\u1ec1u r\u1ed9ng v\u1ea3i<\/li>\n\n\n\n<li>S\u1eed d\u1ee5ng c\u00e1c v\u1ecb tr\u00ed s\u1ee3i d\u1ecdc v\u00e0 s\u1ee3i ngang kh\u00e1c nhau cho t\u1eebng m\u1eabu th\u1eed<\/li>\n\n\n\n<li>C\u0103n ch\u1ec9nh chi\u1ec1u d\u00e0i c\u1ee7a m\u1eabu th\u1eed sao cho tr\u00f9ng v\u1edbi h\u01b0\u1edbng th\u1eed nghi\u1ec7m<\/li>\n\n\n\n<li>\u0110\u00e1nh d\u1ea5u c\u1ea9n th\u1eadn c\u00e1c m\u1eabu v\u1ea3i d\u1ec7t \u0111\u1ec3 duy tr\u00ec s\u1ef1 th\u1eb3ng h\u00e0ng c\u1ee7a s\u1ee3i<\/li>\n\n\n\n<li>Chu\u1ea9n b\u1ecb m\u1eabu th\u1eed trong \u00edt nh\u1ea5t 24 gi\u1edd tr\u01b0\u1edbc khi ti\u1ebfn h\u00e0nh th\u1eed nghi\u1ec7m<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ed1i v\u1edbi th\u1eed nghi\u1ec7m ng\u00e2m n\u01b0\u1edbc, ng\u01b0\u1eddi th\u1ef1c hi\u1ec7n c\u1ea7n ng\u00e2m m\u1eabu th\u1eed trong n\u01b0\u1edbc \u1edf nhi\u1ec7t \u0111\u1ed9 21 \u00b1 2\u00b0C trong \u00edt nh\u1ea5t hai ph\u00fat. M\u1ed9t s\u1ed1 v\u1eadt li\u1ec7u c\u00f3 th\u1ec3 c\u1ea7n th\u1eddi gian ng\u00e2m l\u00e2u h\u01a1n \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c \u0111\u1ed9 th\u1ea5m \u01b0\u1edbt ho\u00e0n to\u00e0n.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">T\u1ea1i sao ti\u00eau chu\u1ea9n ASTM D4632 l\u1ea1i quan tr\u1ecdng \u0111\u1ed1i v\u1edbi c\u00f4ng t\u00e1c ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Ti\u00eau chu\u1ea9n ASTM D4632 \u0111\u01b0a ra m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p th\u1ef1c ti\u1ec5n v\u00e0 c\u00f3 th\u1ec3 l\u1eb7p l\u1ea1i \u0111\u1ec3 so s\u00e1nh \u0111\u1ed9 b\u1ec1n v\u00e0 \u0111\u1ed9 gi\u00e3n d\u00e0i c\u1ee7a v\u1ea3i \u0111\u1ecba k\u1ef9 thu\u1eadt. Ti\u00eau chu\u1ea9n n\u00e0y gi\u00fap c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t duy tr\u00ec t\u00ednh nh\u1ea5t qu\u00e1n c\u1ee7a s\u1ea3n ph\u1ea9m v\u00e0 gi\u00fap ng\u01b0\u1eddi mua ki\u1ec3m tra ch\u1ea5t l\u01b0\u1ee3ng l\u00f4 h\u00e0ng.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y \u0111\u1eb7c bi\u1ec7t h\u1eefu \u00edch cho:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng s\u1ea3n xu\u1ea5t<\/li>\n\n\n\n<li>Ki\u1ec3m tra nguy\u00ean li\u1ec7u \u0111\u1ea7u v\u00e0o<\/li>\n\n\n\n<li>Ph\u00e1t tri\u1ec3n s\u1ea3n ph\u1ea9m<\/li>\n\n\n\n<li>Ti\u1ebfp nh\u1eadn l\u00f4 h\u00e0ng th\u01b0\u01a1ng m\u1ea1i<\/li>\n\n\n\n<li>So s\u00e1nh c\u00e1c nh\u00e0 cung c\u1ea5p<\/li>\n\n\n\n<li>Gi\u1ea3i quy\u1ebft tranh ch\u1ea5p gi\u1eefa c\u00e1c ph\u00f2ng th\u00ed nghi\u1ec7m<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">V\u00ec th\u1eed nghi\u1ec7m n\u00e0y m\u00f4 ph\u1ecfng s\u1ef1 \u0111\u00f3ng g\u00f3p c\u1ee7a c\u00e1c s\u1ee3i quang xung quanh, n\u00ean n\u00f3 th\u01b0\u1eddng ph\u1ea3n \u00e1nh ch\u00ednh x\u00e1c h\u01a1n hi\u1ec7u su\u1ea5t th\u1ef1c t\u1ebf t\u1ea1i hi\u1ec7n tr\u01b0\u1eddng so v\u1edbi th\u1eed nghi\u1ec7m d\u1ea3i to\u00e0n chi\u1ec1u r\u1ed9ng.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p<\/h2>\n\n\n\n<div data-wp-context=\"{ &quot;autoclose&quot;: false, &quot;accordionItems&quot;: [] }\" data-wp-interactive=\"core\/accordion\" role=\"group\" class=\"wp-block-accordion is-layout-flow wp-block-accordion-is-layout-flow\">\n<div data-wp-class--is-open=\"state.isOpen\" data-wp-context=\"{ &quot;id&quot;: &quot;accordion-item-1&quot;, &quot;openByDefault&quot;: false }\" data-wp-init=\"callbacks.initAccordionItems\" data-wp-on-window--hashchange=\"callbacks.hashChange\" class=\"wp-block-accordion-item is-layout-flow wp-block-accordion-item-is-layout-flow\">\n<h3 class=\"wp-block-accordion-heading\"><button aria-expanded=\"false\" aria-controls=\"accordion-item-1-panel\" data-wp-bind--aria-expanded=\"state.isOpen\" data-wp-on--click=\"actions.toggle\" data-wp-on--keydown=\"actions.handleKeyDown\" id=\"accordion-item-1\" type=\"button\" class=\"wp-block-accordion-heading__toggle\"><span class=\"wp-block-accordion-heading__toggle-title\">Ti\u00eau chu\u1ea9n ASTM D4632 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 l\u00e0m g\u00ec?<\/span><span class=\"wp-block-accordion-heading__toggle-icon\" aria-hidden=\"true\">+<\/span><\/button><\/h3>\n\n\n\n<div inert aria-labelledby=\"accordion-item-1\" data-wp-bind--inert=\"!state.isOpen\" id=\"accordion-item-1-panel\" role=\"region\" class=\"wp-block-accordion-panel is-layout-flow wp-block-accordion-panel-is-layout-flow\">\n<p class=\"wp-block-paragraph\">Ti\u00eau chu\u1ea9n ASTM D4632 d\u00f9ng \u0111\u1ec3 \u0111o t\u1ea3i tr\u1ecdng \u0111\u1ee9t khi th\u1eed k\u00e9o v\u00e0 \u0111\u1ed9 gi\u00e3n d\u00e0i c\u1ee7a v\u1ea3i \u0111\u1ecba k\u1ef9 thu\u1eadt nh\u1eb1m m\u1ee5c \u0111\u00edch ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng, so s\u00e1nh s\u1ea3n ph\u1ea9m v\u00e0 th\u1eed nghi\u1ec7m nghi\u1ec7m thu.<\/p>\n<\/div>\n<\/div>\n\n\n\n<div data-wp-class--is-open=\"state.isOpen\" data-wp-context=\"{ &quot;id&quot;: &quot;accordion-item-2&quot;, &quot;openByDefault&quot;: false }\" data-wp-init=\"callbacks.initAccordionItems\" data-wp-on-window--hashchange=\"callbacks.hashChange\" class=\"wp-block-accordion-item is-layout-flow wp-block-accordion-item-is-layout-flow\">\n<h3 class=\"wp-block-accordion-heading\"><button aria-expanded=\"false\" aria-controls=\"accordion-item-2-panel\" data-wp-bind--aria-expanded=\"state.isOpen\" data-wp-on--click=\"actions.toggle\" data-wp-on--keydown=\"actions.handleKeyDown\" id=\"accordion-item-2\" type=\"button\" class=\"wp-block-accordion-heading__toggle\"><span class=\"wp-block-accordion-heading__toggle-title\">Ti\u00eau chu\u1ea9n ASTM D4632 quy \u0111\u1ecbnh k\u00edch th\u01b0\u1edbc m\u1eabu th\u1eed nh\u01b0 th\u1ebf n\u00e0o?<\/span><span class=\"wp-block-accordion-heading__toggle-icon\" aria-hidden=\"true\">+<\/span><\/button><\/h3>\n\n\n\n<div inert aria-labelledby=\"accordion-item-2\" data-wp-bind--inert=\"!state.isOpen\" id=\"accordion-item-2-panel\" role=\"region\" class=\"wp-block-accordion-panel is-layout-flow wp-block-accordion-panel-is-layout-flow\">\n<p class=\"wp-block-paragraph\">Ti\u00eau chu\u1ea9n quy \u0111\u1ecbnh k\u00edch th\u01b0\u1edbc m\u1eabu l\u00e0 101,6 mm \u00d7 203,2 mm.<\/p>\n<\/div>\n<\/div>\n\n\n\n<div data-wp-class--is-open=\"state.isOpen\" data-wp-context=\"{ &quot;id&quot;: &quot;accordion-item-3&quot;, &quot;openByDefault&quot;: false }\" data-wp-init=\"callbacks.initAccordionItems\" data-wp-on-window--hashchange=\"callbacks.hashChange\" class=\"wp-block-accordion-item is-layout-flow wp-block-accordion-item-is-layout-flow\">\n<h3 class=\"wp-block-accordion-heading\"><button aria-expanded=\"false\" aria-controls=\"accordion-item-3-panel\" data-wp-bind--aria-expanded=\"state.isOpen\" data-wp-on--click=\"actions.toggle\" data-wp-on--keydown=\"actions.handleKeyDown\" id=\"accordion-item-3\" type=\"button\" class=\"wp-block-accordion-heading__toggle\"><span class=\"wp-block-accordion-heading__toggle-title\">Ti\u00eau chu\u1ea9n ASTM D4632 quy \u0111\u1ecbnh k\u00edch th\u01b0\u1edbc h\u00e0m l\u00e0 bao nhi\u00eau?<\/span><span class=\"wp-block-accordion-heading__toggle-icon\" aria-hidden=\"true\">+<\/span><\/button><\/h3>\n\n\n\n<div inert aria-labelledby=\"accordion-item-3\" data-wp-bind--inert=\"!state.isOpen\" id=\"accordion-item-3-panel\" role=\"region\" class=\"wp-block-accordion-panel is-layout-flow wp-block-accordion-panel-is-layout-flow\">\n<p class=\"wp-block-paragraph\">M\u1eb7t k\u1eb9p c\u1ee7a k\u1eb9p ph\u1ea3i c\u00f3 k\u00edch th\u01b0\u1edbc 25,4 mm \u00d7 50,8 mm.<\/p>\n<\/div>\n<\/div>\n\n\n\n<div data-wp-class--is-open=\"state.isOpen\" data-wp-context=\"{ &quot;id&quot;: &quot;accordion-item-4&quot;, &quot;openByDefault&quot;: false }\" data-wp-init=\"callbacks.initAccordionItems\" data-wp-on-window--hashchange=\"callbacks.hashChange\" class=\"wp-block-accordion-item is-layout-flow wp-block-accordion-item-is-layout-flow\">\n<h3 class=\"wp-block-accordion-heading\"><button aria-expanded=\"false\" aria-controls=\"accordion-item-4-panel\" data-wp-bind--aria-expanded=\"state.isOpen\" data-wp-on--click=\"actions.toggle\" data-wp-on--keydown=\"actions.handleKeyDown\" id=\"accordion-item-4\" type=\"button\" class=\"wp-block-accordion-heading__toggle\"><span class=\"wp-block-accordion-heading__toggle-title\">T\u1ed1c \u0111\u1ed9 th\u1eed nghi\u1ec7m quy \u0111\u1ecbnh trong ti\u00eau chu\u1ea9n ASTM D4632 l\u00e0 bao nhi\u00eau?<\/span><span class=\"wp-block-accordion-heading__toggle-icon\" aria-hidden=\"true\">+<\/span><\/button><\/h3>\n\n\n\n<div inert aria-labelledby=\"accordion-item-4\" data-wp-bind--inert=\"!state.isOpen\" id=\"accordion-item-4-panel\" role=\"region\" class=\"wp-block-accordion-panel is-layout-flow wp-block-accordion-panel-is-layout-flow\">\n<p class=\"wp-block-paragraph\">T\u1ed1c \u0111\u1ed9 th\u1eed nghi\u1ec7m ph\u1ea3i l\u00e0 300 mm\/ph\u00fat.<\/p>\n<\/div>\n<\/div>\n\n\n\n<div data-wp-class--is-open=\"state.isOpen\" data-wp-context=\"{ &quot;id&quot;: &quot;accordion-item-5&quot;, &quot;openByDefault&quot;: false }\" data-wp-init=\"callbacks.initAccordionItems\" data-wp-on-window--hashchange=\"callbacks.hashChange\" class=\"wp-block-accordion-item is-layout-flow wp-block-accordion-item-is-layout-flow\">\n<h3 class=\"wp-block-accordion-heading\"><button aria-expanded=\"false\" aria-controls=\"accordion-item-5-panel\" data-wp-bind--aria-expanded=\"state.isOpen\" data-wp-on--click=\"actions.toggle\" data-wp-on--keydown=\"actions.handleKeyDown\" id=\"accordion-item-5\" type=\"button\" class=\"wp-block-accordion-heading__toggle\"><span class=\"wp-block-accordion-heading__toggle-title\">Ti\u00eau chu\u1ea9n ASTM D4632 c\u00f3 th\u1ec3 d\u00f9ng \u0111\u1ec3 th\u1eed nghi\u1ec7m c\u00e1c m\u1eabu \u01b0\u1edbt kh\u00f4ng?<\/span><span class=\"wp-block-accordion-heading__toggle-icon\" aria-hidden=\"true\">+<\/span><\/button><\/h3>\n\n\n\n<div inert aria-labelledby=\"accordion-item-5\" data-wp-bind--inert=\"!state.isOpen\" id=\"accordion-item-5-panel\" role=\"region\" class=\"wp-block-accordion-panel is-layout-flow wp-block-accordion-panel-is-layout-flow\">\n<p class=\"wp-block-paragraph\">\u0110\u00fang v\u1eady. <a href=\"https:\/\/store.astm.org\/d4632_d4632m-15ar23.html\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">ASTM D4632<\/a> bao g\u1ed3m c\u00e1c quy tr\u00ecnh cho c\u1ea3 \u0111i\u1ec1u ki\u1ec7n th\u1eed nghi\u1ec7m kh\u00f4 v\u00e0 \u01b0\u1edbt.<\/p>\n<\/div>\n<\/div>\n\n\n\n<div data-wp-class--is-open=\"state.isOpen\" data-wp-context=\"{ &quot;id&quot;: &quot;accordion-item-6&quot;, &quot;openByDefault&quot;: false }\" data-wp-init=\"callbacks.initAccordionItems\" data-wp-on-window--hashchange=\"callbacks.hashChange\" class=\"wp-block-accordion-item is-layout-flow wp-block-accordion-item-is-layout-flow\">\n<h3 class=\"wp-block-accordion-heading\"><button aria-expanded=\"false\" aria-controls=\"accordion-item-6-panel\" data-wp-bind--aria-expanded=\"state.isOpen\" data-wp-on--click=\"actions.toggle\" data-wp-on--keydown=\"actions.handleKeyDown\" id=\"accordion-item-6\" type=\"button\" class=\"wp-block-accordion-heading__toggle\"><span class=\"wp-block-accordion-heading__toggle-title\">T\u1ea1i sao m\u00e1y th\u1eed \u0111\u1ed9 b\u1ec1n k\u00e9o CRE l\u1ea1i \u0111\u01b0\u1ee3c \u01b0a chu\u1ed9ng?<\/span><span class=\"wp-block-accordion-heading__toggle-icon\" aria-hidden=\"true\">+<\/span><\/button><\/h3>\n\n\n\n<div inert aria-labelledby=\"accordion-item-6\" data-wp-bind--inert=\"!state.isOpen\" id=\"accordion-item-6-panel\" role=\"region\" class=\"wp-block-accordion-panel is-layout-flow wp-block-accordion-panel-is-layout-flow\">\n<p class=\"wp-block-paragraph\">M\u00e1y th\u1eed k\u00e9o CRE mang l\u1ea1i kh\u1ea3 n\u0103ng ki\u1ec3m so\u00e1t \u0111\u1ed9 gi\u00e3n d\u00e0i ch\u00ednh x\u00e1c h\u01a1n v\u00e0 k\u1ebft qu\u1ea3 \u1ed5n \u0111\u1ecbnh h\u01a1n so v\u1edbi m\u00e1y CRT.<\/p>\n<\/div>\n<\/div>\n\n\n\n<div data-wp-class--is-open=\"state.isOpen\" data-wp-context=\"{ &quot;id&quot;: &quot;accordion-item-7&quot;, &quot;openByDefault&quot;: false }\" data-wp-init=\"callbacks.initAccordionItems\" data-wp-on-window--hashchange=\"callbacks.hashChange\" class=\"wp-block-accordion-item is-layout-flow wp-block-accordion-item-is-layout-flow\">\n<h3 class=\"wp-block-accordion-heading\"><button aria-expanded=\"false\" aria-controls=\"accordion-item-7-panel\" data-wp-bind--aria-expanded=\"state.isOpen\" data-wp-on--click=\"actions.toggle\" data-wp-on--keydown=\"actions.handleKeyDown\" id=\"accordion-item-7\" type=\"button\" class=\"wp-block-accordion-heading__toggle\"><span class=\"wp-block-accordion-heading__toggle-title\">\u0110i\u1ec1u g\u00ec g\u00e2y ra k\u1ebft qu\u1ea3 x\u00e9t nghi\u1ec7m kh\u00f4ng h\u1ee3p l\u1ec7?<\/span><span class=\"wp-block-accordion-heading__toggle-icon\" aria-hidden=\"true\">+<\/span><\/button><\/h3>\n\n\n\n<div inert aria-labelledby=\"accordion-item-7\" data-wp-bind--inert=\"!state.isOpen\" id=\"accordion-item-7-panel\" role=\"region\" class=\"wp-block-accordion-panel is-layout-flow wp-block-accordion-panel-is-layout-flow\">\n<p class=\"wp-block-paragraph\">T\u00ecnh tr\u1ea1ng k\u1eb9p b\u1ecb tr\u01b0\u1ee3t, m\u00e9p b\u1ecb g\u00e3y, v\u1ea3i b\u1ecb tu\u1ed9t ra v\u00e0 c\u00e1c gi\u00e1 tr\u1ecb th\u1ea5p b\u1ea5t th\u01b0\u1eddng do l\u1ed7i c\u1ee7a ng\u01b0\u1eddi v\u1eadn h\u00e0nh c\u00f3 th\u1ec3 khi\u1ebfn k\u1ebft qu\u1ea3 kh\u00f4ng h\u1ee3p l\u1ec7.<\/p>\n<\/div>\n<\/div>\n\n\n\n<div data-wp-class--is-open=\"state.isOpen\" data-wp-context=\"{ &quot;id&quot;: &quot;accordion-item-8&quot;, &quot;openByDefault&quot;: false }\" data-wp-init=\"callbacks.initAccordionItems\" data-wp-on-window--hashchange=\"callbacks.hashChange\" class=\"wp-block-accordion-item is-layout-flow wp-block-accordion-item-is-layout-flow\">\n<h3 class=\"wp-block-accordion-heading\"><button aria-expanded=\"false\" aria-controls=\"accordion-item-8-panel\" data-wp-bind--aria-expanded=\"state.isOpen\" data-wp-on--click=\"actions.toggle\" data-wp-on--keydown=\"actions.handleKeyDown\" id=\"accordion-item-8\" type=\"button\" class=\"wp-block-accordion-heading__toggle\"><span class=\"wp-block-accordion-heading__toggle-title\">N\u00ean x\u00e9t nghi\u1ec7m bao nhi\u00eau m\u1eabu?<\/span><span class=\"wp-block-accordion-heading__toggle-icon\" aria-hidden=\"true\">+<\/span><\/button><\/h3>\n\n\n\n<div inert aria-labelledby=\"accordion-item-8\" data-wp-bind--inert=\"!state.isOpen\" id=\"accordion-item-8-panel\" role=\"region\" class=\"wp-block-accordion-panel is-layout-flow wp-block-accordion-panel-is-layout-flow\">\n<p class=\"wp-block-paragraph\">H\u1ea7u h\u1ebft c\u00e1c ph\u00f2ng th\u00ed nghi\u1ec7m \u0111\u1ec1u ti\u1ebfn h\u00e0nh th\u1eed nghi\u1ec7m m\u01b0\u1eddi m\u1eabu theo h\u01b0\u1edbng d\u1ecdc m\u00e1y v\u00e0 m\u01b0\u1eddi m\u1eabu theo h\u01b0\u1edbng ngang m\u00e1y khi kh\u00f4ng c\u00f3 d\u1eef li\u1ec7u bi\u1ebfn \u0111\u1ed9ng l\u1ecbch s\u1eed.<\/p>\n<\/div>\n<\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>Ti\u00eau chu\u1ea9n ASTM D4632 \u0111\u00e1nh gi\u00e1 t\u1ea3i tr\u1ecdng \u0111\u1ee9t khi k\u1eb9p v\u00e0 \u0111\u1ed9 gi\u00e3n d\u00e0i c\u1ee7a v\u1ea3i \u0111\u1ecba k\u1ef9 thu\u1eadt b\u1eb1ng c\u00e1ch ch\u1ec9 k\u1eb9p m\u1ed9t ph\u1ea7n chi\u1ec1u r\u1ed9ng c\u1ee7a m\u1eabu th\u1eed trong qu\u00e1 tr\u00ecnh t\u1ea3i k\u00e9o. Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y gi\u00fap c\u00e1c ph\u00f2ng th\u00ed nghi\u1ec7m v\u00e0 nh\u00e0 s\u1ea3n xu\u1ea5t \u0111\u00e1nh gi\u00e1 \u0111\u1ed9 b\u1ec1n th\u1ef1c t\u1ebf c\u1ee7a v\u1ea3i, so s\u00e1nh c\u00e1c s\u1ea3n ph\u1ea9m, ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng s\u1ea3n xu\u1ea5t v\u00e0 x\u00e1c nh\u1eadn vi\u1ec7c ch\u1ea5p nh\u1eadn h\u00e0ng h\u00f3a khi giao nh\u1eadn.<\/p>","protected":false},"featured_media":0,"parent":0,"template":"","meta":{"_acf_changed":true},"standard-category":[56],"class_list":["post-1095","standard","type-standard","status-publish","hentry","standard-category-astm"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.geo-tester.com\/vi\/wp-json\/wp\/v2\/standard\/1095","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.geo-tester.com\/vi\/wp-json\/wp\/v2\/standard"}],"about":[{"href":"https:\/\/www.geo-tester.com\/vi\/wp-json\/wp\/v2\/types\/standard"}],"wp:attachment":[{"href":"https:\/\/www.geo-tester.com\/vi\/wp-json\/wp\/v2\/media?parent=1095"}],"wp:term":[{"taxonomy":"standard-category","embeddable":true,"href":"https:\/\/www.geo-tester.com\/vi\/wp-json\/wp\/v2\/standard-category?post=1095"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}