{"id":107,"count":6,"description":"<div class=\"mt-1\">\r\n<h2 class=\"astm-type-heading--h3 mb-0 mt-0\"><b class=\"name\">Quy tr\u00ecnh ti\u00eau chu\u1ea9n \u0111\u1ec3 x\u1eed l\u00fd v\u1eadt li\u1ec7u r\u00e0o c\u1ea3n d\u1ebbo nh\u1eb1m \u0111\u00e1nh gi\u00e1 \u0111\u1ed9 b\u1ec1n u\u1ed1n<\/b><\/h2>\r\n<\/div>\r\n<h3>V\u1eadt li\u1ec7u th\u1eed nghi\u1ec7m<\/h3>\r\nC\u00e1c t\u00e0i li\u1ec7u thi cho <a href=\"https:\/\/www.astm.org\/f0392_f0392m-21.html\" target=\"_blank\" rel=\"noopener\">Ti\u00eau chu\u1ea9n ASTMF392<\/a> ch\u1ee7 y\u1ebfu l\u00e0 c\u00e1c v\u1eadt li\u1ec7u \u0111\u00f3ng g\u00f3i, ch\u1eb3ng h\u1ea1n nh\u01b0 m\u00e0ng v\u00e0 v\u1eadt li\u1ec7u nhi\u1ec1u l\u1edbp, ph\u1ea3i ch\u1ecbu l\u1ef1c u\u1ed1n v\u00e0 \u1ee9ng su\u1ea5t. C\u00e1c v\u1eadt li\u1ec7u n\u00e0y ph\u1ea3i \u0111\u01b0\u1ee3c chu\u1ea9n b\u1ecb theo k\u00edch th\u01b0\u1edbc v\u00e0 \u0111i\u1ec1u ki\u1ec7n quy \u0111\u1ecbnh, nh\u1eb1m \u0111\u1ea3m b\u1ea3o t\u00ednh nh\u1ea5t qu\u00e1n trong qu\u00e1 tr\u00ecnh th\u1eed nghi\u1ec7m.\r\n<h3>Quy tr\u00ecnh ki\u1ec3m tra<\/h3>\r\nTheo ti\u00eau chu\u1ea9n ASTM F392, quy tr\u00ecnh th\u1eed nghi\u1ec7m bao g\u1ed3m vi\u1ec7c cho v\u1eadt li\u1ec7u th\u1eed nghi\u1ec7m ch\u1ecbu c\u00e1c chu k\u1ef3 u\u1ed1n l\u1eb7p \u0111i l\u1eb7p l\u1ea1i. V\u1eadt li\u1ec7u \u0111\u01b0\u1ee3c u\u1ed1n b\u1eb1ng m\u1ed9t thi\u1ebft b\u1ecb c\u1ed1 \u0111\u1ecbnh chuy\u00ean d\u1ee5ng, cho ph\u00e9p v\u1eadt li\u1ec7u tr\u1ea3i qua nhi\u1ec1u chu k\u1ef3 u\u1ed1n. Th\u1eed nghi\u1ec7m ti\u1ebfp t\u1ee5c cho \u0111\u1ebfn khi v\u1eadt li\u1ec7u b\u1ecb h\u1ecfng ho\u1eb7c \u0111\u1ea1t \u0111\u1ebfn s\u1ed1 chu k\u1ef3 quy \u0111\u1ecbnh, nh\u1eb1m m\u00f4 ph\u1ecfng \u1ee9ng su\u1ea5t m\u00e0 v\u1eadt li\u1ec7u s\u1ebd ph\u1ea3i ch\u1ecbu trong qu\u00e1 tr\u00ecnh \u0111\u00f3ng g\u00f3i ho\u1eb7c v\u1eadn chuy\u1ec3n.\r\n<h3>Gi\u1ea3i th\u00edch k\u1ebft qu\u1ea3 x\u00e9t nghi\u1ec7m<\/h3>\r\nK\u1ebft qu\u1ea3 \u0111\u01b0\u1ee3c ph\u00e2n t\u00edch d\u1ef1a tr\u00ean s\u1ed1 chu k\u1ef3 u\u1ed1n cong m\u00e0 v\u1eadt li\u1ec7u c\u00f3 th\u1ec3 ch\u1ecbu \u0111\u1ef1ng \u0111\u01b0\u1ee3c tr\u01b0\u1edbc khi b\u1ecb h\u1ecfng, \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh qua c\u00e1c v\u1ebft n\u1ee9t, r\u00e1ch ho\u1eb7c c\u00e1c d\u1ea5u hi\u1ec7u h\u01b0 h\u1ecfng kh\u00e1c. C\u00e1c v\u1eadt li\u1ec7u v\u01b0\u1ee3t qua b\u00e0i ki\u1ec3m tra cho th\u1ea5y \u0111\u1ed9 b\u1ec1n khi ch\u1ecbu t\u00e1c \u0111\u1ed9ng l\u1eb7p \u0111i l\u1eb7p l\u1ea1i, trong khi nh\u1eefng v\u1eadt li\u1ec7u kh\u00f4ng \u0111\u1ea1t y\u00eau c\u1ea7u c\u00f3 th\u1ec3 c\u1ea7n \u0111i\u1ec1u ch\u1ec9nh v\u1ec1 c\u00f4ng th\u1ee9c ho\u1eb7c thi\u1ebft k\u1ebf bao b\u00ec.","link":"https:\/\/www.qualitester.com\/vi\/danh-muc-san-pham-2\/astm\/astm-f392\/","name":"Ti\u00eau chu\u1ea9n ASTMF392","slug":"astm-f392","taxonomy":"product_cat","parent":99,"meta":[],"_links":{"self":[{"href":"https:\/\/www.qualitester.com\/vi\/wp-json\/wp\/v2\/product_cat\/107","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.qualitester.com\/vi\/wp-json\/wp\/v2\/product_cat"}],"about":[{"href":"https:\/\/www.qualitester.com\/vi\/wp-json\/wp\/v2\/taxonomies\/product_cat"}],"up":[{"embeddable":true,"href":"https:\/\/www.qualitester.com\/vi\/wp-json\/wp\/v2\/product_cat\/99"}],"wp:post_type":[{"href":"https:\/\/www.qualitester.com\/vi\/wp-json\/wp\/v2\/product?product_cat=107"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}