{"id":957,"date":"2026-03-24T08:22:46","date_gmt":"2026-03-24T08:22:46","guid":{"rendered":"https:\/\/www.teartester.com\/?p=957"},"modified":"2026-03-24T08:22:49","modified_gmt":"2026-03-24T08:22:49","slug":"tear-test-of-fabric","status":"publish","type":"post","link":"https:\/\/www.teartester.com\/vi\/tear-test-of-fabric\/","title":{"rendered":"Th\u1eed nghi\u1ec7m \u0111\u1ed9 r\u00e1ch c\u1ee7a v\u1ea3i: Nghi\u00ean c\u1ee9u \u0111\u1ed9 b\u1ec1n r\u00e1ch c\u1ee7a v\u1ea3i v\u00e0 ph\u01b0\u01a1ng ph\u00e1p ASTM D751"},"content":{"rendered":"

C\u00e1i Th\u1eed nghi\u1ec7m \u0111\u1ed9 b\u1ec1n r\u00e1ch c\u1ee7a v\u1ea3i<\/strong> l\u00e0 m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p \u0111\u00e1nh gi\u00e1 quan tr\u1ecdng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 \u0111o l\u01b0\u1eddng \u0111\u1ed9 b\u1ec1n v\u00e0 \u0111\u1ed9 ch\u1eafc ch\u1eafn c\u1ee7a v\u1ea3i trong c\u00e1c \u1ee9ng d\u1ee5ng kh\u00e1c nhau. D\u00f9 l\u00e0 trong s\u1ea3n xu\u1ea5t d\u1ec7t may, ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng hay l\u1ef1a ch\u1ecdn v\u1eadt li\u1ec7u, vi\u1ec7c hi\u1ec3u r\u00f5 \u0111\u1ed9 b\u1ec1n k\u00e9o c\u1ee7a v\u1ea3i<\/strong> l\u00e0 \u0111i\u1ec1u v\u00f4 c\u00f9ng quan tr\u1ecdng. Trong b\u00e0i vi\u1ebft n\u00e0y, ch\u00fang ta s\u1ebd t\u00ecm hi\u1ec3u v\u1ec1 Ph\u01b0\u01a1ng ph\u00e1p th\u1eed \u0111\u1ed9 b\u1ec1n r\u00e1ch c\u1ee7a v\u1ea3i<\/strong>, ASTM D751<\/strong>, v\u00e0 Th\u1eed nghi\u1ec7m \u0111\u1ed9 b\u1ec1n r\u00e1ch h\u00ecnh thang<\/strong>, gi\u00fap c\u00e1c chuy\u00ean gia trong ng\u00e0nh d\u1ec7t may th\u1ef1c hi\u1ec7n c\u00e1c th\u1eed nghi\u1ec7m v\u1eadt li\u1ec7u hi\u1ec7u qu\u1ea3 v\u00e0 \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 b\u1ec1n c\u1ee7a v\u1ea3i.<\/p>\n\n\n\n

\"Th\u1eed<\/figure>\n\n\n\n

Th\u1eed nghi\u1ec7m \u0111\u1ed9 r\u00e1ch c\u1ee7a v\u1ea3i l\u00e0 g\u00ec?<\/h2>\n\n\n\n

C\u00e1i Th\u1eed nghi\u1ec7m \u0111\u1ed9 b\u1ec1n r\u00e1ch c\u1ee7a v\u1ea3i<\/strong> bao g\u1ed3m vi\u1ec7c x\u00e1c \u0111\u1ecbnh kh\u1ea3 n\u0103ng ch\u1ed1ng r\u00e1ch c\u1ee7a v\u1ea3i trong c\u00e1c \u0111i\u1ec1u ki\u1ec7n c\u1ee5 th\u1ec3. Th\u1eed nghi\u1ec7m n\u00e0y r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 \u0111\u00e1nh gi\u00e1 kh\u1ea3 n\u0103ng ch\u1ecbu \u0111\u1ef1ng c\u00e1c t\u00e1c \u0111\u1ed9ng v\u1eadt l\u00fd c\u1ee7a v\u1eadt li\u1ec7u trong qu\u00e1 tr\u00ecnh s\u1eed d\u1ee5ng, \u0111\u1eb7c bi\u1ec7t l\u00e0 trong c\u00e1c ng\u00e0nh nh\u01b0 may m\u1eb7c, b\u1ecdc n\u1ec7m v\u00e0 d\u1ec7t may c\u00f4ng nghi\u1ec7p. B\u1eb1ng c\u00e1ch \u0111\u00e1nh gi\u00e1 \u0111\u1ed9 b\u1ec1n k\u00e9o c\u1ee7a v\u1ea3i<\/strong>, c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t c\u00f3 th\u1ec3 \u0111\u1ea3m b\u1ea3o r\u1eb1ng c\u00e1c v\u1eadt li\u1ec7u \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong s\u1ea3n ph\u1ea9m c\u1ee7a h\u1ecd s\u1ebd ch\u1ecbu \u0111\u01b0\u1ee3c s\u1ef1 m\u00e0i m\u00f2n kh\u1eafc nghi\u1ec7t trong qu\u00e1 tr\u00ecnh s\u1eed d\u1ee5ng h\u00e0ng ng\u00e0y.<\/p>\n\n\n\n

\u0110\u1ed9 b\u1ec1n k\u00e9o c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c \u0111o b\u1eb1ng nhi\u1ec1u ph\u01b0\u01a1ng ph\u00e1p kh\u00e1c nhau, bao g\u1ed3m ASTM D751<\/a><\/strong> v\u00e0 Th\u1eed nghi\u1ec7m r\u00e1ch h\u00ecnh thang<\/strong>. M\u1ed7i ph\u01b0\u01a1ng ph\u00e1p mang l\u1ea1i nh\u1eefng th\u00f4ng tin kh\u00e1c nhau v\u1ec1 kh\u1ea3 n\u0103ng ch\u1ed1ng r\u00e1ch c\u1ee7a v\u1ea3i, v\u00e0 vi\u1ec7c n\u1eafm r\u00f5 c\u00e1c y\u00eau c\u1ea7u c\u1ee5 th\u1ec3 c\u1ee7a t\u1eebng th\u1eed nghi\u1ec7m l\u00e0 \u0111i\u1ec1u c\u1ea7n thi\u1ebft \u0111\u1ec3 c\u00f3 \u0111\u01b0\u1ee3c k\u1ebft qu\u1ea3 ch\u00ednh x\u00e1c.<\/p>\n\n\n\n

\u0110\u1ed9 b\u1ec1n r\u00e1ch c\u1ee7a v\u1ea3i: C\u00e1c ph\u01b0\u01a1ng ph\u00e1p th\u1eed nghi\u1ec7m ch\u00ednh<\/h2>\n\n\n\n

M\u1ed9t trong nh\u1eefng kh\u00eda c\u1ea1nh c\u1ed1t l\u00f5i c\u1ee7a Th\u1eed nghi\u1ec7m \u0111\u1ed9 b\u1ec1n r\u00e1ch c\u1ee7a v\u1ea3i<\/strong> l\u00e0 ph\u00e9p \u0111o \u0111\u1ed9 b\u1ec1n k\u00e9o c\u1ee7a v\u1ea3i<\/strong>. . \u0111\u1ed9 b\u1ec1n k\u00e9o<\/strong> \u0111\u1ec1 c\u1eadp \u0111\u1ebfn l\u1ef1c c\u1ea7n thi\u1ebft \u0111\u1ec3 l\u00e0m r\u00e1ch m\u1ed9t m\u1eabu v\u1ea3i trong c\u00e1c \u0111i\u1ec1u ki\u1ec7n quy \u0111\u1ecbnh. \u0110i\u1ec1u n\u00e0y r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 \u0111\u00e1nh gi\u00e1 kh\u1ea3 n\u0103ng ch\u1ecbu l\u1ef1c c\u1ee7a v\u1ea3i trong c\u00e1c \u1ee9ng d\u1ee5ng th\u1ef1c t\u1ebf, ch\u1eb3ng h\u1ea1n nh\u01b0 trong l\u0129nh v\u1ef1c \u0111\u00f3ng g\u00f3i, may m\u1eb7c ho\u1eb7c c\u00f4ng nghi\u1ec7p.<\/p>\n\n\n\n

D\u01b0\u1edbi \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ed1 ph\u01b0\u01a1ng ph\u00e1p th\u1eed nghi\u1ec7m \u0111\u1ed9 b\u1ec1n r\u00e1ch c\u1ee7a v\u1ea3i ph\u1ed5 bi\u1ebfn nh\u1ea5t:<\/p>\n\n\n\n

ASTM D751: Ph\u01b0\u01a1ng ph\u00e1p th\u1eed ti\u00eau chu\u1ea9n \u0111\u1ed1i v\u1edbi v\u1ea3i tr\u00e1ng ph\u1ee7<\/h2>\n\n\n\n

ASTM D751<\/strong> tr\u00ecnh b\u00e0y c\u00e1c ph\u01b0\u01a1ng ph\u00e1p th\u1eed nghi\u1ec7m ti\u00eau chu\u1ea9n \u0111\u1ed1i v\u1edbi v\u1ea3i tr\u00e1ng ph\u1ee7, v\u00e0 n\u00f3 \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c x\u00e1c \u0111\u1ecbnh \u0111\u1ed9 b\u1ec1n k\u00e9o<\/strong>. Quy tr\u00ecnh th\u1eed nghi\u1ec7m bao g\u1ed3m vi\u1ec7c s\u1eed d\u1ee5ng m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p ki\u1ec3m tra grab<\/strong>, trong \u0111\u00f3 m\u1ed9t m\u1eabu v\u1ea3i \u0111\u01b0\u1ee3c \u0111\u1eb7t v\u00e0o m\u00e1y th\u1eed nghi\u1ec7m v\u00e0 ch\u1ecbu l\u1ef1c t\u00e1c \u0111\u1ed9ng cho \u0111\u1ebfn khi b\u1ecb \u0111\u1ee9t. Th\u1eed nghi\u1ec7m \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n b\u1eb1ng c\u00e1ch k\u00e9o v\u1ea3i theo m\u1ed9t h\u01b0\u1edbng nh\u1ea5t \u0111\u1ecbnh \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh \u0111\u1ed9 b\u1ec1n \u0111\u1ee9t c\u1ee7a n\u00f3.<\/p>\n\n\n\n

Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y th\u01b0\u1eddng \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng cho c\u00e1c lo\u1ea1i v\u1ea3i tr\u00e1ng ph\u1ee7, v\u00e0 k\u1ebft qu\u1ea3 th\u1eed nghi\u1ec7m gi\u00fap c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t \u0111\u00e1nh gi\u00e1 \u0111\u1ed9 b\u1ec1n c\u1ee7a v\u1ea3i trong \u0111i\u1ec1u ki\u1ec7n kh\u1eafc nghi\u1ec7t. Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y \u0111\u1ed9 b\u1ec1n k\u00e9o c\u1ee7a v\u1ea3i<\/strong> Vi\u1ec7c \u0111o l\u01b0\u1eddng theo ph\u01b0\u01a1ng ph\u00e1p n\u00e0y c\u00f3 \u00fd ngh\u0129a quan tr\u1ecdng \u0111\u1ed1i v\u1edbi c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p nh\u01b0 \u00f4 t\u00f4, h\u00e0ng h\u1ea3i v\u00e0 thi\u1ebft b\u1ecb ngo\u00e0i tr\u1eddi, n\u01a1i \u0111\u1ed9 b\u1ec1n c\u1ee7a v\u1ea3i l\u00e0 y\u1ebfu t\u1ed1 then ch\u1ed1t.<\/p>\n\n\n\n

Th\u1eed nghi\u1ec7m \u0111\u1ed9 b\u1ec1n r\u00e1ch h\u00ecnh thang<\/h2>\n\n\n\n

C\u00e1i Th\u1eed nghi\u1ec7m \u0111\u1ed9 b\u1ec1n r\u00e1ch h\u00ecnh thang<\/strong> l\u00e0 m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p kh\u00e1c th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 \u0111\u00e1nh gi\u00e1 \u0111\u1ed9 b\u1ec1n k\u00e9o c\u1ee7a v\u1ea3i<\/strong>. Trong th\u1eed nghi\u1ec7m n\u00e0y, m\u1eabu v\u1ea3i \u0111\u01b0\u1ee3c c\u1eaft th\u00e0nh h\u00ecnh ch\u1eef nh\u1eadt, v\u00e0 m\u1ed9t h\u00ecnh thang c\u00e2n \u0111\u01b0\u1ee3c \u0111\u00e1nh d\u1ea5u t\u1ea1i t\u00e2m c\u1ee7a m\u1eabu v\u1ea3i. M\u1ed9t v\u1ebft c\u1eaft nh\u1ecf \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n d\u1ecdc theo \u0111\u00e1y c\u1ee7a h\u00ecnh thang. Sau \u0111\u00f3, m\u1eabu v\u1ea3i \u0111\u01b0\u1ee3c \u0111\u1eb7t v\u00e0o m\u00e1y th\u1eed nghi\u1ec7m v\u00e0 l\u1ef1c \u0111\u01b0\u1ee3c t\u00e1c d\u1ee5ng \u0111\u1ec3 l\u00e0m r\u00e1ch v\u1ea3i d\u1ecdc theo v\u1ebft c\u1eaft h\u00ecnh thang.<\/p>\n\n\n\n

Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y \u0111\u1eb7c bi\u1ec7t h\u1eefu \u00edch \u0111\u1ed1i v\u1edbi c\u00e1c lo\u1ea1i v\u1ea3i c\u00f3 \u0111\u1ed9 b\u1ec1n k\u00e9o cao, v\u00ec n\u00f3 cho ph\u00e9p \u0111o l\u01b0\u1eddng \u0111\u1ed9 b\u1ec1n r\u00e1ch m\u1ed9t c\u00e1ch ch\u00ednh x\u00e1c h\u01a1n. K\u1ebft qu\u1ea3 c\u1ee7a Th\u1eed nghi\u1ec7m r\u00e1ch h\u00ecnh thang<\/strong> cung c\u1ea5p th\u00f4ng tin chi ti\u1ebft v\u1ec1 kh\u1ea3 n\u0103ng ch\u1ed1ng r\u00e1ch c\u1ee7a v\u1ea3i khi ph\u1ea3i ch\u1ecbu l\u1ef1c t\u00e1c \u0111\u1ed9ng m\u1ea1nh.<\/p>\n\n\n\n

T\u1ea7m quan tr\u1ecdng c\u1ee7a th\u1eed nghi\u1ec7m \u0111\u1ed9 b\u1ec1n r\u00e1ch \u0111\u1ed1i v\u1edbi \u0111\u1ed9 b\u1ec1n c\u1ee7a v\u1ea3i<\/h2>\n\n\n\n

Th\u1eed nghi\u1ec7m \u0111\u1ed9 b\u1ec1n r\u00e1ch<\/strong> l\u00e0 y\u1ebfu t\u1ed1 then ch\u1ed1t \u0111\u1ec3 \u0111\u00e1nh gi\u00e1 \u0111\u1ed9 b\u1ec1n k\u00e9o c\u1ee7a v\u1ea3i<\/strong>, \u0111\u1eb7c bi\u1ec7t l\u00e0 trong c\u00e1c \u1ee9ng d\u1ee5ng m\u00e0 v\u1ea3i ph\u1ea3i ch\u1ecbu s\u1ef1 m\u00e0i m\u00f2n, k\u00e9o gi\u00e3n ho\u1eb7c r\u00e1ch li\u00ean t\u1ee5c. K\u1ebft qu\u1ea3 c\u1ee7a th\u1eed nghi\u1ec7m \u0111\u1ed9 r\u00e1ch gi\u00fap c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t l\u1ef1a ch\u1ecdn v\u1eadt li\u1ec7u ph\u00f9 h\u1ee3p cho t\u1eebng \u1ee9ng d\u1ee5ng c\u1ee5 th\u1ec3, \u0111\u1ea3m b\u1ea3o r\u1eb1ng v\u1ea3i \u0111\u00e1p \u1ee9ng c\u00e1c ti\u00eau chu\u1ea9n v\u1ec1 \u0111\u1ed9 b\u1ec1n c\u1ea7n thi\u1ebft.<\/p>\n\n\n\n

Trong c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p nh\u01b0 may m\u1eb7c, bao b\u00ec v\u00e0 b\u1ecdc n\u1ec7m, kh\u1ea3 n\u0103ng ch\u1ed1ng r\u00e1ch c\u1ee7a v\u1ea3i l\u00e0 y\u1ebfu t\u1ed1 quy\u1ebft \u0111\u1ecbnh \u0111\u1ebfn hi\u1ec7u su\u1ea5t c\u1ee7a s\u1ea3n ph\u1ea9m. V\u00ed d\u1ee5, trong l\u0129nh v\u1ef1c bao b\u00ec, kh\u1ea3 n\u0103ng ch\u1ed1ng r\u00e1ch<\/strong> Ch\u1ea5t li\u1ec7u n\u00e0y \u0111\u1ea3m b\u1ea3o s\u1ea3n ph\u1ea9m c\u00f3 th\u1ec3 ch\u1ecbu \u0111\u01b0\u1ee3c qu\u00e1 tr\u00ecnh b\u1ed1c d\u1ee1 v\u00e0 v\u1eadn chuy\u1ec3n m\u00e0 kh\u00f4ng l\u00e0m \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn ch\u1ea5t l\u01b0\u1ee3ng c\u1ee7a s\u1ea3n ph\u1ea9m b\u00ean trong.<\/p>\n\n\n\n

T\u1ea1i sao n\u00ean ch\u1ecdn Cell Instruments \u0111\u1ec3 th\u1ef1c hi\u1ec7n th\u1eed nghi\u1ec7m \u0111\u1ed9 r\u00e1ch v\u1ea3i?<\/h2>\n\n\n\n

\u0110\u1ec3 c\u00f3 \u0111\u01b0\u1ee3c k\u1ebft qu\u1ea3 ki\u1ec3m tra v\u1ea3i ch\u00ednh x\u00e1c v\u00e0 \u0111\u00e1ng tin c\u1eady, Cell Instruments<\/strong> cung c\u1ea5p \u0111a d\u1ea1ng c\u00e1c m\u00e1y ki\u1ec3m tra \u0111\u1ed9 b\u1ec1n k\u00e9o<\/strong> tu\u00e2n th\u1ee7 c\u00e1c ti\u00eau chu\u1ea9n ASTM. S\u1ea3n ph\u1ea9m c\u1ee7a ch\u00fang t\u00f4i m\u00e1y ki\u1ec3m tra \u0111\u1ed9 b\u1ec1n k\u00e9o<\/strong> \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 cung c\u1ea5p c\u00e1c k\u1ebft qu\u1ea3 \u0111o l\u01b0\u1eddng ch\u00ednh x\u00e1c v\u1ec1 \u0111\u1ed9 b\u1ec1n k\u00e9o c\u1ee7a v\u1ea3i<\/strong>, khi\u1ebfn ch\u00fang tr\u1edf th\u00e0nh l\u1ef1a ch\u1ecdn l\u00fd t\u01b0\u1edfng cho c\u00e1c chuy\u00ean gia trong ng\u00e0nh d\u1ec7t may v\u00e0 ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng.<\/p>\n\n\n\n

Cho d\u00f9 b\u1ea1n c\u1ea7n th\u1ef1c hi\u1ec7n m\u1ed9t Th\u1eed nghi\u1ec7m \u0111\u1ed9 b\u1ec1n r\u00e1ch h\u00ecnh thang<\/strong> ho\u1eb7c \u0111\u00e1nh gi\u00e1 \u0110\u1ed9 b\u1ec1n k\u00e9o theo ti\u00eau chu\u1ea9n ASTM D751<\/strong>, c\u00e1c gi\u1ea3i ph\u00e1p ki\u1ec3m tra ti\u00ean ti\u1ebfn c\u1ee7a ch\u00fang t\u00f4i s\u1ebd gi\u00fap qu\u00fd v\u1ecb thu \u0111\u01b0\u1ee3c k\u1ebft qu\u1ea3 ch\u00ednh x\u00e1c v\u00e0 c\u00f3 th\u1ec3 l\u1eb7p l\u1ea1i.<\/p>\n\n\n\n

K\u1ebft lu\u1eadn: Th\u1eed nghi\u1ec7m \u0111\u1ed9 b\u1ec1n k\u00e9o v\u00e0 \u0111\u1ed9 b\u1ec1n c\u1ee7a v\u1ea3i<\/h2>\n\n\n\n

C\u00e1i Th\u1eed nghi\u1ec7m \u0111\u1ed9 b\u1ec1n r\u00e1ch c\u1ee7a v\u1ea3i<\/strong> l\u00e0 m\u1ed9t quy tr\u00ecnh thi\u1ebft y\u1ebfu \u0111\u1ec3 \u0111\u00e1nh gi\u00e1 \u0111\u1ed9 b\u1ec1n k\u00e9o c\u1ee7a v\u1ea3i<\/strong>, \u0111\u1ea3m b\u1ea3o r\u1eb1ng c\u00e1c v\u1eadt li\u1ec7u \u0111\u00e1p \u1ee9ng c\u00e1c ti\u00eau chu\u1ea9n v\u1ec1 \u0111\u1ed9 b\u1ec1n c\u1ea7n thi\u1ebft cho c\u00e1c \u1ee9ng d\u1ee5ng kh\u00e1c nhau. B\u1eb1ng c\u00e1ch \u00e1p d\u1ee5ng c\u00e1c ti\u00eau chu\u1ea9n nh\u01b0 ASTM D751<\/strong> v\u00e0 Th\u1eed nghi\u1ec7m \u0111\u1ed9 b\u1ec1n r\u00e1ch h\u00ecnh thang<\/strong>, c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t c\u00f3 th\u1ec3 \u0111\u01b0a ra nh\u1eefng quy\u1ebft \u0111\u1ecbnh s\u00e1ng su\u1ed1t v\u1ec1 vi\u1ec7c l\u1ef1a ch\u1ecdn v\u1eadt li\u1ec7u v\u00e0 ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng.<\/p>\n\n\n\n

T\u1ea1i Cell Instruments<\/strong>, ch\u00fang t\u00f4i lu\u00f4n n\u1ed7 l\u1ef1c cung c\u1ea5p c\u00e1c thi\u1ebft b\u1ecb th\u1eed nghi\u1ec7m ch\u1ea5t l\u01b0\u1ee3ng cao \u0111\u1ec3 gi\u00fap qu\u00fd kh\u00e1ch \u0111o l\u01b0\u1eddng ch\u00ednh x\u00e1c \u0111\u1ed9 b\u1ec1n v\u00e0 \u0111\u1ed9 b\u1ec1n c\u1ee7a v\u1ea3i. N\u1ebfu qu\u00fd kh\u00e1ch c\u1ea7n th\u00eam th\u00f4ng tin v\u1ec1 m\u00e1y ki\u1ec3m tra \u0111\u1ed9 b\u1ec1n k\u00e9o<\/strong> ho\u1eb7c c\u00e1c gi\u1ea3i ph\u00e1p ki\u1ec3m tra kh\u00e1c, h\u00e3y li\u00ean h\u1ec7 v\u1edbi ch\u00fang t\u00f4i ngay h\u00f4m nay.<\/p>","protected":false},"excerpt":{"rendered":"

Th\u1eed nghi\u1ec7m \u0111\u1ed9 b\u1ec1n r\u00e1ch c\u1ee7a v\u1ea3i l\u00e0 m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p \u0111\u00e1nh gi\u00e1 thi\u1ebft y\u1ebfu nh\u1eb1m \u0111o l\u01b0\u1eddng \u0111\u1ed9 b\u1ec1n v\u00e0 s\u1ee9c ch\u1ecbu l\u1ef1c c\u1ee7a v\u1ea3i trong c\u00e1c \u1ee9ng d\u1ee5ng kh\u00e1c nhau. D\u00f9 l\u00e0 trong s\u1ea3n xu\u1ea5t d\u1ec7t may, ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng hay l\u1ef1a ch\u1ecdn v\u1eadt li\u1ec7u, vi\u1ec7c hi\u1ec3u r\u00f5 \u0111\u1ed9 b\u1ec1n r\u00e1ch c\u1ee7a v\u1ea3i l\u00e0 v\u00f4 c\u00f9ng quan tr\u1ecdng. Trong b\u00e0i vi\u1ebft n\u00e0y, ch\u00fang ta s\u1ebd t\u00ecm hi\u1ec3u v\u1ec1 ph\u01b0\u01a1ng ph\u00e1p th\u1eed \u0111\u1ed9 b\u1ec1n r\u00e1ch v\u1ea3i theo ti\u00eau chu\u1ea9n ASTM D751 v\u00e0 \u0111\u1ed9 b\u1ec1n r\u00e1ch h\u00ecnh thang [\u2026]<\/p>","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[],"class_list":["post-957","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.teartester.com\/vi\/wp-json\/wp\/v2\/posts\/957","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.teartester.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.teartester.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.teartester.com\/vi\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.teartester.com\/vi\/wp-json\/wp\/v2\/comments?post=957"}],"version-history":[{"count":2,"href":"https:\/\/www.teartester.com\/vi\/wp-json\/wp\/v2\/posts\/957\/revisions"}],"predecessor-version":[{"id":960,"href":"https:\/\/www.teartester.com\/vi\/wp-json\/wp\/v2\/posts\/957\/revisions\/960"}],"wp:attachment":[{"href":"https:\/\/www.teartester.com\/vi\/wp-json\/wp\/v2\/media?parent=957"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.teartester.com\/vi\/wp-json\/wp\/v2\/categories?post=957"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.teartester.com\/vi\/wp-json\/wp\/v2\/tags?post=957"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}