{"id":1284,"date":"2026-02-02T08:40:08","date_gmt":"2026-02-02T08:40:08","guid":{"rendered":"https:\/\/www.wrapfilmtest.com\/?p=1284"},"modified":"2026-02-02T08:40:09","modified_gmt":"2026-02-02T08:40:09","slug":"cast-stretch-film-test","status":"publish","type":"post","link":"https:\/\/www.wrapfilmtest.com\/vi\/cast-stretch-film-test","title":{"rendered":"Th\u1eed nghi\u1ec7m k\u00e9o c\u0103ng m\u00e0ng b\u1ecdc \u0111\u1ec3 \u0111\u00e1nh gi\u00e1 \u0111\u1ed9 b\u1ec1n c\u1ee7a m\u00e0ng nh\u1ef1a"},"content":{"rendered":"

C\u00e1c Th\u1eed nghi\u1ec7m m\u00e0ng co k\u00e9o<\/strong> l\u00e0 m\u1ed9t quy tr\u00ecnh quan tr\u1ecdng \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh \u0111\u1ed9 b\u1ec1n v\u00e0 \u0111\u1ed9 b\u1ec1n c\u1ee7a m\u00e0ng nh\u1ef1a \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p kh\u00e1c nhau nh\u01b0 \u0111\u00f3ng g\u00f3i v\u00e0 s\u1ea3n xu\u1ea5t. Th\u1eed nghi\u1ec7m n\u00e0y \u0111\u00e1nh gi\u00e1 kh\u1ea3 n\u0103ng ch\u1ed1ng l\u1ea1i c\u00e1c l\u1ef1c c\u00f3 th\u1ec3 khi\u1ebfn m\u00e0ng nh\u1ef1a b\u1ecb k\u00e9o gi\u00e3n ho\u1eb7c \u0111\u1ee9t. Ti\u00eau chu\u1ea9n ASTMD882<\/strong><\/a> Ti\u00eau chu\u1ea9n n\u00e0y \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng r\u1ed9ng r\u00e3i \u0111\u1ec3 th\u1ef1c hi\u1ec7n c\u00e1c th\u1eed nghi\u1ec7m n\u00e0y, mang l\u1ea1i nh\u1eefng th\u00f4ng tin qu\u00fd gi\u00e1 v\u1ec1 t\u00ednh n\u0103ng c\u1ee7a v\u1eadt li\u1ec7u.<\/p>\n\n\n\n

T\u1ea1i Cell Instruments, ch\u00fang t\u00f4i chuy\u00ean cung c\u1ea5p c\u00e1c gi\u1ea3i ph\u00e1p ki\u1ec3m tra cho v\u1eadt li\u1ec7u \u0111\u00f3ng g\u00f3i nh\u01b0 m\u00e0ng co, nh\u1eb1m \u0111\u1ea3m b\u1ea3o c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t \u0111\u00e1p \u1ee9ng c\u00e1c ti\u00eau chu\u1ea9n ng\u00e0nh v\u1ec1 ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 hi\u1ec7u su\u1ea5t.<\/p>\n\n\n\n

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

ASTM D882: Ph\u01b0\u01a1ng ph\u00e1p th\u1eed ti\u00eau chu\u1ea9n \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh c\u00e1c t\u00ednh ch\u1ea5t c\u01a1 h\u1ecdc k\u00e9o c\u1ee7a m\u00e0ng nh\u1ef1a<\/h2>\n\n\n\n

C\u00e1c Ti\u00eau chu\u1ea9n ASTMD882<\/strong> ti\u00eau chu\u1ea9n n\u00e0y quy \u0111\u1ecbnh c\u00e1c ph\u01b0\u01a1ng ph\u00e1p th\u1eed nghi\u1ec7m \u0111\u1ec3 \u0111o l\u01b0\u1eddng t\u00ednh ch\u1ea5t c\u01a1 h\u1ecdc v\u1ec1 \u0111\u1ed9 b\u1ec1n k\u00e9o<\/strong> c\u1ee7a t\u1ea5m nh\u1ef1a m\u1ecfng. Ti\u00eau chu\u1ea9n n\u00e0y \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng \u0111\u1ed1i v\u1edbi c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t c\u1ea7n \u0111\u00e1nh gi\u00e1 \u0111\u1ed9 b\u1ec1n k\u00e9o c\u1ee7a nh\u1ef1a<\/strong> V\u00e0 s\u1ef1 k\u00e9o d\u00e0i c\u1ee7a m\u00e0ng<\/strong> c\u1ee7a c\u00e1c s\u1ea3n ph\u1ea9m c\u1ee7a h\u1ecd. C\u00e1c Th\u1eed nghi\u1ec7m m\u00e0ng co k\u00e9o<\/strong> Ti\u00eau chu\u1ea9n ASTM D882 d\u00f9ng \u0111\u1ec3 \u0111o l\u01b0\u1eddng l\u1ef1c m\u00e0 m\u00e0ng nh\u1ef1a c\u00f3 th\u1ec3 ch\u1ecbu \u0111\u1ef1ng \u0111\u01b0\u1ee3c tr\u01b0\u1edbc khi b\u1ecb \u0111\u1ee9t.<\/p>\n\n\n\n

B\u1eb1ng c\u00e1ch th\u1ef1c hi\u1ec7n th\u1eed nghi\u1ec7m n\u00e0y, c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t c\u00f3 th\u1ec3 \u0111\u00e1nh gi\u00e1 s\u1ee9c b\u1ec1n k\u00e9o<\/strong> (l\u1ef1c c\u1ea7n thi\u1ebft \u0111\u1ec3 l\u00e0m g\u00e3y v\u1eadt li\u1ec7u) v\u00e0 s\u1ef1 k\u00e9o d\u00e0i<\/strong> (\u0111\u1ed9 gi\u00e3n c\u1ee7a v\u1eadt li\u1ec7u tr\u01b0\u1edbc khi \u0111\u1ee9t). Nh\u1eefng \u0111\u1eb7c t\u00ednh n\u00e0y r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh m\u1ee9c \u0111\u1ed9 ph\u00f9 h\u1ee3p c\u1ee7a m\u00e0ng trong \u0111\u00f3ng g\u00f3i, \u0111\u1ea3m b\u1ea3o r\u1eb1ng n\u00f3 c\u00f3 th\u1ec3 ch\u1ecbu \u0111\u01b0\u1ee3c nh\u1eefng \u0111i\u1ec1u ki\u1ec7n kh\u1eafc nghi\u1ec7t trong qu\u00e1 tr\u00ecnh b\u1ea3o qu\u1ea3n v\u00e0 v\u1eadn chuy\u1ec3n.<\/p>\n\n\n\n

Vai tr\u00f2 c\u1ee7a th\u1eed nghi\u1ec7m \u0111\u1ed9 b\u1ec1n k\u00e9o nh\u1ef1a<\/h2>\n\n\n\n

M\u1ed8T Th\u1eed nghi\u1ec7m \u0111\u1ed9 b\u1ec1n k\u00e9o c\u1ee7a nh\u1ef1a<\/strong> \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c \u0111\u00e1nh gi\u00e1 c\u00e1c t\u00ednh ch\u1ea5t c\u01a1 h\u1ecdc c\u1ee7a m\u00e0ng co gi\u00e3n. Th\u1eed nghi\u1ec7m n\u00e0y bao g\u1ed3m vi\u1ec7c k\u00e9o m\u1ed9t m\u1eabu m\u00e0ng gi\u1eefa hai k\u1eb9p, \u0111\u1ed3ng th\u1eddi t\u00e1c d\u1ee5ng l\u1ef1c cho \u0111\u1ebfn khi m\u00e0ng b\u1ecb \u0111\u1ee9t. K\u1ebft qu\u1ea3 cung c\u1ea5p d\u1eef li\u1ec7u quan tr\u1ecdng v\u1ec1 \u0111\u1ed9 b\u1ec1n c\u1ee7a m\u00e0ng v\u00e0 l\u1ef1c t\u1ed1i \u0111a m\u00e0 m\u00e0ng c\u00f3 th\u1ec3 ch\u1ecbu \u0111\u1ef1ng tr\u01b0\u1edbc khi b\u1ecb \u0111\u1ee9t.<\/p>\n\n\n\n

C\u00e1c \u0111\u1ed9 b\u1ec1n k\u00e9o c\u1ee7a m\u00e0ng<\/strong> d\u1eef li\u1ec7u t\u1eeb Th\u1eed nghi\u1ec7m m\u00e0ng co k\u00e9o<\/strong> c\u00f3 th\u1ec3 gi\u00fap c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t l\u1ef1a ch\u1ecdn v\u1eadt li\u1ec7u ph\u00f9 h\u1ee3p cho c\u00e1c \u1ee9ng d\u1ee5ng kh\u00e1c nhau, \u0111\u1ea3m b\u1ea3o m\u00e0ng nh\u1ef1a v\u1eabn ho\u1ea1t \u0111\u1ed9ng t\u1ed1t d\u01b0\u1edbi t\u00e1c \u0111\u1ed9ng c\u1ee7a c\u00e1c l\u1ef1c t\u00e1c \u0111\u1ed9ng m\u00e0 kh\u00f4ng b\u1ecb r\u00e1ch hay \u0111\u1ee9t. \u0110\u1ed1i v\u1edbi c\u00e1c v\u1eadt li\u1ec7u \u0111\u00f3ng g\u00f3i c\u1ea7n ch\u1ecbu \u0111\u01b0\u1ee3c qu\u00e1 tr\u00ecnh x\u1eed l\u00fd, v\u1eadn chuy\u1ec3n v\u00e0 c\u00e1c y\u1ebfu t\u1ed1 m\u00f4i tr\u01b0\u1eddng, th\u1eed nghi\u1ec7m n\u00e0y l\u00e0 kh\u00f4ng th\u1ec3 thi\u1ebfu.<\/p>\n\n\n\n

\u0110o \u0111\u1ed9 gi\u00e3n d\u00e0i v\u00e0 kh\u1ea3 n\u0103ng ch\u1ecbu va \u0111\u1eadp<\/h2>\n\n\n\n

Ngo\u00e0i \u0111\u1ed9 b\u1ec1n k\u00e9o, th\u1eed nghi\u1ec7m \u0111\u1ed9 gi\u00e3n d\u00e0i<\/strong> l\u00e0 m\u1ed9t th\u00e0nh ph\u1ea7n quan tr\u1ecdng kh\u00e1c c\u1ee7a Th\u1eed nghi\u1ec7m m\u00e0ng co k\u00e9o<\/strong>. \u0110\u1ed9 gi\u00e3n d\u00e0i l\u00e0 kh\u1ea3 n\u0103ng k\u00e9o d\u00e3n c\u1ee7a m\u00e0ng m\u00e0 kh\u00f4ng b\u1ecb \u0111\u1ee9t. T\u00ednh ch\u1ea5t n\u00e0y \u0111\u1eb7c bi\u1ec7t quan tr\u1ecdng \u0111\u1ed1i v\u1edbi m\u00e0ng co d\u00f9ng trong vi\u1ec7c b\u1ecdc v\u00e0 \u0111\u00f3ng g\u00f3i, v\u00ec n\u00f3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn kh\u1ea3 n\u0103ng m\u00e0ng \u00f4m s\u00e1t h\u00ecnh d\u1ea1ng c\u1ee7a s\u1ea3n ph\u1ea9m c\u1ea7n b\u1ea3o v\u1ec7.<\/p>\n\n\n\n

\u0110\u1ec3 th\u1ef1c hi\u1ec7n m\u1ed9t Th\u1eed nghi\u1ec7m k\u00e9o d\u00e0i<\/strong>, m\u00e0ng \u0111\u01b0\u1ee3c k\u00e9o gi\u00e3n v\u1edbi t\u1ed1c \u0111\u1ed9 \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t cho \u0111\u1ebfn khi b\u1ecb \u0111\u1ee9t. T\u1ef7 l\u1ec7 gi\u00e3n d\u00e0i tr\u01b0\u1edbc khi \u0111\u1ee9t gi\u00fap x\u00e1c \u0111\u1ecbnh \u0111\u1ed9 d\u1ebbo dai v\u00e0 kh\u1ea3 n\u0103ng co gi\u00e3n c\u1ee7a m\u00e0ng, \u0111\u00e2y l\u00e0 nh\u1eefng \u0111\u1eb7c t\u00ednh quan tr\u1ecdng \u0111\u1ed1i v\u1edbi nhi\u1ec1u \u1ee9ng d\u1ee5ng \u0111\u00f3ng g\u00f3i. C\u00e1c lo\u1ea1i m\u00e0ng c\u00f3 t\u1ef7 l\u1ec7 gi\u00e3n d\u00e0i cao h\u01a1n s\u1ebd ph\u00f9 h\u1ee3p h\u01a1n \u0111\u1ec3 b\u1ecdc c\u00e1c s\u1ea3n ph\u1ea9m c\u00f3 h\u00ecnh d\u1ea1ng kh\u00f4ng \u0111\u1ec1u.<\/p>\n\n\n\n

T\u1ea7m quan tr\u1ecdng c\u1ee7a th\u1eed nghi\u1ec7m m\u00e0ng co d\u00e3n \u0111\u00fac trong ng\u00e0nh \u0111\u00f3ng g\u00f3i<\/h2>\n\n\n\n

C\u00e1c Th\u1eed nghi\u1ec7m m\u00e0ng co k\u00e9o<\/strong> cung c\u1ea5p d\u1eef li\u1ec7u c\u1ea7n thi\u1ebft \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o r\u1eb1ng \u0111\u1ed9 b\u1ec1n k\u00e9o c\u1ee7a m\u00e0ng<\/strong> v\u00e0 c\u00e1c \u0111\u1eb7c t\u00ednh v\u1ec1 \u0111\u1ed9 gi\u00e3n d\u00e0i \u0111\u00e1p \u1ee9ng c\u00e1c ti\u00eau chu\u1ea9n hi\u1ec7u su\u1ea5t c\u1ea7n thi\u1ebft. \u0110\u1ed1i v\u1edbi c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p ph\u1ee5 thu\u1ed9c nhi\u1ec1u v\u00e0o bao b\u00ec, nh\u01b0 th\u1ef1c ph\u1ea9m, d\u01b0\u1ee3c ph\u1ea9m v\u00e0 c\u00e1c s\u1ea3n ph\u1ea9m y t\u1ebf, vi\u1ec7c \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 b\u1ec1n v\u00e0 t\u00ednh linh ho\u1ea1t c\u1ee7a m\u00e0ng co gi\u00e3n l\u00e0 v\u00f4 c\u00f9ng quan tr\u1ecdng.<\/p>\n\n\n\n

B\u1eb1ng c\u00e1ch t\u1eadn d\u1ee5ng Ti\u00eau chu\u1ea9n ASTM D882<\/strong> v\u00e0 th\u1ef1c hi\u1ec7n \u0111\u1ecbnh k\u1ef3 \u0111\u1ed9 b\u1ec1n k\u00e9o c\u1ee7a nh\u1ef1a<\/strong> Nh\u1edd c\u00e1c th\u1eed nghi\u1ec7m n\u00e0y, c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t c\u00f3 th\u1ec3 \u0111\u1ea3m b\u1ea3o r\u1eb1ng m\u00e0ng b\u1ecdc c\u1ee7a h\u1ecd s\u1ebd ho\u1ea1t \u0111\u1ed9ng hi\u1ec7u qu\u1ea3 trong c\u00e1c \u1ee9ng d\u1ee5ng th\u1ef1c t\u1ebf, mang l\u1ea1i c\u1ea3 s\u1ef1 an to\u00e0n v\u00e0 b\u1ea3o v\u1ec7 cho c\u00e1c v\u1eadt ph\u1ea9m b\u00ean trong. Th\u1eed nghi\u1ec7m n\u00e0y gi\u00fap ph\u00e1t hi\u1ec7n nh\u1eefng \u0111i\u1ec3m y\u1ebfu trong v\u1eadt li\u1ec7u c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn h\u01b0 h\u1ecfng ho\u1eb7c h\u1ecfng h\u00f3c khi ch\u1ecbu \u00e1p l\u1ef1c, t\u1eeb \u0111\u00f3 n\u00e2ng cao \u0111\u1ed9 tin c\u1eady c\u1ee7a s\u1ea3n ph\u1ea9m v\u00e0 gi\u1ea3m thi\u1ec3u l\u00e3ng ph\u00ed.<\/p>\n\n\n\n

C\u00e1c ph\u01b0\u01a1ng ph\u00e1p th\u1eed nghi\u1ec7m ch\u00ednh: Ti\u00eau chu\u1ea9n ASTM D882 v\u00e0 c\u00e1c \u1ee9ng d\u1ee5ng c\u1ee7a n\u00f3<\/h2>\n\n\n\n

Theo ti\u00eau chu\u1ea9n ASTM D882, ph\u01b0\u01a1ng ph\u00e1p th\u1eed nghi\u1ec7m ti\u00eau chu\u1ea9n bao g\u1ed3m vi\u1ec7c t\u00e1c d\u1ee5ng l\u1ef1c k\u00e9o l\u00ean m\u1eabu m\u00e0ng v\u00e0 \u0111o l\u01b0\u1eddng ph\u1ea3n \u1ee9ng c\u1ee7a n\u00f3 cho \u0111\u1ebfn khi m\u1eabu b\u1ecb \u0111\u1ee9t. C\u00e1c y\u1ebfu t\u1ed1 kh\u00e1c nhau, ch\u1eb3ng h\u1ea1n nh\u01b0 t\u1ed1c \u0111\u1ed9 gi\u00e3n d\u00e0i v\u00e0 \u0111\u1ed9 b\u1ec1n c\u1ee7a v\u1eadt li\u1ec7u, s\u1ebd \u0111\u01b0\u1ee3c ph\u00e2n t\u00edch. \u0110i\u1ec1u n\u00e0y gi\u00fap hi\u1ec3u r\u00f5 c\u00e1ch m\u00e0ng s\u1ebd ph\u1ea3n \u1ee9ng trong c\u00e1c \u0111i\u1ec1u ki\u1ec7n kh\u00e1c nhau, t\u1eeb \u0111\u00f3 h\u1ed7 tr\u1ee3 c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t \u0111\u01b0a ra quy\u1ebft \u0111\u1ecbnh s\u00e1ng su\u1ed1t trong vi\u1ec7c l\u1ef1a ch\u1ecdn v\u1eadt li\u1ec7u.<\/p>\n\n\n\n

C\u00e1c Th\u1eed nghi\u1ec7m m\u00e0ng co k\u00e9o<\/strong> \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong c\u00f4ng t\u00e1c ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng t\u1ea1i c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p \u0111\u00f3ng g\u00f3i. B\u1eb1ng c\u00e1ch tu\u00e2n th\u1ee7 ti\u00eau chu\u1ea9n ASTM D882, c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t c\u00f3 th\u1ec3 \u0111\u1ea3m b\u1ea3o r\u1eb1ng m\u00e0ng co gi\u00e3n c\u1ee7a h\u1ecd \u0111\u00e1p \u1ee9ng c\u00e1c y\u00eau c\u1ea7u c\u1ee5 th\u1ec3 v\u1ec1 \u0111\u1ed9 b\u1ec1n, \u0111\u1ed9 d\u1ebbo dai v\u00e0 \u0111\u1ed9 b\u1ec1n, gi\u00fap h\u1ecd duy tr\u00ec c\u00e1c ti\u00eau chu\u1ea9n cao v\u1ec1 ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 \u0111\u1ed9 tin c\u1eady.<\/p>\n\n\n\n

K\u1ebft lu\u1eadn: \u0110\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng bao b\u00ec th\u00f4ng qua th\u1eed nghi\u1ec7m m\u00e0ng co \u0111\u00fac<\/h2>\n\n\n\n

T\u00f3m l\u1ea1i, Th\u1eed nghi\u1ec7m m\u00e0ng co k\u00e9o<\/strong> l\u00e0 m\u1ed9t quy tr\u00ecnh quan tr\u1ecdng \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh c\u00e1c t\u00ednh ch\u1ea5t c\u01a1 h\u1ecdc c\u1ee7a m\u00e0ng nh\u1ef1a, c\u1ee5 th\u1ec3 l\u00e0 s\u1ee9c b\u1ec1n k\u00e9o<\/strong> V\u00e0 s\u1ef1 k\u00e9o d\u00e0i<\/strong>. S\u1eed d\u1ee5ng Ti\u00eau chu\u1ea9n ASTMD882<\/strong>, c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t c\u00f3 th\u1ec3 \u0111\u1ea3m b\u1ea3o s\u1ea3n ph\u1ea9m c\u1ee7a h\u1ecd c\u00f3 kh\u1ea3 n\u0103ng ch\u1ecbu \u0111\u01b0\u1ee3c c\u00e1c t\u00e1c \u0111\u1ed9ng v\u00e0 \u00e1p l\u1ef1c trong qu\u00e1 tr\u00ecnh x\u1eed l\u00fd v\u00e0 v\u1eadn chuy\u1ec3n, khi\u1ebfn ch\u00fang tr\u1edf th\u00e0nh l\u1ef1a ch\u1ecdn l\u00fd t\u01b0\u1edfng cho c\u00e1c \u1ee9ng d\u1ee5ng \u0111\u00f3ng g\u00f3i. Nh\u1edd c\u00e1c ph\u01b0\u01a1ng ph\u00e1p th\u1eed nghi\u1ec7m ch\u00ednh x\u00e1c, ch\u1eb3ng h\u1ea1n nh\u01b0 Th\u1eed nghi\u1ec7m \u0111\u1ed9 b\u1ec1n k\u00e9o c\u1ee7a nh\u1ef1a<\/strong>, c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t c\u00f3 th\u1ec3 duy tr\u00ec c\u00e1c ti\u00eau chu\u1ea9n ch\u1ea5t l\u01b0\u1ee3ng cao v\u00e0 cung c\u1ea5p cho th\u1ecb tr\u01b0\u1eddng c\u00e1c gi\u1ea3i ph\u00e1p \u0111\u00f3ng g\u00f3i \u0111\u00e1ng tin c\u1eady, b\u1ec1n b\u1ec9.<\/p>\n\n\n\n

T\u1ea1i Cell Instruments, ch\u00fang t\u00f4i cung c\u1ea5p c\u00e1c thi\u1ebft b\u1ecb ki\u1ec3m tra ti\u00ean ti\u1ebfn d\u00e0nh cho \u0111\u1ed9 b\u1ec1n k\u00e9o c\u1ee7a m\u00e0ng<\/strong> ki\u1ec3m tra v\u00e0 ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng v\u1eadt li\u1ec7u \u0111\u00f3ng g\u00f3i, \u0111\u1ea3m b\u1ea3o c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t c\u00f3 th\u1ec3 t\u1ef1 tin \u0111\u00e1nh gi\u00e1 v\u00e0 t\u1ed1i \u01b0u h\u00f3a m\u00e0ng co gi\u00e3n c\u1ee7a m\u00ecnh \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c hi\u1ec7u su\u1ea5t v\u01b0\u1ee3t tr\u1ed9i.<\/p>","protected":false},"excerpt":{"rendered":"

Th\u1eed nghi\u1ec7m \u0111\u1ed9 gi\u00e3n c\u1ee7a m\u00e0ng nh\u1ef1a k\u00e9o d\u00e3n l\u00e0 m\u1ed9t quy tr\u00ecnh quan tr\u1ecdng \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh \u0111\u1ed9 b\u1ec1n v\u00e0 \u0111\u1ed9 b\u1ec1n c\u1ee7a m\u00e0ng nh\u1ef1a \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p kh\u00e1c nhau nh\u01b0 \u0111\u00f3ng g\u00f3i v\u00e0 s\u1ea3n xu\u1ea5t. Th\u1eed nghi\u1ec7m n\u00e0y \u0111\u00e1nh gi\u00e1 kh\u1ea3 n\u0103ng ch\u1ecbu l\u1ef1c c\u1ee7a m\u00e0ng nh\u1ef1a tr\u01b0\u1edbc c\u00e1c t\u00e1c \u0111\u1ed9ng c\u00f3 th\u1ec3 khi\u1ebfn m\u00e0ng b\u1ecb gi\u00e3n ho\u1eb7c \u0111\u1ee9t. Ti\u00eau chu\u1ea9n ASTM D882 \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng r\u1ed9ng r\u00e3i \u0111\u1ec3 th\u1ef1c hi\u1ec7n c\u00e1c th\u1eed nghi\u1ec7m n\u00e0y, [\u2026]","protected":false},"author":4,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-1284","post","type-post","status-publish","format-standard","hentry","category-wrap-film-test"],"yoast_head":"\nCast Stretch Film Test: ASTM D882, Tensile Strength & Elongation<\/title>\n<meta name=\"description\" content=\"Discover the importance of Cast Stretch Film testing, including ASTM D882 and plastic tensile strength tests. 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