\u0110\u1ed9 b\u1ec1n k\u00e9o l\u00e0 \u1ee9ng su\u1ea5t t\u1ed1i \u0111a m\u00e0 m\u00e0ng nh\u1ef1a c\u00f3 th\u1ec3 ch\u1ecbu \u0111\u01b0\u1ee3c khi b\u1ecb k\u00e9o c\u0103ng tr\u01b0\u1edbc khi b\u1ecb \u0111\u1ee9t. \u0110\u1ed1i v\u1edbi m\u00e0ng nh\u1ef1a d\u00f9ng trong bao b\u00ec, nh\u01b0 m\u00e0ng co gi\u00e3n, \u0111\u1eb7c t\u00ednh n\u00e0y r\u1ea5t c\u1ea7n thi\u1ebft v\u00ec n\u00f3 \u1ea3nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn hi\u1ec7u su\u1ea5t c\u1ee7a v\u1eadt li\u1ec7u trong nhi\u1ec1u \u1ee9ng d\u1ee5ng kh\u00e1c nhau. \u0110\u1ed9 b\u1ec1n k\u00e9o cao \u0111\u1ea3m b\u1ea3o r\u1eb1ng m\u00e0ng c\u00f3 th\u1ec3 ch\u1ecbu \u0111\u01b0\u1ee3c \u1ee9ng su\u1ea5t c\u01a1 h\u1ecdc g\u1eb7p ph\u1ea3i trong qu\u00e1 tr\u00ecnh x\u1eed l\u00fd, v\u1eadn chuy\u1ec3n v\u00e0 s\u1eed d\u1ee5ng cu\u1ed1i c\u00f9ng. V\u00ed d\u1ee5, m\u00e0ng co gi\u00e3n c\u1ea7n cung c\u1ea5p c\u00e1c \u0111\u1eb7c t\u00ednh b\u00e1m d\u00ednh v\u00e0 kh\u1ea3 n\u0103ng co gi\u00e3n tuy\u1ec7t v\u1eddi, \u0111\u1ed3ng th\u1eddi v\u1eabn duy tr\u00ec \u0111\u01b0\u1ee3c t\u00ednh to\u00e0n v\u1eb9n c\u1ee7a ch\u00fang khi ch\u1ecbu t\u1ea3i.<\/p>\n\n\n\n
Trong bao b\u00ec, m\u00e0ng c\u00f3 \u0111\u1ed9 b\u1ec1n k\u00e9o cao h\u01a1n b\u1ec1n h\u01a1n v\u00e0 b\u1ea3o v\u1ec7 s\u1ea3n ph\u1ea9m t\u1ed1t h\u01a1n. Cho d\u00f9 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong bao b\u00ec th\u1ef1c ph\u1ea9m, y t\u1ebf hay c\u00f4ng nghi\u1ec7p, m\u00e0ng co gi\u00e3n ch\u1ea5t l\u01b0\u1ee3ng cao c\u00f3 \u0111\u1ed9 b\u1ec1n k\u00e9o t\u1ed1t c\u00f3 th\u1ec3 ng\u0103n ng\u1eeba h\u01b0 h\u1ecfng, duy tr\u00ec \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh c\u1ee7a s\u1ea3n ph\u1ea9m v\u00e0 \u0111\u1ea3m b\u1ea3o an to\u00e0n.<\/p>\n\n\n\n
ASTM D882 \u2013 Ti\u00eau chu\u1ea9n c\u00f4ng nghi\u1ec7p cho th\u1eed nghi\u1ec7m k\u00e9o<\/strong><\/h2>\n\n\n\nASTM D882 l\u00e0 ti\u00eau chu\u1ea9n \u0111\u01b0\u1ee3c c\u00f4ng nh\u1eadn r\u1ed9ng r\u00e3i v\u1ec1 th\u1eed nghi\u1ec7m \u0111\u1ed9 b\u1ec1n k\u00e9o c\u1ee7a m\u00e0ng v\u00e0 t\u1ea5m nh\u1ef1a. Ti\u00eau chu\u1ea9n n\u00e0y cung c\u1ea5p quy tr\u00ecnh x\u00e1c \u0111\u1ecbnh \u0111\u1ed9 b\u1ec1n k\u00e9o, \u0111\u1ed9 gi\u00e3n d\u00e0i v\u00e0 c\u00e1c \u0111\u1eb7c t\u00ednh li\u00ean quan kh\u00e1c c\u1ee7a m\u00e0ng nh\u1ef1a trong \u0111i\u1ec1u ki\u1ec7n \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t. ASTM D882 r\u1ea5t quan tr\u1ecdng \u0111\u1ed1i v\u1edbi c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t c\u1ea7n \u0111\u00e1nh gi\u00e1 v\u00e0 \u0111\u1ea3m b\u1ea3o hi\u1ec7u su\u1ea5t c\u1ee7a m\u00e0ng nh\u1ef1a, \u0111\u1eb7c bi\u1ec7t l\u00e0 trong c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p m\u00e0 v\u1eadt li\u1ec7u \u0111\u00f3ng g\u00f3i ph\u1ea3i ch\u1ecbu c\u00e1c \u0111i\u1ec1u ki\u1ec7n nghi\u00eam ng\u1eb7t.<\/p>\n\n\n\n
Ti\u00eau chu\u1ea9n ASTM D882 n\u00eau ra c\u00e1c ph\u01b0\u01a1ng ph\u00e1p th\u1eed nghi\u1ec7m c\u1ee5 th\u1ec3 \u0111\u1ec3 \u0111o c\u00e1c \u0111\u1eb7c t\u00ednh k\u00e9o c\u1ee7a m\u00e0ng nh\u1ef1a, bao g\u1ed3m quy tr\u00ecnh th\u1eed nghi\u1ec7m, t\u00ednh to\u00e1n k\u1ebft qu\u1ea3 v\u00e0 y\u00eau c\u1ea7u b\u00e1o c\u00e1o. B\u1eb1ng c\u00e1ch tu\u00e2n th\u1ee7 ASTM D882, c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t \u0111\u1ea3m b\u1ea3o s\u1ea3n ph\u1ea9m c\u1ee7a h\u1ecd \u0111\u00e1p \u1ee9ng c\u00e1c ti\u00eau chu\u1ea9n c\u1ee7a ng\u00e0nh v\u00e0 ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c \u1ee9ng d\u1ee5ng d\u1ef1 \u0111\u1ecbnh c\u1ee7a h\u1ecd.<\/p>\n\n\n\n
Quy tr\u00ecnh th\u1eed nghi\u1ec7m m\u00e0ng c\u0103ng ph\u1ed5 bi\u1ebfn theo ASTM D882<\/strong><\/h2>\n\n\n\nTi\u00eau chu\u1ea9n ASTM D882 cung c\u1ea5p ph\u01b0\u01a1ng ph\u00e1p ti\u1ebfp c\u1eadn to\u00e0n di\u1ec7n \u0111\u1ec3 th\u1eed nghi\u1ec7m \u0111\u1ed9 b\u1ec1n k\u00e9o c\u1ee7a m\u00e0ng nh\u1ef1a, \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf ri\u00eang cho c\u00e1c v\u1eadt li\u1ec7u nh\u01b0 m\u00e0ng c\u0103ng. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 t\u1ed5ng quan v\u1ec1 c\u00e1c quy tr\u00ecnh th\u1eed nghi\u1ec7m ph\u1ed5 bi\u1ebfn theo ASTM D882:<\/p>\n\n\n\n
\n- Chu\u1ea9n b\u1ecb m\u1eabu:<\/strong>\n
\n- C\u1eaft m\u00e0ng nh\u1ef1a theo k\u00edch th\u01b0\u1edbc chu\u1ea9n. Chi\u1ec1u d\u00e0i v\u00e0 chi\u1ec1u r\u1ed9ng \u0111\u01b0\u1ee3c \u0111o c\u1ea9n th\u1eadn \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o t\u00ednh nh\u1ea5t qu\u00e1n v\u00e0 kh\u1ea3 n\u0103ng l\u1eb7p l\u1ea1i.<\/li>\n<\/ul>\n<\/li>\n\n\n\n
- Thi\u1ebft l\u1eadp m\u00e1y th\u1eed nghi\u1ec7m:<\/strong>\n
\n- Chu\u1ea9n b\u1ecb m\u1ed9t m\u00e1y th\u1eed nghi\u1ec7m v\u1ea1n n\u0103ng (UTM) c\u00f3 tay c\u1ea7m ph\u00f9 h\u1ee3p \u0111\u1ec3 gi\u1eef ch\u1eb7t m\u00e0ng nh\u1ef1a trong qu\u00e1 tr\u00ecnh th\u1eed nghi\u1ec7m. M\u00e1y ph\u1ea3i \u0111\u01b0\u1ee3c hi\u1ec7u chu\u1ea9n theo ti\u00eau chu\u1ea9n ASTM.<\/li>\n<\/ul>\n<\/li>\n\n\n\n
- Quy tr\u00ecnh ki\u1ec3m tra:<\/strong>\n
\n- M\u1eabu phim \u0111\u01b0\u1ee3c \u0111\u1eb7t trong m\u00e1y th\u1eed nghi\u1ec7m v\u00e0 \u0111\u01b0\u1ee3c k\u00e9o c\u0103ng \u1edf t\u1ed1c \u0111\u1ed9 \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t. Trong qu\u00e1 tr\u00ecnh th\u1eed nghi\u1ec7m, m\u00e1y s\u1ebd \u0111o l\u1ef1c t\u00e1c d\u1ee5ng l\u00ean phim khi phim \u0111\u01b0\u1ee3c k\u00e9o c\u0103ng.<\/li>\n<\/ul>\n<\/li>\n\n\n\n
- \u0110o \u0111\u1ed9 b\u1ec1n k\u00e9o:<\/strong>\n
\n- Khi m\u00e0ng phim k\u00e9o d\u00e0i, thi\u1ebft b\u1ecb th\u1eed nghi\u1ec7m s\u1ebd ghi l\u1ea1i l\u1ef1c c\u1ea7n thi\u1ebft \u0111\u1ec3 k\u00e9o d\u00e0i v\u1eadt li\u1ec7u. \u0110\u1ed9 b\u1ec1n k\u00e9o \u0111\u01b0\u1ee3c t\u00ednh b\u1eb1ng c\u00e1ch chia l\u1ef1c t\u1ed1i \u0111a cho di\u1ec7n t\u00edch m\u1eb7t c\u1eaft ngang ban \u0111\u1ea7u c\u1ee7a m\u00e0ng phim.<\/li>\n<\/ul>\n<\/li>\n\n\n\n
- \u0110\u00e1nh gi\u00e1 k\u1ebft qu\u1ea3:<\/strong>\n
\n- D\u1eef li\u1ec7u cu\u1ed1i c\u00f9ng bao g\u1ed3m \u0111\u1ed9 b\u1ec1n k\u00e9o, \u0111\u1ed9 gi\u00e3n d\u00e0i khi \u0111\u1ee9t v\u00e0 m\u00f4 \u0111un \u0111\u00e0n h\u1ed3i. C\u00e1c gi\u00e1 tr\u1ecb n\u00e0y gi\u00fap x\u00e1c \u0111\u1ecbnh xem m\u00e0ng phim c\u00f3 \u0111\u00e1p \u1ee9ng c\u00e1c th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt c\u1ea7n thi\u1ebft cho m\u1ee5c \u0111\u00edch s\u1eed d\u1ee5ng d\u1ef1 ki\u1ebfn hay kh\u00f4ng.<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n\n\n
Thi\u1ebft b\u1ecb ki\u1ec3m tra m\u00e0ng c\u0103ng c\u1ea7n thi\u1ebft<\/strong><\/h2>\n\n\n\nKi\u1ec3m tra ch\u00ednh x\u00e1c \u0111\u1ed9 b\u1ec1n k\u00e9o c\u1ee7a m\u00e0ng nh\u1ef1a \u0111\u00f2i h\u1ecfi thi\u1ebft b\u1ecb chuy\u00ean d\u1ee5ng. C\u00e1c c\u00f4ng c\u1ee5 ph\u1ed5 bi\u1ebfn v\u00e0 thi\u1ebft y\u1ebfu nh\u1ea5t \u0111\u1ec3 th\u1ef1c hi\u1ec7n th\u1eed nghi\u1ec7m k\u00e9o theo ASTM D882 bao g\u1ed3m:<\/p>\n\n\n\n
M\u00e1y ki\u1ec3m tra v\u1ea1n n\u0103ng (UTM)<\/strong><\/h3>\n\n\n\nM\u00e1y th\u1eed nghi\u1ec7m v\u1ea1n n\u0103ng <\/a>(UTM) l\u00e0 thi\u1ebft b\u1ecb ch\u00ednh \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 ti\u1ebfn h\u00e0nh th\u1eed nghi\u1ec7m \u0111\u1ed9 b\u1ec1n k\u00e9o tr\u00ean m\u00e0ng nh\u1ef1a. C\u00e1c m\u00e1y n\u00e0y c\u00f3 kh\u1ea3 n\u0103ng t\u00e1c d\u1ee5ng c\u1ea3 l\u1ef1c k\u00e9o v\u00e0 l\u1ef1c n\u00e9n l\u00ean v\u1eadt li\u1ec7u v\u00e0 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c trang b\u1ecb nhi\u1ec1u lo\u1ea1i k\u1eb9p v\u00e0 \u0111\u1ed3 g\u00e1 kh\u00e1c nhau \u0111\u1ec3 ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c k\u00edch th\u01b0\u1edbc m\u00e0ng v\u00e0 \u0111i\u1ec1u ki\u1ec7n th\u1eed nghi\u1ec7m kh\u00e1c nhau.<\/p>\n\n\n\n![\"astm](\"https:\/\/www.wrapfilmtest.com\/wp-content\/uploads\/2025\/02\/astm-d882-tensile-strength-of-plastic-film.webp\")
<\/a><\/figure>\n\n\n\n\n- C\u1ea3m bi\u1ebfn l\u1ef1c:<\/strong> \u0110o l\u1ef1c t\u00e1c d\u1ee5ng v\u00e0o m\u1eabu trong qu\u00e1 tr\u00ecnh th\u1eed nghi\u1ec7m.<\/li>\n\n\n\n
- M\u00e1y \u0111o \u0111\u1ed9 gi\u00e3n d\u00e0i:<\/strong> \u0110o \u0111\u1ed9 gi\u00e3n d\u00e0i c\u1ee7a m\u00e0ng phim khi n\u00f3 \u0111\u01b0\u1ee3c k\u00e9o c\u0103ng.<\/li>\n\n\n\n
- \u0110\u1ed3 g\u00e1 k\u1eb9p:<\/strong> Tay c\u1ea7m chuy\u00ean d\u1ee5ng \u0111\u1ea3m b\u1ea3o m\u1eabu phim \u0111\u01b0\u1ee3c gi\u1eef ch\u1eb7t trong qu\u00e1 tr\u00ecnh th\u1eed nghi\u1ec7m m\u00e0 kh\u00f4ng b\u1ecb tr\u01b0\u1ee3t.<\/li>\n<\/ul>\n\n\n\n
Ph\u00f2ng M\u00f4i tr\u01b0\u1eddng<\/strong><\/h3>\n\n\n\nTrong m\u1ed9t s\u1ed1 tr\u01b0\u1eddng h\u1ee3p, c\u00e1c y\u1ebfu t\u1ed1 m\u00f4i tr\u01b0\u1eddng nh\u01b0 nhi\u1ec7t \u0111\u1ed9 v\u00e0 \u0111\u1ed9 \u1ea9m c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn \u0111\u1ed9 b\u1ec1n k\u00e9o c\u1ee7a m\u00e0ng nh\u1ef1a. C\u00e1c bu\u1ed3ng m\u00f4i tr\u01b0\u1eddng c\u00f3 th\u1ec3 m\u00f4 ph\u1ecfng c\u00e1c \u0111i\u1ec1u ki\u1ec7n c\u1ee5 th\u1ec3 c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn c\u00e1c \u0111\u1eb7c t\u00ednh c\u1ee7a m\u00e0ng, cung c\u1ea5p k\u1ebft qu\u1ea3 th\u1eed nghi\u1ec7m ch\u00ednh x\u00e1c v\u00e0 mang t\u00ednh \u0111\u1ea1i di\u1ec7n h\u01a1n.<\/p>\n\n\n\n
H\u1ec7 th\u1ed1ng thu th\u1eadp v\u00e0 ph\u00e2n t\u00edch d\u1eef li\u1ec7u<\/strong><\/h3>\n\n\n\nH\u1ec7 th\u1ed1ng thu th\u1eadp d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 thu th\u1eadp d\u1eef li\u1ec7u l\u1ef1c v\u00e0 \u0111\u1ed9 gi\u00e3n d\u00e0i t\u1eeb th\u1eed nghi\u1ec7m, sau \u0111\u00f3 \u0111\u01b0\u1ee3c ph\u00e2n t\u00edch \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh \u0111\u1ed9 b\u1ec1n k\u00e9o v\u00e0 c\u00e1c \u0111\u1eb7c t\u00ednh c\u01a1 h\u1ecdc kh\u00e1c. C\u00e1c h\u1ec7 th\u1ed1ng n\u00e0y cung c\u1ea5p b\u00e1o c\u00e1o chi ti\u1ebft v\u00e0 \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 ch\u00ednh x\u00e1c v\u00e0 kh\u1ea3 n\u0103ng t\u00e1i t\u1ea1o c\u1ee7a k\u1ebft qu\u1ea3 th\u1eed nghi\u1ec7m.<\/p>\n\n\n\n
\n\n\n\n\u0110\u1ed9 b\u1ec1n k\u00e9o c\u1ee7a m\u00e0ng nh\u1ef1a, \u0111\u1eb7c bi\u1ec7t l\u00e0 m\u00e0ng co gi\u00e3n, l\u00e0 y\u1ebfu t\u1ed1 quan tr\u1ecdng \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 tin c\u1eady v\u00e0 hi\u1ec7u su\u1ea5t c\u1ee7a v\u1eadt li\u1ec7u \u0111\u00f3ng g\u00f3i. ASTM D882 cung c\u1ea5p ph\u01b0\u01a1ng ph\u00e1p th\u1eed nghi\u1ec7m ti\u00eau chu\u1ea9n \u0111\u1ea3m b\u1ea3o m\u00e0ng \u0111\u00e1p \u1ee9ng c\u00e1c y\u00eau c\u1ea7u c\u1ee7a ng\u00e0nh v\u00e0 ho\u1ea1t \u0111\u1ed9ng t\u1ed1i \u01b0u trong \u0111i\u1ec1u ki\u1ec7n th\u1ef1c t\u1ebf. S\u1eed d\u1ee5ng thi\u1ebft b\u1ecb th\u1eed nghi\u1ec7m ph\u00f9 h\u1ee3p, ch\u1eb3ng h\u1ea1n nh\u01b0 m\u00e1y th\u1eed nghi\u1ec7m v\u1ea1n n\u0103ng, \u0111\u1ea3m b\u1ea3o r\u1eb1ng c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t c\u00f3 th\u1ec3 thu \u0111\u01b0\u1ee3c d\u1eef li\u1ec7u ch\u00ednh x\u00e1c \u0111\u1ec3 ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 ph\u00e1t tri\u1ec3n s\u1ea3n ph\u1ea9m.<\/p>","protected":false},"excerpt":{"rendered":"
\u0110\u1ed9 b\u1ec1n k\u00e9o l\u00e0 m\u1ed9t t\u00ednh ch\u1ea5t quan tr\u1ecdng c\u1ee7a m\u00e0ng nh\u1ef1a, \u0111\u1eb7c bi\u1ec7t l\u00e0 m\u00e0ng co gi\u00e3n, v\u00ec n\u00f3 quy\u1ebft \u0111\u1ecbnh kh\u1ea3 n\u0103ng ch\u1ecbu l\u1ef1c k\u00e9o gi\u00e3n m\u00e0 kh\u00f4ng b\u1ecb \u0111\u1ee9t c\u1ee7a v\u1eadt li\u1ec7u. \u0110\u00e2y l\u00e0 m\u1ed9t \u0111\u1eb7c \u0111i\u1ec3m ch\u00ednh cho c\u00e1c \u1ee9ng d\u1ee5ng nh\u01b0 \u0111\u00f3ng g\u00f3i, trong \u0111\u00f3 m\u00e0ng c\u1ea7n ph\u1ea3i k\u00e9o gi\u00e3n v\u00e0 gi\u1eef m\u00e0 kh\u00f4ng b\u1ecb r\u00e1ch. Hi\u1ec3u \u0111\u01b0\u1ee3c \u0111\u1ed9 b\u1ec1n k\u00e9o gi\u00e3n c\u1ee7a m\u00e0ng nh\u1ef1a, \u0111\u1eb7c bi\u1ec7t l\u00e0 m\u00e0ng co gi\u00e3n, l\u00e0 r\u1ea5t quan tr\u1ecdng [\u2026]","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-1115","post","type-post","status-publish","format-standard","hentry","category-wrap-film-test"],"yoast_head":"\n
ASTM D882 and Tensile Strength of Plastic Film - Stretch Film Test<\/title>\n<meta name=\"description\" content=\"Tensile strength in plastic film, focusing on ASTM D882 standards and stretch film testing method, with best equipment for accurate testing.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.wrapfilmtest.com\/vi\/tensile-strength-of-plastic-film-astm-d882\" \/>\n<meta property=\"og:locale\" content=\"vi_VN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"ASTM D882 and Tensile Strength of Plastic Film - Stretch Film Test\" \/>\n<meta property=\"og:description\" content=\"Tensile strength in plastic film, focusing on ASTM D882 standards and stretch film testing method, with best equipment for accurate testing.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.wrapfilmtest.com\/vi\/tensile-strength-of-plastic-film-astm-d882\" \/>\n<meta property=\"og:site_name\" content=\"Wrap Film Test\" \/>\n<meta property=\"article:published_time\" content=\"2025-02-19T08:12:28+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-01-15T06:03:56+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.wrapfilmtest.com\/wp-content\/uploads\/2025\/02\/astm-d882-tensile-strength-of-plastic-film.webp\" \/>\n\t<meta property=\"og:image:width\" content=\"400\" \/>\n\t<meta property=\"og:image:height\" content=\"600\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/webp\" \/>\n<meta name=\"author\" content=\"WrapFilmTest\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u0110\u01b0\u1ee3c vi\u1ebft b\u1edfi\" \/>\n\t<meta name=\"twitter:data1\" content=\"WrapFilmTest\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u01af\u1edbc t\u00ednh th\u1eddi gian \u0111\u1ecdc\" \/>\n\t<meta name=\"twitter:data2\" content=\"4 ph\u00fat\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/www.wrapfilmtest.com\/tensile-strength-of-plastic-film-astm-d882#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.wrapfilmtest.com\/tensile-strength-of-plastic-film-astm-d882\"},\"author\":{\"name\":\"WrapFilmTest\",\"@id\":\"https:\/\/www.wrapfilmtest.com\/#\/schema\/person\/d692b9e5421db4ef2ceba4f95296500c\"},\"headline\":\"ASTM D882 and Tensile Strength of Plastic Film – Stretch Film Test Methods and Equipment\",\"datePublished\":\"2025-02-19T08:12:28+00:00\",\"dateModified\":\"2026-01-15T06:03:56+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.wrapfilmtest.com\/tensile-strength-of-plastic-film-astm-d882\"},\"wordCount\":799,\"publisher\":{\"@id\":\"https:\/\/www.wrapfilmtest.com\/#organization\"},\"image\":{\"@id\":\"https:\/\/www.wrapfilmtest.com\/tensile-strength-of-plastic-film-astm-d882#primaryimage\"},\"thumbnailUrl\":\"https:\/\/www.wrapfilmtest.com\/wp-content\/uploads\/2025\/02\/astm-d882-tensile-strength-of-plastic-film.webp\",\"articleSection\":[\"Wrap Film Test\"],\"inLanguage\":\"vi\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.wrapfilmtest.com\/tensile-strength-of-plastic-film-astm-d882\",\"url\":\"https:\/\/www.wrapfilmtest.com\/tensile-strength-of-plastic-film-astm-d882\",\"name\":\"ASTM D882 and Tensile Strength of Plastic Film - 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Ti\u00eau chu\u1ea9n ASTM D882 cung c\u1ea5p ph\u01b0\u01a1ng ph\u00e1p ti\u1ebfp c\u1eadn to\u00e0n di\u1ec7n \u0111\u1ec3 th\u1eed nghi\u1ec7m \u0111\u1ed9 b\u1ec1n k\u00e9o c\u1ee7a m\u00e0ng nh\u1ef1a, \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf ri\u00eang cho c\u00e1c v\u1eadt li\u1ec7u nh\u01b0 m\u00e0ng c\u0103ng. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 t\u1ed5ng quan v\u1ec1 c\u00e1c quy tr\u00ecnh th\u1eed nghi\u1ec7m ph\u1ed5 bi\u1ebfn theo ASTM D882:<\/p>\n\n\n\n
- \n
- Chu\u1ea9n b\u1ecb m\u1eabu:<\/strong>\n
- \n
- C\u1eaft m\u00e0ng nh\u1ef1a theo k\u00edch th\u01b0\u1edbc chu\u1ea9n. Chi\u1ec1u d\u00e0i v\u00e0 chi\u1ec1u r\u1ed9ng \u0111\u01b0\u1ee3c \u0111o c\u1ea9n th\u1eadn \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o t\u00ednh nh\u1ea5t qu\u00e1n v\u00e0 kh\u1ea3 n\u0103ng l\u1eb7p l\u1ea1i.<\/li>\n<\/ul>\n<\/li>\n\n\n\n
- Thi\u1ebft l\u1eadp m\u00e1y th\u1eed nghi\u1ec7m:<\/strong>\n
- \n
- Chu\u1ea9n b\u1ecb m\u1ed9t m\u00e1y th\u1eed nghi\u1ec7m v\u1ea1n n\u0103ng (UTM) c\u00f3 tay c\u1ea7m ph\u00f9 h\u1ee3p \u0111\u1ec3 gi\u1eef ch\u1eb7t m\u00e0ng nh\u1ef1a trong qu\u00e1 tr\u00ecnh th\u1eed nghi\u1ec7m. M\u00e1y ph\u1ea3i \u0111\u01b0\u1ee3c hi\u1ec7u chu\u1ea9n theo ti\u00eau chu\u1ea9n ASTM.<\/li>\n<\/ul>\n<\/li>\n\n\n\n
- Quy tr\u00ecnh ki\u1ec3m tra:<\/strong>\n
- \n
- M\u1eabu phim \u0111\u01b0\u1ee3c \u0111\u1eb7t trong m\u00e1y th\u1eed nghi\u1ec7m v\u00e0 \u0111\u01b0\u1ee3c k\u00e9o c\u0103ng \u1edf t\u1ed1c \u0111\u1ed9 \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t. Trong qu\u00e1 tr\u00ecnh th\u1eed nghi\u1ec7m, m\u00e1y s\u1ebd \u0111o l\u1ef1c t\u00e1c d\u1ee5ng l\u00ean phim khi phim \u0111\u01b0\u1ee3c k\u00e9o c\u0103ng.<\/li>\n<\/ul>\n<\/li>\n\n\n\n
- \u0110o \u0111\u1ed9 b\u1ec1n k\u00e9o:<\/strong>\n
- \n
- Khi m\u00e0ng phim k\u00e9o d\u00e0i, thi\u1ebft b\u1ecb th\u1eed nghi\u1ec7m s\u1ebd ghi l\u1ea1i l\u1ef1c c\u1ea7n thi\u1ebft \u0111\u1ec3 k\u00e9o d\u00e0i v\u1eadt li\u1ec7u. \u0110\u1ed9 b\u1ec1n k\u00e9o \u0111\u01b0\u1ee3c t\u00ednh b\u1eb1ng c\u00e1ch chia l\u1ef1c t\u1ed1i \u0111a cho di\u1ec7n t\u00edch m\u1eb7t c\u1eaft ngang ban \u0111\u1ea7u c\u1ee7a m\u00e0ng phim.<\/li>\n<\/ul>\n<\/li>\n\n\n\n
- \u0110\u00e1nh gi\u00e1 k\u1ebft qu\u1ea3:<\/strong>\n
- \n
- D\u1eef li\u1ec7u cu\u1ed1i c\u00f9ng bao g\u1ed3m \u0111\u1ed9 b\u1ec1n k\u00e9o, \u0111\u1ed9 gi\u00e3n d\u00e0i khi \u0111\u1ee9t v\u00e0 m\u00f4 \u0111un \u0111\u00e0n h\u1ed3i. C\u00e1c gi\u00e1 tr\u1ecb n\u00e0y gi\u00fap x\u00e1c \u0111\u1ecbnh xem m\u00e0ng phim c\u00f3 \u0111\u00e1p \u1ee9ng c\u00e1c th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt c\u1ea7n thi\u1ebft cho m\u1ee5c \u0111\u00edch s\u1eed d\u1ee5ng d\u1ef1 ki\u1ebfn hay kh\u00f4ng.<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n\n\n
Thi\u1ebft b\u1ecb ki\u1ec3m tra m\u00e0ng c\u0103ng c\u1ea7n thi\u1ebft<\/strong><\/h2>\n\n\n\n
Ki\u1ec3m tra ch\u00ednh x\u00e1c \u0111\u1ed9 b\u1ec1n k\u00e9o c\u1ee7a m\u00e0ng nh\u1ef1a \u0111\u00f2i h\u1ecfi thi\u1ebft b\u1ecb chuy\u00ean d\u1ee5ng. C\u00e1c c\u00f4ng c\u1ee5 ph\u1ed5 bi\u1ebfn v\u00e0 thi\u1ebft y\u1ebfu nh\u1ea5t \u0111\u1ec3 th\u1ef1c hi\u1ec7n th\u1eed nghi\u1ec7m k\u00e9o theo ASTM D882 bao g\u1ed3m:<\/p>\n\n\n\n
M\u00e1y ki\u1ec3m tra v\u1ea1n n\u0103ng (UTM)<\/strong><\/h3>\n\n\n\n
M\u00e1y th\u1eed nghi\u1ec7m v\u1ea1n n\u0103ng <\/a>(UTM) l\u00e0 thi\u1ebft b\u1ecb ch\u00ednh \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 ti\u1ebfn h\u00e0nh th\u1eed nghi\u1ec7m \u0111\u1ed9 b\u1ec1n k\u00e9o tr\u00ean m\u00e0ng nh\u1ef1a. C\u00e1c m\u00e1y n\u00e0y c\u00f3 kh\u1ea3 n\u0103ng t\u00e1c d\u1ee5ng c\u1ea3 l\u1ef1c k\u00e9o v\u00e0 l\u1ef1c n\u00e9n l\u00ean v\u1eadt li\u1ec7u v\u00e0 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c trang b\u1ecb nhi\u1ec1u lo\u1ea1i k\u1eb9p v\u00e0 \u0111\u1ed3 g\u00e1 kh\u00e1c nhau \u0111\u1ec3 ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c k\u00edch th\u01b0\u1edbc m\u00e0ng v\u00e0 \u0111i\u1ec1u ki\u1ec7n th\u1eed nghi\u1ec7m kh\u00e1c nhau.<\/p>\n\n\n\n
<\/a><\/figure>\n\n\n\n- \n
- C\u1ea3m bi\u1ebfn l\u1ef1c:<\/strong> \u0110o l\u1ef1c t\u00e1c d\u1ee5ng v\u00e0o m\u1eabu trong qu\u00e1 tr\u00ecnh th\u1eed nghi\u1ec7m.<\/li>\n\n\n\n
- M\u00e1y \u0111o \u0111\u1ed9 gi\u00e3n d\u00e0i:<\/strong> \u0110o \u0111\u1ed9 gi\u00e3n d\u00e0i c\u1ee7a m\u00e0ng phim khi n\u00f3 \u0111\u01b0\u1ee3c k\u00e9o c\u0103ng.<\/li>\n\n\n\n
- \u0110\u1ed3 g\u00e1 k\u1eb9p:<\/strong> Tay c\u1ea7m chuy\u00ean d\u1ee5ng \u0111\u1ea3m b\u1ea3o m\u1eabu phim \u0111\u01b0\u1ee3c gi\u1eef ch\u1eb7t trong qu\u00e1 tr\u00ecnh th\u1eed nghi\u1ec7m m\u00e0 kh\u00f4ng b\u1ecb tr\u01b0\u1ee3t.<\/li>\n<\/ul>\n\n\n\n
Ph\u00f2ng M\u00f4i tr\u01b0\u1eddng<\/strong><\/h3>\n\n\n\n
Trong m\u1ed9t s\u1ed1 tr\u01b0\u1eddng h\u1ee3p, c\u00e1c y\u1ebfu t\u1ed1 m\u00f4i tr\u01b0\u1eddng nh\u01b0 nhi\u1ec7t \u0111\u1ed9 v\u00e0 \u0111\u1ed9 \u1ea9m c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn \u0111\u1ed9 b\u1ec1n k\u00e9o c\u1ee7a m\u00e0ng nh\u1ef1a. C\u00e1c bu\u1ed3ng m\u00f4i tr\u01b0\u1eddng c\u00f3 th\u1ec3 m\u00f4 ph\u1ecfng c\u00e1c \u0111i\u1ec1u ki\u1ec7n c\u1ee5 th\u1ec3 c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn c\u00e1c \u0111\u1eb7c t\u00ednh c\u1ee7a m\u00e0ng, cung c\u1ea5p k\u1ebft qu\u1ea3 th\u1eed nghi\u1ec7m ch\u00ednh x\u00e1c v\u00e0 mang t\u00ednh \u0111\u1ea1i di\u1ec7n h\u01a1n.<\/p>\n\n\n\n
H\u1ec7 th\u1ed1ng thu th\u1eadp v\u00e0 ph\u00e2n t\u00edch d\u1eef li\u1ec7u<\/strong><\/h3>\n\n\n\n
H\u1ec7 th\u1ed1ng thu th\u1eadp d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 thu th\u1eadp d\u1eef li\u1ec7u l\u1ef1c v\u00e0 \u0111\u1ed9 gi\u00e3n d\u00e0i t\u1eeb th\u1eed nghi\u1ec7m, sau \u0111\u00f3 \u0111\u01b0\u1ee3c ph\u00e2n t\u00edch \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh \u0111\u1ed9 b\u1ec1n k\u00e9o v\u00e0 c\u00e1c \u0111\u1eb7c t\u00ednh c\u01a1 h\u1ecdc kh\u00e1c. C\u00e1c h\u1ec7 th\u1ed1ng n\u00e0y cung c\u1ea5p b\u00e1o c\u00e1o chi ti\u1ebft v\u00e0 \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 ch\u00ednh x\u00e1c v\u00e0 kh\u1ea3 n\u0103ng t\u00e1i t\u1ea1o c\u1ee7a k\u1ebft qu\u1ea3 th\u1eed nghi\u1ec7m.<\/p>\n\n\n\n
\n\n\n\n\u0110\u1ed9 b\u1ec1n k\u00e9o c\u1ee7a m\u00e0ng nh\u1ef1a, \u0111\u1eb7c bi\u1ec7t l\u00e0 m\u00e0ng co gi\u00e3n, l\u00e0 y\u1ebfu t\u1ed1 quan tr\u1ecdng \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 tin c\u1eady v\u00e0 hi\u1ec7u su\u1ea5t c\u1ee7a v\u1eadt li\u1ec7u \u0111\u00f3ng g\u00f3i. ASTM D882 cung c\u1ea5p ph\u01b0\u01a1ng ph\u00e1p th\u1eed nghi\u1ec7m ti\u00eau chu\u1ea9n \u0111\u1ea3m b\u1ea3o m\u00e0ng \u0111\u00e1p \u1ee9ng c\u00e1c y\u00eau c\u1ea7u c\u1ee7a ng\u00e0nh v\u00e0 ho\u1ea1t \u0111\u1ed9ng t\u1ed1i \u01b0u trong \u0111i\u1ec1u ki\u1ec7n th\u1ef1c t\u1ebf. S\u1eed d\u1ee5ng thi\u1ebft b\u1ecb th\u1eed nghi\u1ec7m ph\u00f9 h\u1ee3p, ch\u1eb3ng h\u1ea1n nh\u01b0 m\u00e1y th\u1eed nghi\u1ec7m v\u1ea1n n\u0103ng, \u0111\u1ea3m b\u1ea3o r\u1eb1ng c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t c\u00f3 th\u1ec3 thu \u0111\u01b0\u1ee3c d\u1eef li\u1ec7u ch\u00ednh x\u00e1c \u0111\u1ec3 ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 ph\u00e1t tri\u1ec3n s\u1ea3n ph\u1ea9m.<\/p>","protected":false},"excerpt":{"rendered":"
\u0110\u1ed9 b\u1ec1n k\u00e9o l\u00e0 m\u1ed9t t\u00ednh ch\u1ea5t quan tr\u1ecdng c\u1ee7a m\u00e0ng nh\u1ef1a, \u0111\u1eb7c bi\u1ec7t l\u00e0 m\u00e0ng co gi\u00e3n, v\u00ec n\u00f3 quy\u1ebft \u0111\u1ecbnh kh\u1ea3 n\u0103ng ch\u1ecbu l\u1ef1c k\u00e9o gi\u00e3n m\u00e0 kh\u00f4ng b\u1ecb \u0111\u1ee9t c\u1ee7a v\u1eadt li\u1ec7u. \u0110\u00e2y l\u00e0 m\u1ed9t \u0111\u1eb7c \u0111i\u1ec3m ch\u00ednh cho c\u00e1c \u1ee9ng d\u1ee5ng nh\u01b0 \u0111\u00f3ng g\u00f3i, trong \u0111\u00f3 m\u00e0ng c\u1ea7n ph\u1ea3i k\u00e9o gi\u00e3n v\u00e0 gi\u1eef m\u00e0 kh\u00f4ng b\u1ecb r\u00e1ch. Hi\u1ec3u \u0111\u01b0\u1ee3c \u0111\u1ed9 b\u1ec1n k\u00e9o gi\u00e3n c\u1ee7a m\u00e0ng nh\u1ef1a, \u0111\u1eb7c bi\u1ec7t l\u00e0 m\u00e0ng co gi\u00e3n, l\u00e0 r\u1ea5t quan tr\u1ecdng [\u2026]","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-1115","post","type-post","status-publish","format-standard","hentry","category-wrap-film-test"],"yoast_head":"\n
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M\u00e1y \u0111o \u0111\u1ed9 gi\u00e3n d\u00e0i:<\/strong> \u0110o \u0111\u1ed9 gi\u00e3n d\u00e0i c\u1ee7a m\u00e0ng phim khi n\u00f3 \u0111\u01b0\u1ee3c k\u00e9o c\u0103ng.<\/li>\n\n\n\n
- C\u1ea3m bi\u1ebfn l\u1ef1c:<\/strong> \u0110o l\u1ef1c t\u00e1c d\u1ee5ng v\u00e0o m\u1eabu trong qu\u00e1 tr\u00ecnh th\u1eed nghi\u1ec7m.<\/li>\n\n\n\n
- D\u1eef li\u1ec7u cu\u1ed1i c\u00f9ng bao g\u1ed3m \u0111\u1ed9 b\u1ec1n k\u00e9o, \u0111\u1ed9 gi\u00e3n d\u00e0i khi \u0111\u1ee9t v\u00e0 m\u00f4 \u0111un \u0111\u00e0n h\u1ed3i. C\u00e1c gi\u00e1 tr\u1ecb n\u00e0y gi\u00fap x\u00e1c \u0111\u1ecbnh xem m\u00e0ng phim c\u00f3 \u0111\u00e1p \u1ee9ng c\u00e1c th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt c\u1ea7n thi\u1ebft cho m\u1ee5c \u0111\u00edch s\u1eed d\u1ee5ng d\u1ef1 ki\u1ebfn hay kh\u00f4ng.<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n\n\n