{"id":1150,"date":"2025-03-25T08:12:22","date_gmt":"2025-03-25T08:12:22","guid":{"rendered":"https:\/\/www.wrapfilmtest.com\/?p=1150"},"modified":"2026-01-15T06:03:55","modified_gmt":"2026-01-15T06:03:55","slug":"tensile-strength-of-polyethylene-film","status":"publish","type":"post","link":"https:\/\/www.wrapfilmtest.com\/vi\/tensile-strength-of-polyethylene-film","title":{"rendered":"\u0110\u1ed9 b\u1ec1n k\u00e9o c\u1ee7a m\u00e0ng polyethylene &amp; Ph\u01b0\u01a1ng ph\u00e1p th\u1eed ASTM D882"},"content":{"rendered":"<h2 class=\"wp-block-heading\">Th\u1eed nghi\u1ec7m m\u00e0ng polyethylene v\u00e0 c\u00e1c \u1ee9ng d\u1ee5ng trong c\u00f4ng nghi\u1ec7p<\/h2>\n\n\n\n<p>C\u00e1c <strong>Th\u1eed nghi\u1ec7m m\u00e0ng polyethylene<\/strong> l\u00e0 m\u1ed9t \u0111\u00e1nh gi\u00e1 ch\u1ea5t l\u01b0\u1ee3ng quan tr\u1ecdng gi\u00fap x\u00e1c \u0111\u1ecbnh li\u1ec7u m\u00e0ng phim c\u00f3 th\u1ec3 ch\u1ecbu \u0111\u01b0\u1ee3c l\u1ef1c k\u00e9o gi\u00e3n, l\u1ef1c k\u00e9o ho\u1eb7c c\u00e1c t\u00e1c \u0111\u1ed9ng c\u01a1 h\u1ecdc trong qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t v\u00e0 s\u1eed d\u1ee5ng hay kh\u00f4ng. Trong l\u0129nh v\u1ef1c \u0111\u00f3ng g\u00f3i, \u0111\u1ed9 b\u1ec1n kh\u00f4ng \u0111\u1ee7 c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn vi\u1ec7c m\u00e0ng phim b\u1ecb r\u00e1ch trong qu\u00e1 tr\u00ecnh chi\u1ebft r\u00f3t, h\u00e0n k\u00edn ho\u1eb7c v\u1eadn chuy\u1ec3n. Trong \u0111\u00f3ng g\u00f3i y t\u1ebf ho\u1eb7c d\u01b0\u1ee3c ph\u1ea9m, \u0111\u1ed9 b\u1ec1n k\u00e9o kh\u00f4ng \u0111\u1ee7 c\u00f3 th\u1ec3 l\u00e0m \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn t\u00ednh v\u00f4 tr\u00f9ng v\u00e0 an to\u00e0n cho b\u1ec7nh nh\u00e2n.<\/p>\n\n\n\n<p>C\u00e1c \u1ee9ng d\u1ee5ng bao g\u1ed3m:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Bao b\u00ec d\u1ebbo cho th\u1ef1c ph\u1ea9m v\u00e0 \u0111\u1ed3 u\u1ed1ng<\/li>\n\n\n\n<li>T\u00fai \u0111\u1ef1ng thi\u1ebft b\u1ecb y t\u1ebf v\u00e0 m\u00e0ng v\u1ec9<\/li>\n\n\n\n<li>Bao b\u00ec d\u1ea1ng d\u1ea3i cho d\u01b0\u1ee3c ph\u1ea9m<\/li>\n\n\n\n<li>M\u00e0ng d\u00ednh v\u00e0 m\u00e0ng b\u1ea3o v\u1ec7<\/li>\n\n\n\n<li>V\u1eadt li\u1ec7u \u0111\u00f3ng g\u00f3i c\u00f4ng nghi\u1ec7p<\/li>\n<\/ul>\n\n\n\n<p>B\u1eb1ng c\u00e1ch th\u1ef1c hi\u1ec7n c\u00e1c cu\u1ed9c ki\u1ec3m tra c\u00f3 h\u1ec7 th\u1ed1ng, c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p c\u00f3 th\u1ec3 \u0111\u1ea3m b\u1ea3o t\u00ednh nh\u1ea5t qu\u00e1n <strong>\u0111\u1ed9 b\u1ec1n m\u00e0ng<\/strong> tr\u00ean c\u00e1c l\u00f4 s\u1ea3n ph\u1ea9m v\u00e0 \u0111\u00e1p \u1ee9ng c\u00e1c y\u00eau c\u1ea7u quy \u0111\u1ecbnh.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u0110\u1ed9 b\u1ec1n k\u00e9o l\u00e0 g\u00ec?<\/h3>\n\n\n\n<p><a href=\"https:\/\/www.wrapfilmtest.com\/vi\/tensile-and-elongation-test\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>\u0110\u1ed9 b\u1ec1n k\u00e9o<\/strong><\/a> \u0111\u1ec1 c\u1eadp \u0111\u1ebfn l\u1ef1c t\u1ed1i \u0111a m\u00e0 v\u1eadt li\u1ec7u c\u00f3 th\u1ec3 ch\u1ecbu \u0111\u1ef1ng khi b\u1ecb k\u00e9o gi\u00e3n tr\u01b0\u1edbc khi b\u1ecb \u0111\u1ee9t. \u0110\u1ed1i v\u1edbi m\u00e0ng polyethylene, t\u00ednh ch\u1ea5t n\u00e0y l\u00e0 y\u1ebfu t\u1ed1 quan tr\u1ecdng \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o hi\u1ec7u su\u1ea5t \u1ed5n \u0111\u1ecbnh trong c\u00e1c \u1ee9ng d\u1ee5ng kh\u00e1c nhau nh\u01b0 \u0111\u00f3ng g\u00f3i, b\u1ea3o v\u1ec7 thi\u1ebft b\u1ecb y t\u1ebf v\u00e0 b\u1ecdc h\u00e0ng c\u00f4ng nghi\u1ec7p.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Th\u1eed nghi\u1ec7m \u0111\u1ed9 b\u1ec1n k\u00e9o c\u1ee7a m\u00e0ng: Ph\u01b0\u01a1ng ph\u00e1p v\u00e0 ti\u00eau chu\u1ea9n<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">T\u1ea1i sao ph\u1ea3i ti\u1ebfn h\u00e0nh th\u1eed nghi\u1ec7m \u0111\u1ed9 b\u1ec1n k\u00e9o c\u1ee7a m\u00e0ng?<\/h3>\n\n\n\n<p>M\u1ed8T <strong>th\u1eed nghi\u1ec7m \u0111\u1ed9 b\u1ec1n k\u00e9o m\u00e0ng<\/strong> \u0111\u00e1nh gi\u00e1 c\u00e1c t\u00ednh ch\u1ea5t c\u01a1 h\u1ecdc c\u1ee7a m\u00e0ng polyethylene, bao g\u1ed3m kh\u1ea3 n\u0103ng ch\u1ecbu l\u1ef1c k\u00e9o v\u00e0 bi\u1ebfn d\u1ea1ng. Th\u1eed nghi\u1ec7m n\u00e0y gi\u00fap c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 tin c\u1eady c\u1ee7a s\u1ea3n ph\u1ea9m v\u00e0 s\u1ef1 tu\u00e2n th\u1ee7 c\u00e1c ti\u00eau chu\u1ea9n ng\u00e0nh nh\u01b0 <strong><a href=\"https:\/\/www.wrapfilmtest.com\/vi\/astm-d882\/\">Ti\u00eau chu\u1ea9n ASTMD882<\/a><\/strong>.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">C\u00e1c ph\u01b0\u01a1ng ph\u00e1p th\u1eed nghi\u1ec7m \u0111\u1ed9 b\u1ec1n k\u00e9o c\u1ee7a m\u00e0ng<\/h3>\n\n\n\n<p>Ph\u01b0\u01a1ng ph\u00e1p ph\u1ed5 bi\u1ebfn nh\u1ea5t \u0111\u1ec3 \u0111o l\u01b0\u1eddng <strong>\u0111\u1ed9 b\u1ec1n k\u00e9o c\u1ee7a m\u00e0ng<\/strong> \u0111ang s\u1eed d\u1ee5ng m\u1ed9t <strong>m\u00e1y th\u1eed \u0111\u1ed9 b\u1ec1n k\u00e9o<\/strong>, ch\u1eb3ng h\u1ea1n nh\u01b0 <strong>D\u1ee5ng c\u1ee5 t\u1ebf b\u00e0o <a href=\"https:\/\/www.wrapfilmtest.com\/vi\/tensile-and-elongation-tester\/\">M\u00e1y ki\u1ec3m tra \u0111\u1ed9 b\u1ec1n k\u00e9o TST-01<\/a><\/strong>. Quy tr\u00ecnh n\u00e0y bao g\u1ed3m:<\/p>\n\n\n\n<ol start=\"1\" class=\"wp-block-list\">\n<li><strong>Chu\u1ea9n b\u1ecb m\u1eabu<\/strong> \u2013 C\u00e1c m\u1eabu m\u00e0ng polyethylene \u0111\u01b0\u1ee3c c\u1eaft theo k\u00edch th\u01b0\u1edbc c\u1ee5 th\u1ec3 nh\u01b0 sau <a href=\"https:\/\/www.astm.org\/d0882-18.html\" target=\"_blank\" rel=\"noreferrer noopener\">Ti\u00eau chu\u1ea9n ASTMD882<\/a> h\u01b0\u1edbng d\u1eabn.<\/li>\n\n\n\n<li><strong>K\u1eb9p m\u1eabu<\/strong> \u2013 M\u1eabu \u0111\u01b0\u1ee3c \u0111\u1eb7t ch\u1eafc ch\u1eafn v\u00e0o k\u1eb9p c\u1ee7a m\u00e1y th\u1eed nghi\u1ec7m.<\/li>\n\n\n\n<li><strong>\u00c1p d\u1ee5ng l\u1ef1c<\/strong> \u2013 M\u00e1y t\u1eeb t\u1eeb k\u00e9o m\u1eabu cho \u0111\u1ebfn khi m\u1eabu b\u1ecb \u0111\u1ee9t, \u0111\u1ed3ng th\u1eddi ghi l\u1ea1i l\u1ef1c t\u00e1c d\u1ee5ng l\u00ean m\u1eabu.<\/li>\n\n\n\n<li><strong>Ph\u00e2n t\u00edch k\u1ebft qu\u1ea3<\/strong> \u2013 D\u1eef li\u1ec7u v\u1ec1 \u0111\u1ed9 b\u1ec1n k\u00e9o t\u1ed1i \u0111a, \u0111\u1ed9 gi\u00e3n d\u00e0i v\u00e0 h\u00ecnh th\u1ee9c h\u01b0 h\u1ecfng \u0111\u01b0\u1ee3c thu th\u1eadp.<\/li>\n<\/ol>\n\n\n\n<h2 class=\"wp-block-heading\">C\u00e1c y\u1ebfu t\u1ed1 ch\u00ednh \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn \u0111\u1ed9 b\u1ec1n k\u00e9o c\u1ee7a m\u00e0ng polyethylene<\/h2>\n\n\n\n<p>M\u1ed9t s\u1ed1 <strong>c\u00e1c y\u1ebfu t\u1ed1 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn \u0111\u1ed9 b\u1ec1n k\u00e9o<\/strong> c\u1ea7n \u0111\u01b0\u1ee3c xem x\u00e9t khi \u0111\u00e1nh gi\u00e1 m\u00e0ng polyethylene:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Kh\u1ed1i l\u01b0\u1ee3ng ph\u00e2n t\u1eed v\u00e0 m\u1eadt \u0111\u1ed9<\/strong> \u2013 Polyethylene m\u1eadt \u0111\u1ed9 cao (HDPE) th\u01b0\u1eddng c\u00f3 \u0111\u1ed9 b\u1ec1n k\u00e9o cao h\u01a1n so v\u1edbi polyethylene m\u1eadt \u0111\u1ed9 th\u1ea5p (LDPE).<\/li>\n\n\n\n<li><strong>\u0110\u1ed9 d\u00e0y m\u00e0ng<\/strong> \u2013 C\u00e1c l\u1edbp m\u00e0ng d\u00e0y h\u01a1n th\u01b0\u1eddng c\u00f3 \u0111\u1ed9 b\u1ec1n cao h\u01a1n nh\u01b0ng c\u00f3 th\u1ec3 l\u00e0m gi\u1ea3m \u0111\u1ed9 d\u1ebbo dai.<\/li>\n\n\n\n<li><strong>\u0110i\u1ec1u ki\u1ec7n ch\u1ebf bi\u1ebfn<\/strong> \u2013 T\u1ed1c \u0111\u1ed9 \u0111\u00f9n, t\u1ed1c \u0111\u1ed9 l\u00e0m m\u00e1t v\u00e0 h\u01b0\u1edbng k\u00e9o gi\u00e3n \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn s\u1ef1 s\u1eafp x\u1ebfp c\u1ee7a chu\u1ed7i polymer.<\/li>\n\n\n\n<li><strong>Ph\u1ee5 gia v\u00e0 ch\u1ea5t \u0111\u1ed9n<\/strong> \u2013 Ch\u1ea5t \u1ed5n \u0111\u1ecbnh, ch\u1ea5t t\u1ea1o m\u00e0u ho\u1eb7c th\u00e0nh ph\u1ea7n t\u00e1i ch\u1ebf c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn t\u00ednh ch\u1ea5t ch\u1ecbu k\u00e9o.<\/li>\n\n\n\n<li><strong>\u0110i\u1ec1u ki\u1ec7n m\u00f4i tr\u01b0\u1eddng<\/strong> \u2013 \u0110\u1ed9 \u1ea9m, nhi\u1ec7t \u0111\u1ed9 v\u00e0 t\u00e1c \u0111\u1ed9ng c\u1ee7a tia UV c\u00f3 th\u1ec3 l\u00e0m suy gi\u1ea3m \u0111\u1ed9 b\u1ec1n c\u1ee7a m\u00e0ng theo th\u1eddi gian.<\/li>\n<\/ol>\n\n\n\n<p>Vi\u1ec7c ki\u1ec3m so\u00e1t c\u00e1c y\u1ebfu t\u1ed1 n\u00e0y trong qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng \u1ed5n \u0111\u1ecbnh v\u00e0 c\u00f3 th\u1ec3 d\u1ef1 \u0111o\u00e1n \u0111\u01b0\u1ee3c <strong>Th\u1eed nghi\u1ec7m \u0111\u1ed9 b\u1ec1n k\u00e9o \u0111\u1ed1i v\u1edbi m\u00e0ng nh\u1ef1a<\/strong> k\u1ebft qu\u1ea3.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u0110\u1ed9 b\u1ec1n k\u00e9o c\u1ee7a m\u00e0ng nh\u1ef1a v\u00e0 ti\u00eau chu\u1ea9n ASTM D882<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">T\u1ea1i sao c\u1ea7n th\u1ef1c hi\u1ec7n th\u1eed nghi\u1ec7m \u0111\u1ed9 b\u1ec1n k\u00e9o m\u00e0ng phim?<\/h3>\n\n\n\n<p>M\u1ed8T <strong>th\u1eed nghi\u1ec7m \u0111\u1ed9 b\u1ec1n k\u00e9o m\u00e0ng<\/strong> x\u00e1c \u0111\u1ecbnh \u0111\u1ed9 b\u1ec1n, \u0111\u1ed9 \u0111\u00e0n h\u1ed3i v\u00e0 \u0111\u1ed9 gi\u00e3n d\u00e0i c\u1ee7a m\u00e0ng, \u0111\u1ea3m b\u1ea3o r\u1eb1ng s\u1ea3n ph\u1ea9m \u0111\u00e1p \u1ee9ng c\u00e1c ti\u00eau chu\u1ea9n v\u1ec1 ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 an to\u00e0n. Th\u1eed nghi\u1ec7m n\u00e0y l\u00e0 kh\u00f4ng th\u1ec3 thi\u1ebfu \u0111\u1ed1i v\u1edbi c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p c\u1ea7n m\u00e0ng b\u1ec1n v\u00e0 d\u1ebbo dai, ch\u1eb3ng h\u1ea1n nh\u01b0 bao b\u00ec th\u1ef1c ph\u1ea9m v\u00e0 c\u00e1c \u1ee9ng d\u1ee5ng y t\u1ebf.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Quy tr\u00ecnh th\u1eed nghi\u1ec7m theo ti\u00eau chu\u1ea9n ASTM D882<\/h3>\n\n\n\n<p>Th\u1eed nghi\u1ec7m \u0111\u1ed9 b\u1ec1n k\u00e9o c\u1ee7a m\u00e0ng tu\u00e2n th\u1ee7 ti\u00eau chu\u1ea9n ASTM D882, \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 ch\u00ednh x\u00e1c v\u00e0 kh\u1ea3 n\u0103ng l\u1eb7p l\u1ea1i:<\/p>\n\n\n\n<ol start=\"1\" class=\"wp-block-list\">\n<li><strong>Chu\u1ea9n b\u1ecb m\u1eabu<\/strong>: C\u00e1c d\u1ea3i m\u00e0ng polyethylene \u0111\u1ed3ng nh\u1ea5t (r\u1ed9ng t\u1eeb 5,0 mm \u0111\u1ebfn 25,4 mm) \u0111\u01b0\u1ee3c c\u1eaft ra, \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 d\u00e0y \u0111\u1ed3ng \u0111\u1ec1u v\u00e0 h\u1ea1n ch\u1ebf t\u1ed1i \u0111a c\u00e1c khuy\u1ebft t\u1eadt \u1edf m\u00e9p.<\/li>\n\n\n\n<li><strong>Thi\u1ebft l\u1eadp th\u1eed nghi\u1ec7m<\/strong>: M\u1eabu \u0111\u01b0\u1ee3c \u0111\u1eb7t gi\u1eefa hai k\u1eb9p c\u1ee7a m\u1ed9t <strong>m\u00e1y th\u1eed \u0111\u1ed9 b\u1ec1n k\u00e9o<\/strong>, ch\u1eb3ng h\u1ea1n nh\u01b0 <strong>M\u00e1y th\u1eed \u0111\u1ed9 b\u1ec1n k\u00e9o Cell Instruments TST-01<\/strong>.<\/li>\n\n\n\n<li><strong>Vi\u1ec7c s\u1eed d\u1ee5ng v\u0169 l\u1ef1c<\/strong>: T\u1ed1c \u0111\u1ed9 di chuy\u1ec3n c\u1ee7a \u0111\u1ea7u k\u00e9o \u0111\u01b0\u1ee3c duy tr\u00ec \u1ed5n \u0111\u1ecbnh \u0111\u1ec3 k\u00e9o c\u0103ng m\u1eabu th\u1eed cho \u0111\u1ebfn khi n\u00f3 b\u1ecb \u0111\u1ee9t.<\/li>\n\n\n\n<li><strong>Thu th\u1eadp d\u1eef li\u1ec7u<\/strong>: L\u1ef1c v\u00e0 \u0111\u1ed9 gi\u00e3n d\u00e0i \u0111\u01b0\u1ee3c ghi l\u1ea1i \u0111\u1ec3 t\u00ednh to\u00e1n c\u00e1c th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt nh\u01b0 \u0111\u1ed9 b\u1ec1n k\u00e9o, m\u00f4-\u0111un \u0111\u00e0n h\u1ed3i v\u00e0 t\u1ef7 l\u1ec7 ph\u1ea7n tr\u0103m \u0111\u1ed9 gi\u00e3n d\u00e0i.<\/li>\n\n\n\n<li><strong>Gi\u1ea3i th\u00edch k\u1ebft qu\u1ea3<\/strong>: C\u00e1c gi\u00e1 tr\u1ecb thu \u0111\u01b0\u1ee3c gi\u00fap \u00edch cho vi\u1ec7c l\u1ef1a ch\u1ecdn v\u1eadt li\u1ec7u, c\u1ea3i ti\u1ebfn quy tr\u00ecnh v\u00e0 ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng.<\/li>\n<\/ol>\n\n\n\n<h3 class=\"wp-block-heading\">\u0110\u1ed9 b\u1ec1n k\u00e9o c\u1ee7a m\u00e0ng: Ph\u01b0\u01a1ng ph\u00e1p \u0111o l\u01b0\u1eddng v\u00e0 gi\u1ea3i th\u00edch<\/h3>\n\n\n\n<p><strong>\u0110\u1ed9 b\u1ec1n k\u00e9o c\u1ee7a m\u00e0ng<\/strong> \u0111\u01b0\u1ee3c bi\u1ec3u th\u1ecb l\u00e0 \u1ee9ng su\u1ea5t t\u1ed1i \u0111a m\u00e0 v\u1eadt li\u1ec7u c\u00f3 th\u1ec3 ch\u1ecbu \u0111\u1ef1ng \u0111\u01b0\u1ee3c tr\u01b0\u1edbc khi b\u1ecb g\u00e3y. Gi\u00e1 tr\u1ecb n\u00e0y \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 c\u1ee7a m\u1eabu th\u1eed.<\/p>\n\n\n\n<p>C\u00e1c ch\u1ec9 s\u1ed1 ch\u00ednh bao g\u1ed3m:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u0110\u1ed9 b\u1ec1n k\u00e9o t\u1ed1i \u0111a (UTS):<\/strong> \u00c1p l\u1ef1c t\u1ed1i \u0111a tr\u01b0\u1edbc khi \u0111\u1ee9t<\/li>\n\n\n\n<li><strong>Gi\u1edbi h\u1ea1n ch\u1ea3y:<\/strong> \u00c1p su\u1ea5t t\u1ea1i \u0111\u00f3 bi\u1ebfn d\u1ea1ng v\u0129nh vi\u1ec5n b\u1eaft \u0111\u1ea7u<\/li>\n\n\n\n<li><strong>\u0110\u1ed9 gi\u00e3n d\u00e0i khi \u0111\u1ee9t:<\/strong> Kh\u1ea3 n\u0103ng k\u00e9o gi\u00e3n tr\u01b0\u1edbc khi b\u1ecb \u0111\u1ee9t<\/li>\n<\/ul>\n\n\n\n<p>\u0110\u1ed1i v\u1edbi m\u00e0ng polyethylene, \u0111\u1ed9 b\u1ec1n k\u00e9o cao v\u00e0 \u0111\u1ed9 gi\u00e3n d\u00e0i c\u00e2n b\u1eb1ng l\u00e0 nh\u1eefng y\u1ebfu t\u1ed1 quan tr\u1ecdng \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o m\u00e0ng kh\u00f4ng b\u1ecb r\u00e1ch trong qu\u00e1 tr\u00ecnh \u0111\u00f3ng g\u00f3i, \u0111\u1ed3ng th\u1eddi v\u1eabn gi\u1eef \u0111\u01b0\u1ee3c \u0111\u1ed9 d\u1ebbo dai c\u1ea7n thi\u1ebft cho vi\u1ec7c h\u00e0n k\u00edn v\u00e0 x\u1eed l\u00fd.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">L\u1ef1a ch\u1ecdn thi\u1ebft b\u1ecb ph\u00f9 h\u1ee3p: M\u00e1y th\u1eed \u0111\u1ed9 b\u1ec1n k\u00e9o Cell Instruments TST-01<\/h2>\n\n\n\n<p>\u0110\u1ec3 \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 ch\u00ednh x\u00e1c <strong>\u0111\u1ed9 b\u1ec1n k\u00e9o c\u1ee7a m\u00e0ng<\/strong> c\u00e1c s\u1ed1 \u0111o, <strong>TST-01 <a href=\"https:\/\/www.wrapfilmtest.com\/vi\/tensile-and-elongation-tester\/\" target=\"_blank\" rel=\"noreferrer noopener\">M\u00e1y th\u1eed \u0111\u1ed9 b\u1ec1n k\u00e9o<\/a><\/strong> t\u1eeb <strong>D\u1ee5ng c\u1ee5 t\u1ebf b\u00e0o<\/strong> l\u00e0 s\u1ef1 l\u1ef1a ch\u1ecdn l\u00fd t\u01b0\u1edfng. Thi\u1ebft b\u1ecb n\u00e0y mang l\u1ea1i:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u0110o l\u1ef1c v\u1edbi \u0111\u1ed9 ch\u00ednh x\u00e1c cao<\/strong> v\u1edbi \u0111\u1ed9 ch\u00ednh x\u00e1c \u00b12%.<\/li>\n\n\n\n<li><strong>T\u1ed1c \u0111\u1ed9 \u0111i\u1ec1u ch\u1ec9nh kho\u1ea3ng c\u00e1ch gi\u1eefa c\u00e1c tay c\u1ea7m<\/strong> \u0111\u1ec3 tu\u00e2n th\u1ee7 ti\u00eau chu\u1ea9n ASTM D882.<\/li>\n\n\n\n<li><strong>T\u00ednh linh ho\u1ea1t<\/strong> \u0111\u1ec3 th\u1eed nghi\u1ec7m c\u00e1c lo\u1ea1i v\u1eadt li\u1ec7u kh\u00e1c nhau, bao g\u1ed3m nh\u1ef1a, m\u00e0ng, ch\u1ea5t k\u1ebft d\u00ednh v\u00e0 nhi\u1ec1u lo\u1ea1i kh\u00e1c.<\/li>\n<\/ul>\n\n\n\n<p>Ki\u1ec3m tra <strong>\u0111\u1ed9 b\u1ec1n k\u00e9o c\u1ee7a m\u00e0ng polyethylene<\/strong> l\u00e0 y\u1ebfu t\u1ed1 quan tr\u1ecdng \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 hi\u1ec7u su\u1ea5t c\u1ee7a s\u1ea3n ph\u1ea9m. B\u1eb1ng c\u00e1ch tu\u00e2n th\u1ee7 c\u00e1c ti\u00eau chu\u1ea9n ng\u00e0nh nh\u01b0 <strong>Ti\u00eau chu\u1ea9n ASTMD882<\/strong> v\u00e0 s\u1eed d\u1ee5ng c\u00e1c thi\u1ebft b\u1ecb ki\u1ec3m tra \u0111\u00e1ng tin c\u1eady nh\u01b0 <strong>Thi\u1ebft b\u1ecb t\u1ebf b\u00e0o TST-01<\/strong>, c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t c\u00f3 th\u1ec3 duy tr\u00ec ch\u1ea5t l\u01b0\u1ee3ng \u1ed5n \u0111\u1ecbnh v\u00e0 n\u00e2ng cao \u0111\u1ed9 b\u1ec1n c\u1ee7a s\u1ea3n ph\u1ea9m.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p v\u1ec1 \u0111\u1ed9 b\u1ec1n k\u00e9o<\/h2>\n\n\n\n<p><strong>1. T\u1ea1i sao \u0111\u1ed9 b\u1ec1n k\u00e9o l\u1ea1i quan tr\u1ecdng \u0111\u1ed1i v\u1edbi m\u00e0ng polyethylene?<\/strong><br>\u0110\u1ed9 b\u1ec1n k\u00e9o quy\u1ebft \u0111\u1ecbnh \u0111\u1ed9 b\u1ec1n v\u00e0 hi\u1ec7u su\u1ea5t c\u1ee7a m\u00e0ng polyethylene trong c\u00e1c \u1ee9ng d\u1ee5ng \u0111\u00f3ng g\u00f3i, y t\u1ebf v\u00e0 c\u00f4ng nghi\u1ec7p.<\/p>\n\n\n\n<p><strong>2. Thi\u1ebft b\u1ecb n\u00e0o \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 th\u1eed nghi\u1ec7m \u0111\u1ed9 b\u1ec1n k\u00e9o c\u1ee7a m\u00e0ng nh\u1ef1a?<\/strong><br>M\u1ed8T <strong>m\u00e1y th\u1eed \u0111\u1ed9 b\u1ec1n k\u00e9o<\/strong> gi\u1ed1ng nh\u01b0 <strong>Thi\u1ebft b\u1ecb t\u1ebf b\u00e0o TST-01<\/strong> th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 ph\u00e2n t\u00edch \u0111\u1ed9 b\u1ec1n k\u00e9o c\u1ee7a m\u00e0ng.<\/p>\n\n\n\n<p><strong>3. Nh\u1eefng y\u1ebfu t\u1ed1 n\u00e0o \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn \u0111\u1ed9 b\u1ec1n k\u00e9o c\u1ee7a m\u00e0ng polyethylene?<\/strong><br>\u0110\u1ed9 d\u00e0y m\u00e0ng, quy tr\u00ecnh s\u1ea3n xu\u1ea5t, \u0111i\u1ec1u ki\u1ec7n m\u00f4i tr\u01b0\u1eddng v\u00e0 c\u00e1c ch\u1ea5t ph\u1ee5 gia \u0111\u1ec1u \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn c\u00e1c t\u00ednh ch\u1ea5t c\u01a1 h\u1ecdc khi k\u00e9o.<\/p>\n\n\n\n<p>4<strong>. L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o k\u1ebft qu\u1ea3 th\u1eed nghi\u1ec7m \u0111\u1ed9 b\u1ec1n k\u00e9o ch\u00ednh x\u00e1c?<\/strong><br>S\u1eed d\u1ee5ng m\u00e1y th\u1eed \u0111\u1ed9 b\u1ec1n k\u00e9o ch\u1ea5t l\u01b0\u1ee3ng cao nh\u01b0 <strong>TST-01<\/strong>, tu\u00e2n th\u1ee7 c\u00e1c h\u01b0\u1edbng d\u1eabn c\u1ee7a ti\u00eau chu\u1ea9n ASTM D882 v\u00e0 ki\u1ec3m so\u00e1t c\u00e1c \u0111i\u1ec1u ki\u1ec7n m\u00f4i tr\u01b0\u1eddng nh\u1eb1m \u0111\u1ea3m b\u1ea3o k\u1ebft qu\u1ea3 th\u1eed nghi\u1ec7m \u0111\u00e1ng tin c\u1eady.<\/p>\n\n\n\n<p><\/p>","protected":false},"excerpt":{"rendered":"<p>Ki\u1ec3m tra m\u00e0ng polyethylene v\u00e0 \u1ee9ng d\u1ee5ng trong ng\u00e0nh Ki\u1ec3m tra m\u00e0ng polyethylene l\u00e0 m\u1ed9t \u0111\u00e1nh gi\u00e1 ch\u1ea5t l\u01b0\u1ee3ng quan tr\u1ecdng gi\u00fap x\u00e1c \u0111\u1ecbnh li\u1ec7u m\u00e0ng c\u00f3 th\u1ec3 ch\u1ecbu \u0111\u01b0\u1ee3c l\u1ef1c k\u00e9o, l\u1ef1c k\u00e9o c\u0103ng ho\u1eb7c \u00e1p l\u1ef1c c\u01a1 h\u1ecdc trong qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t v\u00e0 s\u1eed d\u1ee5ng hay kh\u00f4ng. Trong \u0111\u00f3ng g\u00f3i, \u0111\u1ed9 b\u1ec1n kh\u00f4ng \u0111\u1ee7 c\u00f3 th\u1ec3 g\u00e2y ra t\u00ecnh tr\u1ea1ng m\u00e0ng b\u1ecb r\u00e1ch trong qu\u00e1 tr\u00ecnh \u0111\u00f3ng g\u00f3i, h\u00e0n k\u00edn ho\u1eb7c v\u1eadn chuy\u1ec3n. Trong \u0111\u00f3ng g\u00f3i y t\u1ebf ho\u1eb7c d\u01b0\u1ee3c ph\u1ea9m, \u0111\u1ed9 b\u1ec1n k\u00e9o kh\u00f4ng \u0111\u1ee7 c\u00f3 th\u1ec3 l\u00e0m suy gi\u1ea3m [\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-1150","post","type-post","status-publish","format-standard","hentry","category-wrap-film-test"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.0 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Tensile Strength of Polyethylene Film &amp; ASTM D882 Test - Wrap Film Test<\/title>\n<meta name=\"description\" content=\"Learn about tensile strength of polyethylene film, ASTM D882 specimen dimensions, test methods, and factors influencing film strength.\" \/>\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-polyethylene-film\" \/>\n<meta property=\"og:locale\" content=\"vi_VN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Tensile Strength of Polyethylene Film &amp; 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