{"id":1122,"date":"2025-02-25T07:41:09","date_gmt":"2025-02-25T07:41:09","guid":{"rendered":"https:\/\/www.wrapfilmtest.com\/?p=1122"},"modified":"2026-01-15T06:03:56","modified_gmt":"2026-01-15T06:03:56","slug":"measure-the-stretch-film-quality-for-packaging","status":"publish","type":"post","link":"https:\/\/www.wrapfilmtest.com\/vi\/measure-the-stretch-film-quality-for-packaging","title":{"rendered":"Hi\u1ec3u c\u00e1c y\u1ebfu t\u1ed1 ch\u00ednh \u0111\u1ec3 \u0111o l\u01b0\u1eddng ch\u1ea5t l\u01b0\u1ee3ng m\u00e0ng c\u0103ng"},"content":{"rendered":"<p class=\"has-text-align-center\"><font color=\"#004B99\"><strong>\u201cM\u00e0ng c\u0103ng (ho\u1eb7c m\u00e0ng qu\u1ea5n c\u0103ng) l\u00e0 m\u1ed9t trong nh\u1eefng v\u1eadt li\u1ec7u \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i nh\u1ea5t trong ng\u00e0nh \u0111\u00f3ng g\u00f3i, r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 b\u1ea3o v\u1ec7 h\u00e0ng h\u00f3a trong qu\u00e1 tr\u00ecnh l\u01b0u tr\u1eef v\u00e0 v\u1eadn chuy\u1ec3n. \u0110\u1ec3 \u0111\u1ea3m b\u1ea3o r\u1eb1ng n\u00f3 cung c\u1ea5p kh\u1ea3 n\u0103ng b\u1ea3o v\u1ec7 \u0111\u00e1ng tin c\u1eady, \u0111i\u1ec1u c\u1ea7n thi\u1ebft l\u00e0 ph\u1ea3i \u0111o l\u01b0\u1eddng ch\u1ea5t l\u01b0\u1ee3ng c\u1ee7a n\u00f3.\u201d<\/strong><\/font><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">1. <strong>\u0110\u1ed9 b\u1ec1n k\u00e9o<\/strong>: \u0110o \u0111\u1ed9 b\u1ec1n c\u1ee7a m\u00e0ng c\u0103ng<\/h2>\n\n\n\n<p><strong><a href=\"https:\/\/www.wrapfilmtest.com\/vi\/tensile-and-elongation-test\/\" target=\"_blank\" rel=\"noreferrer noopener\">\u0110\u1ed9 b\u1ec1n k\u00e9o<\/a><\/strong> l\u00e0 m\u1ed9t trong nh\u1eefng y\u1ebfu t\u1ed1 ch\u00ednh khi \u0111\u00e1nh gi\u00e1 ch\u1ea5t l\u01b0\u1ee3ng m\u00e0ng c\u0103ng. T\u00ednh ch\u1ea5t n\u00e0y cho bi\u1ebft m\u00e0ng c\u00f3 th\u1ec3 ch\u1ecbu \u0111\u01b0\u1ee3c l\u1ef1c bao nhi\u00eau tr\u01b0\u1edbc khi b\u1ecb \u0111\u1ee9t. Th\u1eed nghi\u1ec7m ph\u1ed5 bi\u1ebfn nh\u1ea5t \u0111\u1ec3 \u0111o \u0111\u1ed9 b\u1ec1n k\u00e9o l\u00e0 <strong>Ti\u00eau chu\u1ea9n ASTMD882<\/strong> ph\u01b0\u01a1ng ph\u00e1p n\u00e0y bao g\u1ed3m vi\u1ec7c k\u00e9o c\u0103ng m\u00e0ng cho \u0111\u1ebfn khi r\u00e1ch, ghi l\u1ea1i l\u1ef1c c\u1ea7n thi\u1ebft. \u0110\u1ed9 b\u1ec1n k\u00e9o cao r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 \u0111\u00f3ng g\u00f3i c\u00e1c t\u1ea3i n\u1eb7ng h\u01a1n, ng\u0103n ng\u1eeba h\u01b0 h\u1ecfng trong qu\u00e1 tr\u00ecnh v\u1eadn chuy\u1ec3n v\u00e0 \u0111\u1ea3m b\u1ea3o m\u00e0ng v\u1eabn nguy\u00ean v\u1eb9n ngay c\u1ea3 khi ch\u1ecbu \u00e1p l\u1ef1c.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">2. <strong>Kh\u1ea3 n\u0103ng ch\u1ed1ng \u0111\u00e2m th\u1ee7ng<\/strong>:M\u00e0ng phim c\u0103ng c\u1ee7a b\u1ea1n c\u00f3 b\u1ec1n kh\u00f4ng?<\/h2>\n\n\n\n<p>\u0110\u1ed9 ch\u1ed1ng \u0111\u00e2m th\u1ee7ng \u0111o kh\u1ea3 n\u0103ng ch\u1ecbu \u0111\u01b0\u1ee3c c\u00e1c v\u1eadt s\u1eafc nh\u1ecdn v\u00e0 va ch\u1ea1m m\u1ea1nh c\u1ee7a m\u00e0ng phim. <strong><a href=\"https:\/\/www.wrapfilmtest.com\/vi\/falling-dart-impact-test\/\" target=\"_blank\" rel=\"noreferrer noopener\">ASTM D1709 Th\u1eed nghi\u1ec7m va \u0111\u1eadp phi ti\u00eau<\/a><\/strong> th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 \u0111\u00e1nh gi\u00e1 t\u00ednh ch\u1ea5t n\u00e0y. M\u1ed9t phi ti\u00eau c\u00f3 tr\u1ecdng l\u01b0\u1ee3ng \u0111\u01b0\u1ee3c th\u1ea3 xu\u1ed1ng m\u00e0ng \u0111\u1ec3 ki\u1ec3m tra \u0111\u1ed9 b\u1ec1n c\u1ee7a n\u00f3 ch\u1ed1ng l\u1ea1i c\u00e1c v\u1ebft th\u1ee7ng. M\u00e0ng c\u0103ng c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng th\u1ee7ng tuy\u1ec7t v\u1eddi gi\u00fap \u0111\u1ea3m b\u1ea3o h\u00e0ng h\u00f3a \u0111\u01b0\u1ee3c b\u1ea3o v\u1ec7 t\u1ed1t, \u0111\u1eb7c bi\u1ec7t l\u00e0 khi b\u1ecdc c\u00e1c m\u1eb7t h\u00e0ng s\u1eafc nh\u1ecdn ho\u1eb7c c\u00f3 h\u00ecnh d\u1ea1ng kh\u00f4ng \u0111\u1ec1u.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">3. <strong>Gi\u1eef t\u1ea3i<\/strong>: Gi\u1eef h\u00e0ng h\u00f3a c\u1ee7a b\u1ea1n an to\u00e0n theo th\u1eddi gian<\/h2>\n\n\n\n<p>M\u1ed9t y\u1ebfu t\u1ed1 quan tr\u1ecdng kh\u00e1c l\u00e0 <strong>gi\u1eef t\u1ea3i<\/strong>, \u0111\u1ec1 c\u1eadp \u0111\u1ebfn m\u1ee9c \u0111\u1ed9 m\u00e0ng c\u0103ng gi\u1eef \u0111\u01b0\u1ee3c \u0111\u1ed9 c\u0103ng c\u1ee7a n\u00f3 xung quanh m\u1ed9t t\u1ea3i tr\u1ecdng trong qu\u00e1 tr\u00ecnh l\u01b0u tr\u1eef ho\u1eb7c v\u1eadn chuy\u1ec3n. M\u1ed9t m\u00e0ng c\u00f3 kh\u1ea3 n\u0103ng gi\u1eef t\u1ea3i tr\u1ecdng cao s\u1ebd duy tr\u00ec \u0111\u01b0\u1ee3c \u0111\u1ed9 ch\u1eb7t theo th\u1eddi gian, gi\u1ea3m nguy c\u01a1 s\u1ea3n ph\u1ea9m b\u1ecb x\u00ea d\u1ecbch. \u0110i\u1ec1u n\u00e0y \u0111\u1eb7c bi\u1ec7t quan tr\u1ecdng \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o t\u00ednh \u1ed5n \u0111\u1ecbnh trong qu\u00e1 tr\u00ecnh l\u01b0u tr\u1eef ho\u1eb7c v\u1eadn chuy\u1ec3n l\u00e2u d\u00e0i.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">4. <strong>B\u00e1m ch\u1eb7t<\/strong>: B\u1ed9 phim c\u00f3 b\u00e1m s\u00e1t n\u1ed9i dung ch\u00ednh kh\u00f4ng?<\/h2>\n\n\n\n<p><a href=\"https:\/\/www.wrapfilmtest.com\/vi\/peel-cling-test\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>B\u00e1m ch\u1eb7t<\/strong> <\/a>\u0111\u1ec1 c\u1eadp \u0111\u1ebfn kh\u1ea3 n\u0103ng t\u1ef1 d\u00ednh c\u1ee7a m\u00e0ng phim m\u00e0 kh\u00f4ng c\u1ea7n s\u1eed d\u1ee5ng ch\u1ea5t k\u1ebft d\u00ednh. M\u1ed9t m\u00e0ng phim c\u00f3 \u0111\u1ed9 b\u00e1m d\u00ednh m\u1ea1nh \u0111\u1ea3m b\u1ea3o r\u1eb1ng n\u00f3 v\u1eabn c\u1ed1 \u0111\u1ecbnh ch\u1eafc ch\u1eafn t\u1ea1i ch\u1ed7 trong qu\u00e1 tr\u00ecnh l\u01b0u tr\u1eef v\u00e0 v\u1eadn chuy\u1ec3n. C\u00e1c th\u1eed nghi\u1ec7m v\u1ec1 \u0111\u1ed9 b\u00e1m d\u00ednh th\u01b0\u1eddng l\u00e0 \u0111\u1ecbnh t\u00ednh, trong \u0111\u00f3 kh\u1ea3 n\u0103ng t\u1ef1 d\u00ednh c\u1ee7a m\u00e0ng phim \u0111\u01b0\u1ee3c \u0111\u00e1nh gi\u00e1 sau khi b\u1ecdc m\u1ed9t t\u1ea3i. T\u00ednh n\u0103ng n\u00e0y r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 ng\u0103n m\u00e0ng phim b\u1ecb bung ra v\u00e0 \u0111\u1ea3m b\u1ea3o b\u1ea3o v\u1ec7 t\u1ed1i \u0111a cho h\u00e0ng h\u00f3a c\u1ee7a b\u1ea1n.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">5. <strong>\u0110\u1ed9 d\u00e0y m\u00e0ng<\/strong>: T\u00ecm s\u1ef1 c\u00e2n b\u1eb1ng ph\u00f9 h\u1ee3p<\/h2>\n\n\n\n<p><strong>\u0110\u1ed9 d\u00e0y m\u00e0ng<\/strong>, c\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 gauge, l\u00e0 m\u1ed9t y\u1ebfu t\u1ed1 quan tr\u1ecdng trong vi\u1ec7c x\u00e1c \u0111\u1ecbnh \u0111\u1ed9 b\u1ec1n v\u00e0 \u0111\u1ed9 linh ho\u1ea1t c\u1ee7a m\u00e0ng c\u0103ng. M\u00e0ng d\u00e0y h\u01a1n c\u00f3 xu h\u01b0\u1edbng b\u1ec1n h\u01a1n, trong khi m\u00e0ng m\u1ecfng h\u01a1n linh ho\u1ea1t h\u01a1n. C\u1ee1 ch\u00ednh x\u00e1c ph\u1ee5 thu\u1ed9c v\u00e0o b\u1ea3n ch\u1ea5t c\u1ee7a t\u1ea3i \u0111\u01b0\u1ee3c b\u1ecdc. C\u00e1c m\u1eb7t h\u00e0ng n\u1eb7ng h\u01a1n y\u00eau c\u1ea7u m\u00e0ng d\u00e0y h\u01a1n, trong khi c\u00e1c m\u1eb7t h\u00e0ng nh\u1eb9 h\u01a1n c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c h\u01b0\u1edfng l\u1ee3i t\u1eeb m\u00e0ng m\u1ecfng h\u01a1n, \u0111\u00e0n h\u1ed3i h\u01a1n. <strong>\u0110\u1ec3 ch\u00ednh x\u00e1c <a href=\"https:\/\/www.wrapfilmtest.com\/vi\/thickness-test\/\" target=\"_blank\" rel=\"noreferrer noopener\">\u0111o \u0111\u1ed9 d\u00e0y<\/a><\/strong>, s\u1eed d\u1ee5ng micr\u00f4met (k\u1ef9 thu\u1eadt s\u1ed1 ho\u1eb7c quay s\u1ed1) \u0111\u1ec3 c\u00f3 k\u1ebft qu\u1ea3 ch\u00ednh x\u00e1c.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">6. <strong>T\u00ednh minh b\u1ea1ch<\/strong>: Kh\u1ea3 n\u0103ng hi\u1ec3n th\u1ecb \u0111\u1ec3 d\u1ec5 d\u00e0ng nh\u1eadn d\u1ea1ng<\/h2>\n\n\n\n<p><strong>T\u00ednh minh b\u1ea1ch<\/strong> \u0111\u1ec1 c\u1eadp \u0111\u1ebfn m\u1ee9c \u0111\u1ed9 d\u1ec5 d\u00e0ng m\u00e0 m\u00e0ng c\u0103ng cho ph\u00e9p \u00e1nh s\u00e1ng \u0111i qua. \u0110\u1ed9 trong su\u1ed1t cao \u0111\u1eb7c bi\u1ec7t quan tr\u1ecdng trong ho\u1ea1t \u0111\u1ed9ng b\u00e1n l\u1ebb v\u00e0 kho b\u00e3i, n\u01a1i m\u00e0 vi\u1ec7c nh\u1eadn d\u1ea1ng s\u1ea3n ph\u1ea9m m\u00e0 kh\u00f4ng c\u1ea7n m\u1edf bao b\u00ec l\u00e0 \u0111i\u1ec1u c\u1ea7n thi\u1ebft. <strong>Ti\u00eau chu\u1ea9n ASTMD1003<\/strong> B\u00e0i ki\u1ec3m tra n\u00e0y \u0111o l\u01b0\u1ee3ng \u00e1nh s\u00e1ng \u0111i qua m\u00e0ng phim v\u00e0 \u0111\u1ed9 trong su\u1ed1t cao h\u01a1n th\u01b0\u1eddng \u0111\u01b0\u1ee3c \u01b0a chu\u1ed9ng \u0111\u1ec3 d\u1ec5 d\u00e0ng nh\u1eadn d\u1ea1ng s\u1ea3n ph\u1ea9m.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p>B\u1eb1ng c\u00e1ch hi\u1ec3u c\u00e1c y\u1ebfu t\u1ed1 ch\u00ednh nh\u01b0 <strong>s\u1ee9c b\u1ec1n k\u00e9o<\/strong>, <strong>kh\u1ea3 n\u0103ng ch\u1ed1ng \u0111\u00e2m th\u1ee7ng<\/strong>, <strong>gi\u1eef t\u1ea3i<\/strong>, <strong>b\u00e1m ch\u1eb7t<\/strong>, <strong>\u0111\u1ed9 d\u00e0y m\u00e0ng<\/strong>, V\u00e0 <strong>s\u1ef1 minh b\u1ea1ch<\/strong>, nh\u00e0 s\u1ea3n xu\u1ea5t v\u00e0 ng\u01b0\u1eddi d\u00f9ng c\u00f3 th\u1ec3 \u0111\u1ea3m b\u1ea3o h\u1ecd \u0111ang s\u1eed d\u1ee5ng m\u00e0ng co gi\u00e3n ch\u1ea5t l\u01b0\u1ee3ng cao \u0111\u00e1p \u1ee9ng c\u00e1c y\u00eau c\u1ea7u \u0111\u00f3ng g\u00f3i c\u1ee5 th\u1ec3 c\u1ee7a h\u1ecd. M\u1ed7i \u0111\u1eb7c t\u00ednh n\u00e0y \u0111\u1ec1u g\u00f3p ph\u1ea7n v\u00e0o hi\u1ec7u su\u1ea5t chung c\u1ee7a m\u00e0ng, gi\u00fap b\u1ea3o v\u1ec7 h\u00e0ng h\u00f3a trong qu\u00e1 tr\u00ecnh v\u1eadn chuy\u1ec3n v\u00e0 l\u01b0u tr\u1eef \u0111\u1ed3ng th\u1eddi gi\u1ea3m thi\u1ec3u r\u1ee7i ro h\u01b0 h\u1ecfng.<\/p>","protected":false},"excerpt":{"rendered":"<p>\u201cM\u00e0ng c\u0103ng (ho\u1eb7c m\u00e0ng qu\u1ea5n c\u0103ng) l\u00e0 m\u1ed9t trong nh\u1eefng v\u1eadt li\u1ec7u \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i nh\u1ea5t trong ng\u00e0nh \u0111\u00f3ng g\u00f3i, \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c b\u1ea3o v\u1ec7 h\u00e0ng h\u00f3a trong qu\u00e1 tr\u00ecnh l\u01b0u tr\u1eef v\u00e0 v\u1eadn chuy\u1ec3n. \u0110\u1ec3 \u0111\u1ea3m b\u1ea3o m\u00e0ng c\u0103ng c\u00f3 kh\u1ea3 n\u0103ng b\u1ea3o v\u1ec7 \u0111\u00e1ng tin c\u1eady, vi\u1ec7c \u0111o l\u01b0\u1eddng ch\u1ea5t l\u01b0\u1ee3ng c\u1ee7a m\u00e0ng c\u0103ng l\u00e0 \u0111i\u1ec1u c\u1ea7n thi\u1ebft.\u201d 1. \u0110\u1ed9 b\u1ec1n k\u00e9o: \u0110o \u0111\u1ed9 b\u1ec1n c\u1ee7a m\u00e0ng c\u0103ng \u0110\u1ed9 b\u1ec1n k\u00e9o l\u00e0 m\u1ed9t trong nh\u1eefng y\u1ebfu t\u1ed1 ch\u00ednh khi \u0111\u00e1nh gi\u00e1 [\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-1122","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 - 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