{"id":1160,"date":"2025-04-16T02:47:38","date_gmt":"2025-04-16T02:47:38","guid":{"rendered":"https:\/\/www.wrapfilmtest.com\/?p=1160"},"modified":"2026-01-15T06:03:54","modified_gmt":"2026-01-15T06:03:54","slug":"blown-stretch-film-mechanical-properties-test","status":"publish","type":"post","link":"https:\/\/www.wrapfilmtest.com\/vi\/blown-stretch-film-mechanical-properties-test","title":{"rendered":"Th\u1eed nghi\u1ec7m t\u00ednh ch\u1ea5t c\u01a1 h\u1ecdc c\u1ee7a m\u00e0ng co gi\u00e3n th\u1ed5i"},"content":{"rendered":"

M\u00e0ng c\u0103ng th\u1ed5i \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong l\u0129nh v\u1ef1c \u0111\u00f3ng g\u00f3i, \u0111\u1ea3m b\u1ea3o s\u1ef1 \u1ed5n \u0111\u1ecbnh v\u00e0 b\u1ea3o v\u1ec7 s\u1ea3n ph\u1ea9m trong qu\u00e1 tr\u00ecnh v\u1eadn chuy\u1ec3n v\u00e0 l\u01b0u kho. \u0110\u1ec3 duy tr\u00ec ch\u1ea5t l\u01b0\u1ee3ng \u1ed5n \u0111\u1ecbnh, Th\u1eed nghi\u1ec7m c\u00e1c t\u00ednh ch\u1ea5t c\u01a1 h\u1ecdc c\u1ee7a m\u00e0ng co th\u1ed5i<\/strong> l\u00e0 \u0111i\u1ec1u kh\u00f4ng th\u1ec3 thi\u1ebfu. B\u00e0i vi\u1ebft n\u00e0y tr\u00ecnh b\u00e0y c\u00e1c m\u1ee5c \u0111\u00edch ch\u00ednh, quy tr\u00ecnh v\u00e0 v\u1eadt li\u1ec7u th\u1eed nghi\u1ec7m li\u00ean quan \u0111\u1ebfn vi\u1ec7c ki\u1ec3m tra t\u00ednh ch\u1ea5t c\u01a1 h\u1ecdc c\u1ee7a m\u00e0ng b\u1ecdc co gi\u00e3n, nh\u1eb1m h\u1ed7 tr\u1ee3 \u0111\u1ea1t \u0111\u01b0\u1ee3c hi\u1ec7u su\u1ea5t t\u1ed1i \u01b0u trong c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p kh\u00e1c nhau.<\/p>\n\n\n\n

Th\u1eed nghi\u1ec7m t\u00ednh ch\u1ea5t c\u01a1 h\u1ecdc c\u1ee7a m\u00e0ng c\u0103ng th\u1ed5i \u2013 Th\u1eed nghi\u1ec7m \u0111\u1ed9 b\u1ec1n \u0111\u00e2m th\u1ee7ng<\/h2>\n\n\n\n

C\u00e1c th\u1eed nghi\u1ec7m \u0111\u00e2m th\u1ee7ng<\/em> \u0111\u00e1nh gi\u00e1 kh\u1ea3 n\u0103ng ch\u1ed1ng xuy\u00ean th\u1ee7ng c\u1ee7a m\u00e0ng c\u0103ng th\u1ed5i tr\u01b0\u1edbc c\u00e1c v\u1eadt s\u1eafc nh\u1ecdn. \u0110i\u1ec1u n\u00e0y r\u1ea5t quan tr\u1ecdng trong vi\u1ec7c \u0111\u00e1nh gi\u00e1 m\u1ee9c \u0111\u1ed9 b\u1ea3o v\u1ec7 c\u1ee7a m\u00e0ng \u0111\u1ed1i v\u1edbi h\u00e0ng h\u00f3a \u0111\u00f3ng g\u00f3i khi ch\u1ecbu \u00e1p l\u1ef1c ho\u1eb7c trong qu\u00e1 tr\u00ecnh v\u1eadn chuy\u1ec3n. Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y bao g\u1ed3m vi\u1ec7c s\u1eed d\u1ee5ng m\u1ed9t \u0111\u1ea7u d\u00f2 ti\u00eau chu\u1ea9n \u0111\u1ec3 t\u00e1c d\u1ee5ng l\u1ef1c cho \u0111\u1ebfn khi m\u00e0ng b\u1ecb th\u1ee7ng, \u0111\u1ed3ng th\u1eddi ghi l\u1ea1i l\u1ef1c t\u1ea1i \u0111i\u1ec3m \u0111\u1ee9t v\u00e0 n\u0103ng l\u01b0\u1ee3ng \u0111\u01b0\u1ee3c h\u1ea5p th\u1ee5.<\/p>\n\n\n\n

TST-01 c\u1ee7a Cell Instruments M\u00e1y ki\u1ec3m tra \u0111\u1ed9 b\u1ec1n ch\u1ed1ng th\u1ee7ng m\u00e0ng<\/a><\/strong> cung c\u1ea5p kh\u1ea3 n\u0103ng ki\u1ec3m so\u00e1t ch\u00ednh x\u00e1c v\u00e0 d\u1eef li\u1ec7u \u0111\u1ea7u ra \u0111\u1ec3 \u0111\u00e1nh gi\u00e1 hi\u1ec7u su\u1ea5t \u0111\u00e2m th\u1ee7ng theo ti\u00eau chu\u1ea9n Ti\u00eau chu\u1ea9n ASTMD5748<\/a>.<\/p>\n\n\n\n

Th\u1eed nghi\u1ec7m t\u00ednh ch\u1ea5t c\u01a1 h\u1ecdc c\u1ee7a m\u00e0ng c\u0103ng th\u1ed5i \u2013 Th\u1eed nghi\u1ec7m \u0111\u1ed9 b\u00e1m d\u00ednh khi b\u00f3c t\u00e1ch<\/h2>\n\n\n\n

C\u00e1c Th\u1eed nghi\u1ec7m b\u00f3c d\u00ednh<\/em> \u0111o \u0111\u1ed9 b\u00e1m d\u00ednh gi\u1eefa c\u00e1c l\u1edbp m\u00e0ng khi qu\u1ea5n. \u0110\u1ed9 b\u00e1m d\u00ednh cao gi\u00fap duy tr\u00ec \u0111\u1ed9 c\u0103ng c\u1ee7a m\u00e0ng v\u00e0 \u0111\u1ea3m b\u1ea3o t\u00ednh to\u00e0n v\u1eb9n c\u1ee7a l\u1edbp qu\u1ea5n, \u0111\u1eb7c bi\u1ec7t l\u00e0 trong qu\u00e1 tr\u00ecnh v\u1eadn chuy\u1ec3n. Th\u1eed nghi\u1ec7m n\u00e0y bao g\u1ed3m vi\u1ec7c t\u00e1ch hai l\u1edbp m\u00e0ng ra kh\u1ecfi nhau theo m\u1ed9t g\u00f3c v\u00e0 t\u1ed1c \u0111\u1ed9 c\u1ee5 th\u1ec3, \u0111\u1ed3ng th\u1eddi \u0111o l\u01b0\u1eddng l\u1ef1c c\u1ea7n thi\u1ebft \u0111\u1ec3 th\u1ef1c hi\u1ec7n vi\u1ec7c n\u00e0y.<\/p>\n\n\n\n

M\u00e0ng b\u1ecdc th\u1ef1c ph\u1ea9m<\/em> C\u00e1c \u0111\u1eb7c t\u00ednh n\u00e0y r\u1ea5t quan tr\u1ecdng \u0111\u1ed1i v\u1edbi \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh c\u1ee7a m\u00e0ng, v\u00e0 Cell Instruments cung c\u1ea5p m\u1ed9t h\u1ec7 th\u1ed1ng t\u1ef1 \u0111\u1ed9ng M\u00e1y ki\u1ec3m tra \u0111\u1ed9 b\u00e1m d\u00ednh SPC-01<\/a><\/strong> \u0111\u1ea3m b\u1ea3o ki\u1ec3m so\u00e1t l\u1ef1c ch\u00ednh x\u00e1c v\u00e0 ph\u00e2n t\u00edch theo th\u1eddi gian th\u1ef1c, tu\u00e2n th\u1ee7 Ti\u00eau chu\u1ea9n ASTMD5458<\/a>.<\/p>\n\n\n\n

Th\u1eed nghi\u1ec7m t\u00ednh ch\u1ea5t c\u01a1 h\u1ecdc c\u1ee7a m\u00e0ng c\u0103ng th\u1ed5i \u2013 Th\u1eed nghi\u1ec7m \u0111\u1ed9 b\u1ec1n k\u00e9o<\/h2>\n\n\n\n

C\u00e1c Th\u1eed nghi\u1ec7m \u0111\u1ed9 b\u1ec1n k\u00e9o<\/em> l\u00e0 m\u1ed9t trong nh\u1eefng \u0111\u00e1nh gi\u00e1 c\u01a1 b\u1ea3n nh\u1ea5t trong Th\u1eed nghi\u1ec7m c\u00e1c t\u00ednh ch\u1ea5t c\u01a1 h\u1ecdc c\u1ee7a m\u00e0ng co th\u1ed5i<\/strong>. Ch\u1ec9 s\u1ed1 n\u00e0y x\u00e1c \u0111\u1ecbnh m\u1ee9c \u1ee9ng su\u1ea5t t\u1ed1i \u0111a m\u00e0 m\u00e0ng c\u00f3 th\u1ec3 ch\u1ecbu \u0111\u01b0\u1ee3c khi b\u1ecb k\u00e9o c\u0103ng. \u0110\u1ed9 b\u1ec1n k\u00e9o cao cho th\u1ea5y kh\u1ea3 n\u0103ng ch\u1ecbu t\u1ea3i t\u1ed1t h\u01a1n v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng \u0111\u1ee9t g\u00e3y khi ch\u1ecbu l\u1ef1c k\u00e9o.<\/p>\n\n\n\n

Th\u1eed nghi\u1ec7m n\u00e0y \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n b\u1eb1ng m\u00e1y th\u1eed \u0111\u1ed9 b\u1ec1n k\u00e9o \u0111a n\u0103ng, ch\u1eb3ng h\u1ea1n nh\u01b0 TST-01 c\u1ee7a Cell Instruments M\u00e1y th\u1eed \u0111\u1ed9 b\u1ec1n k\u00e9o<\/a><\/strong>, l\u00fd t\u01b0\u1edfng cho m\u00e0ng c\u0103ng th\u1ed5i ph\u00f9 h\u1ee3p v\u1edbi ti\u00eau chu\u1ea9n ASTM D882.<\/p>\n\n\n\n

Th\u1eed nghi\u1ec7m t\u00ednh ch\u1ea5t c\u01a1 h\u1ecdc c\u1ee7a m\u00e0ng c\u0103ng th\u1ed5i \u2013 Th\u1eed nghi\u1ec7m \u0111\u1ed9 gi\u00e3n d\u00e0i<\/h2>\n\n\n\n

Th\u01b0\u1eddng \u0111\u01b0\u1ee3c k\u1ebft h\u1ee3p v\u1edbi th\u1eed nghi\u1ec7m \u0111\u1ed9 b\u1ec1n k\u00e9o, Th\u1eed nghi\u1ec7m k\u00e9o d\u00e0i<\/em> \u0111o l\u01b0\u1eddng m\u1ee9c \u0111\u1ed9 co gi\u00e3n c\u1ee7a m\u00e0ng tr\u01b0\u1edbc khi b\u1ecb \u0111\u1ee9t. T\u00ednh ch\u1ea5t n\u00e0y \u0111\u1ea3m b\u1ea3o m\u00e0ng c\u00f3 th\u1ec3 qu\u1ea5n ch\u1eb7t quanh c\u00e1c ki\u1ec7n h\u00e0ng c\u00f3 h\u00ecnh d\u1ea1ng kh\u00f4ng \u0111\u1ec1u m\u00e0 kh\u00f4ng b\u1ecb r\u00e1ch. D\u1eef li\u1ec7u v\u1ec1 \u0111\u1ed9 gi\u00e3n d\u00e0i gi\u00fap t\u1ed1i \u01b0u h\u00f3a c\u00f4ng th\u1ee9c m\u00e0ng cho c\u00e1c lo\u1ea1i ki\u1ec7n h\u00e0ng c\u1ee5 th\u1ec3.<\/p>\n\n\n\n

Th\u1eed nghi\u1ec7m t\u00ednh ch\u1ea5t c\u01a1 h\u1ecdc c\u1ee7a m\u00e0ng c\u0103ng th\u1ed5i \u2013 Th\u1eed nghi\u1ec7m \u0111\u1ed9 r\u00e1ch Elmendorf<\/h2>\n\n\n\n

C\u00e1c Th\u1eed nghi\u1ec7m Elmendorf<\/em> \u0111\u00e1nh gi\u00e1 m\u1ee9c \u0111\u1ed9 ch\u1ed1ng r\u00e1ch c\u1ee7a m\u00e0ng sau khi xu\u1ea5t hi\u1ec7n v\u1ebft x\u01b0\u1edbc ho\u1eb7c v\u1ebft c\u1eaft nh\u1ecf. \u0110i\u1ec1u n\u00e0y \u0111\u1eb7c bi\u1ec7t quan tr\u1ecdng \u0111\u1ed1i v\u1edbi c\u00e1c v\u1eadt li\u1ec7u \u0111\u00f3ng g\u00f3i th\u01b0\u1eddng xuy\u00ean b\u1ecb x\u1eed l\u00fd ho\u1eb7c ti\u1ebfp x\u00fac v\u1edbi c\u00e1c c\u1ea1nh s\u1eafc nh\u1ecdn.<\/p>\n\n\n\n

C\u00e1c thi\u1ebft b\u1ecb c\u1ee7a Cell Instruments\u2019 M\u00e1y ki\u1ec3m tra n\u01b0\u1edbc m\u1eaft Elmendorf<\/a><\/strong> tu\u00e2n th\u1ee7 ti\u00eau chu\u1ea9n ASTM D1922, \u0111\u1ea3m b\u1ea3o vi\u1ec7c \u0111\u00e1nh gi\u00e1 \u0111\u1ed9 b\u1ec1n x\u00e9 c\u1ee7a m\u00e0ng bao b\u00ec \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n theo ti\u00eau chu\u1ea9n.<\/p>\n\n\n\n

Th\u1eed nghi\u1ec7m t\u00ednh ch\u1ea5t c\u01a1 h\u1ecdc c\u1ee7a m\u00e0ng c\u0103ng th\u1ed5i \u2013 Th\u1eed nghi\u1ec7m kh\u1ea3 n\u0103ng ch\u1ed1ng va \u0111\u1eadp<\/h2>\n\n\n\n

C\u00e1c Th\u1eed nghi\u1ec7m kh\u1ea3 n\u0103ng ch\u1ecbu va \u0111\u1eadp<\/em> m\u00f4 ph\u1ecfng c\u00e1c t\u00e1c \u0111\u1ed9ng \u0111\u1ed9t ng\u1ed9t m\u00e0 m\u00e0ng c\u00f3 th\u1ec3 g\u1eb7p ph\u1ea3i trong qu\u00e1 tr\u00ecnh x\u1eed l\u00fd ho\u1eb7c v\u1eadn chuy\u1ec3n. B\u1eb1ng c\u00e1ch th\u1ea3 m\u1ed9t v\u1eadt n\u1eb7ng t\u1eeb \u0111\u1ed9 cao quy \u0111\u1ecbnh, th\u1eed nghi\u1ec7m n\u00e0y \u0111o l\u01b0\u1eddng n\u0103ng l\u01b0\u1ee3ng c\u1ea7n thi\u1ebft \u0111\u1ec3 l\u00e0m r\u00e1ch m\u00e0ng, t\u1eeb \u0111\u00f3 ph\u1ea3n \u00e1nh \u0111\u1ed9 b\u1ec1n c\u1ee7a m\u00e0ng d\u01b0\u1edbi t\u00e1c \u0111\u1ed9ng c\u1ee7a t\u1ea3i tr\u1ecdng \u0111\u1ed9ng.<\/p>\n\n\n\n

Th\u1eed nghi\u1ec7m kh\u00e1c \u2013 Th\u1eed nghi\u1ec7m \u0111\u1ed9 d\u00e0y<\/h2>\n\n\n\n

C\u00e1c Ki\u1ec3m tra \u0111\u1ed9 d\u00e0y<\/em> \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 \u0111\u1ed3ng \u0111\u1ec1u tr\u00ean to\u00e0n b\u1ed9 b\u1ec1 m\u1eb7t m\u00e0ng. S\u1ef1 ch\u00eanh l\u1ec7ch v\u1ec1 \u0111\u1ed9 d\u00e0y c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn c\u00e1c \u0111i\u1ec3m y\u1ebfu, \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn hi\u1ec7u su\u1ea5t c\u01a1 h\u1ecdc v\u00e0 kh\u1ea3 n\u0103ng b\u1ea3o v\u1ec7. C\u00e1c thi\u1ebft b\u1ecb \u0111o \u0111\u1ed9 d\u00e0y ch\u00ednh x\u00e1c t\u1eeb D\u1ee5ng c\u1ee5 t\u1ebf b\u00e0o<\/strong> \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 ch\u00ednh x\u00e1c \u1edf m\u1ee9c micromet, gi\u00fap duy tr\u00ec ch\u1ea5t l\u01b0\u1ee3ng s\u1ea3n xu\u1ea5t \u1ed5n \u0111\u1ecbnh.<\/p>\n\n\n\n

H\u1ed3 s\u01a1 \u1ee9ng tuy\u1ec3n v\u00e0 t\u00ednh ph\u00f9 h\u1ee3p v\u1edbi ng\u00e0nh<\/h2>\n\n\n\n

Th\u1eed nghi\u1ec7m n\u00e0y \u00e1p d\u1ee5ng cho nhi\u1ec1u lo\u1ea1i v\u1eadt li\u1ec7u kh\u00e1c nhau, bao g\u1ed3m LLDPE, LDPE v\u00e0 m\u00e0ng co nhi\u1ec1u l\u1edbp. C\u00e1c lo\u1ea1i m\u00e0ng n\u00e0y \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong bao b\u00ec, h\u1eadu c\u1ea7n, th\u1ef1c ph\u1ea9m, d\u01b0\u1ee3c ph\u1ea9m, \u0111i\u1ec7n t\u1eed v\u00e0 \u0111\u1ed3 u\u1ed1ng<\/strong> c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p. C\u00e1c chuy\u00ean gia ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 nh\u00e0 ph\u00e1t tri\u1ec3n s\u1ea3n ph\u1ea9m d\u1ef1a v\u00e0o d\u1eef li\u1ec7u v\u1ec1 t\u00ednh ch\u1ea5t c\u01a1 h\u1ecdc \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o hi\u1ec7u su\u1ea5t \u1ed5n \u0111\u1ecbnh c\u1ee7a m\u00e0ng trong c\u00e1c \u1ee9ng d\u1ee5ng \u0111\u00f2i h\u1ecfi kh\u1eaft khe.<\/p>\n\n\n\n

\"M\u00e1y<\/figure>\n\n\n\n
\n\n\n\n

C\u00f4ng ty TNHH Thi\u1ebft b\u1ecb T\u1ebf b\u00e0o<\/a><\/strong> chuy\u00ean cung c\u1ea5p c\u00e1c thi\u1ebft b\u1ecb ki\u1ec3m tra ti\u00ean ti\u1ebfn \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf ri\u00eang cho c\u00e1c v\u1eadt li\u1ec7u \u0111\u00f3ng g\u00f3i nh\u01b0 m\u00e0ng co th\u1ed5i. T\u1eeb kh\u1ea3 n\u0103ng ch\u1ed1ng \u0111\u00e2m th\u1ee7ng<\/em> \u0110\u1ebeN \u0111\u1ed9 b\u00e1m d\u00ednh v\u00e0 \u0111\u1ed9 b\u1ec1n k\u00e9o<\/em>, C\u00e1c gi\u1ea3i ph\u00e1p c\u1ee7a ch\u00fang t\u00f4i \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf nh\u1eb1m \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 ch\u00ednh x\u00e1c, hi\u1ec7u qu\u1ea3 v\u00e0 tu\u00e2n th\u1ee7 c\u00e1c ti\u00eau chu\u1ea9n qu\u1ed1c t\u1ebf. H\u00e3y tin t\u01b0\u1edfng v\u00e0o chuy\u00ean m\u00f4n c\u1ee7a ch\u00fang t\u00f4i \u0111\u1ec3 \u0111\u00e1p \u1ee9ng c\u00e1c nhu c\u1ea7u v\u1ec1 \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng c\u1ee7a qu\u00fd v\u1ecb.<\/p>\n\n\n\n

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M\u00e0ng co th\u1ed5i \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong \u0111\u00f3ng g\u00f3i, \u0111\u1ea3m b\u1ea3o s\u1ef1 \u1ed5n \u0111\u1ecbnh v\u00e0 b\u1ea3o v\u1ec7 s\u1ea3n ph\u1ea9m trong qu\u00e1 tr\u00ecnh v\u1eadn chuy\u1ec3n v\u00e0 l\u01b0u tr\u1eef. \u0110\u1ec3 duy tr\u00ec ch\u1ea5t l\u01b0\u1ee3ng \u1ed5n \u0111\u1ecbnh, vi\u1ec7c ki\u1ec3m tra t\u00ednh ch\u1ea5t c\u01a1 h\u1ecdc c\u1ee7a m\u00e0ng co th\u1ed5i l\u00e0 \u0111i\u1ec1u c\u1ea7n thi\u1ebft. 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