{"id":1277,"date":"2026-01-26T07:23:10","date_gmt":"2026-01-26T07:23:10","guid":{"rendered":"https:\/\/www.wrapfilmtest.com\/?p=1277"},"modified":"2026-01-26T07:57:54","modified_gmt":"2026-01-26T07:57:54","slug":"tear-strength-of-film","status":"publish","type":"post","link":"https:\/\/www.wrapfilmtest.com\/vi\/tear-strength-of-film","title":{"rendered":"Kh\u00e1m ph\u00e1 \u0111\u1ed9 b\u1ec1n r\u00e1ch c\u1ee7a m\u00e0ng: Hi\u1ec3u v\u1ec1 ti\u00eau chu\u1ea9n ASTM D1922 v\u00e0 ph\u01b0\u01a1ng ph\u00e1p th\u1eed nghi\u1ec7m Elmendorf"},"content":{"rendered":"

\u0110\u1ed9 b\u1ec1n k\u00e9o c\u1ee7a m\u00e0ng: Hi\u1ec3u v\u1ec1 ph\u01b0\u01a1ng ph\u00e1p th\u1eed nghi\u1ec7m ASTM D1922<\/h2>\n\n\n\n

\u0110\u1ed9 b\u1ec1n k\u00e9o c\u1ee7a m\u00e0ng<\/strong> l\u00e0 m\u1ed9t \u0111\u1eb7c t\u00ednh quan tr\u1ecdng trong vi\u1ec7c \u0111\u00e1nh gi\u00e1 \u0111\u1ed9 b\u1ec1n c\u1ee7a c\u00e1c v\u1eadt li\u1ec7u \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong \u0111\u00f3ng g\u00f3i, c\u00e1c \u1ee9ng d\u1ee5ng y t\u1ebf v\u00e0 nhi\u1ec1u l\u0129nh v\u1ef1c kh\u00e1c. Ti\u00eau chu\u1ea9n ASTMD1922<\/a> l\u00e0 ti\u00eau chu\u1ea9n v\u00e0ng \u0111\u1ec3 \u0111o l\u01b0\u1eddng \u0111\u1ed9 b\u1ec1n n\u00e0y, gi\u00fap c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t \u0111\u00e1nh gi\u00e1 kh\u1ea3 n\u0103ng ch\u1ed1ng r\u00e1ch c\u1ee7a m\u00e0ng nh\u1ef1a v\u00e0 t\u1ea5m nh\u1ef1a m\u1ecfng trong c\u00e1c \u0111i\u1ec1u ki\u1ec7n c\u1ee5 th\u1ec3. Ph\u01b0\u01a1ng ph\u00e1p ti\u00eau chu\u1ea9n n\u00e0y s\u1eed d\u1ee5ng m\u1ed9t Th\u1eed nghi\u1ec7m \u0111\u1ed9 r\u00e1ch Elmendorf d\u1ef1a tr\u00ean con l\u1eafc<\/strong>, m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p \u0111\u00e1ng tin c\u1eady \u0111\u1ec3 \u0111o l\u1ef1c c\u1ea7n thi\u1ebft \u0111\u1ec3 v\u1ebft r\u00e1ch lan r\u1ed9ng tr\u00ean m\u00e0ng sau khi \u0111\u00e3 h\u00ecnh th\u00e0nh.<\/p>\n\n\n\n

Trong c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p nh\u01b0 \u0111\u00f3ng g\u00f3i, y t\u1ebf v\u00e0 th\u1ef1c ph\u1ea9m, m\u00e0ng b\u1ecdc c\u1ea7n ph\u1ea3i ch\u1ecbu \u0111\u01b0\u1ee3c c\u00e1c t\u00e1c \u0111\u1ed9ng trong qu\u00e1 tr\u00ecnh x\u1eed l\u00fd, v\u1eadn chuy\u1ec3n v\u00e0 b\u1ea3o qu\u1ea3n. s\u1ee9c m\u1ea1nh x\u00e9 r\u00e1ch<\/strong> c\u1ee7a c\u00e1c v\u1eadt li\u1ec7u n\u00e0y c\u00f3 \u1ea3nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn hi\u1ec7u su\u1ea5t c\u1ee7a ch\u00fang, \u0111\u1ea3m b\u1ea3o b\u1ea3o v\u1ec7 c\u00e1c v\u1eadt ph\u1ea9m \u0111\u01b0\u1ee3c ch\u1ee9a b\u00ean trong.<\/p>\n\n\n\n

\"Hi\u1ec3u<\/figure>\n\n\n\n

Th\u1eed nghi\u1ec7m \u0111\u1ed9 b\u1ec1n r\u00e1ch Elmendorf: M\u1ed9t ph\u01b0\u01a1ng ph\u00e1p \u0111\u00e1ng tin c\u1eady \u0111\u1ec3 \u0111o \u0111\u1ed9 b\u1ec1n r\u00e1ch<\/strong><\/h2>\n\n\n\n

C\u00e1c Th\u1eed nghi\u1ec7m Elmendorf<\/strong> \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong ti\u00eau chu\u1ea9n ASTM D1922, cung c\u1ea5p m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p hi\u1ec7u qu\u1ea3 \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh l\u1ef1c c\u1ea7n thi\u1ebft \u0111\u1ec3 t\u1ea1o v\u1ebft r\u00e1ch lan r\u1ed9ng tr\u00ean m\u1eabu th\u1eed. Th\u1eed nghi\u1ec7m n\u00e0y s\u1eed d\u1ee5ng m\u1ed9t con l\u1eafc \u0111\u01b0\u1ee3c hi\u1ec7u chu\u1ea9n ch\u00ednh x\u00e1c, dao \u0111\u1ed9ng theo m\u1ed9t qu\u1ef9 \u0111\u1ea1o h\u00ecnh cung \u0111\u1ec3 t\u1ea1o v\u1ebft r\u00e1ch tr\u00ean v\u1eadt li\u1ec7u, trong khi m\u1ee9c \u0111\u1ed9 ti\u00eau hao n\u0103ng l\u01b0\u1ee3ng \u0111\u01b0\u1ee3c hi\u1ec3n th\u1ecb tr\u00ean thang \u0111o. L\u1ef1c c\u1ea7n thi\u1ebft \u0111\u1ec3 duy tr\u00ec qu\u00e1 tr\u00ecnh t\u1ea1o v\u1ebft r\u00e1ch c\u00f3 m\u1ed1i quan h\u1ec7 tr\u1ef1c ti\u1ebfp v\u1edbi s\u1ee9c m\u1ea1nh x\u00e9 r\u00e1ch<\/strong>.<\/p>\n\n\n\n

Ph\u01b0\u01a1ng ph\u00e1p th\u1eed nghi\u1ec7m n\u00e0y r\u1ea5t ph\u00f9 h\u1ee3p cho c\u00e1c lo\u1ea1i m\u00e0ng, bao g\u1ed3m phim b\u1ecdc<\/strong>, th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c \u1ee9ng d\u1ee5ng \u0111\u00f3ng g\u00f3i. M\u00e1y \u0111o \u0111\u1ed9 b\u1ec1n r\u00e1ch Elmendorf<\/strong> cung c\u1ea5p m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p r\u00f5 r\u00e0ng v\u00e0 c\u00f3 th\u1ec3 l\u1eb7p l\u1ea1i \u0111\u1ec3 ki\u1ec3m tra kh\u1ea3 n\u0103ng ch\u1ed1ng r\u00e1ch c\u1ee7a v\u1eadt li\u1ec7u, \u0111\u1ea3m b\u1ea3o r\u1eb1ng c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t \u0111\u00e1p \u1ee9ng c\u00e1c ti\u00eau chu\u1ea9n b\u1eaft bu\u1ed9c v\u1ec1 \u0111\u1ed9 b\u1ec1n v\u00e0 hi\u1ec7u su\u1ea5t.<\/p>\n\n\n\n

T\u1ea7m quan tr\u1ecdng c\u1ee7a ti\u00eau chu\u1ea9n ASTM D1922 trong vi\u1ec7c \u0111\u00e1nh gi\u00e1 \u0111\u1ed9 b\u1ec1n c\u1ee7a m\u00e0ng<\/h2>\n\n\n\n

Ti\u00eau chu\u1ea9n ASTMD1922<\/strong> l\u00e0 y\u1ebfu t\u1ed1 thi\u1ebft y\u1ebfu \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh \u0111\u1ed9 b\u1ec1n k\u00e9o c\u1ee7a m\u00e0ng<\/strong>, \u0111\u1eb7c bi\u1ec7t l\u00e0 khi \u0111\u00e1nh gi\u00e1 c\u00e1c v\u1eadt li\u1ec7u d\u00f9ng trong \u0111\u00f3ng g\u00f3i. Ph\u01b0\u01a1ng ph\u00e1p th\u1eed nghi\u1ec7m n\u00e0y gi\u00fap x\u1ebfp h\u1ea1ng kh\u1ea3 n\u0103ng ch\u1ed1ng r\u00e1ch c\u1ee7a c\u00e1c lo\u1ea1i m\u00e0ng nh\u1ef1a v\u00e0 t\u1ea5m m\u1ecfng kh\u00e1c nhau. \u0110\u1ed1i v\u1edbi c\u00e1c v\u1eadt li\u1ec7u nh\u01b0 phim b\u1ecdc<\/strong>, kh\u1ea3 n\u0103ng ch\u1ed1ng r\u00e1ch l\u00e0 y\u1ebfu t\u1ed1 quan tr\u1ecdng \u0111\u1ec3 duy tr\u00ec t\u00ednh to\u00e0n v\u1eb9n c\u1ee7a s\u1ea3n ph\u1ea9m trong su\u1ed1t chu\u1ed7i cung \u1ee9ng.<\/p>\n\n\n\n

K\u1ebft qu\u1ea3 ki\u1ec3m tra gi\u00fap c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t v\u00e0 nh\u00e2n vi\u00ean ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng hi\u1ec3u r\u00f5 \u0111\u1ed9 b\u1ec1n m\u00e0ng<\/strong> trong \u0111i\u1ec1u ki\u1ec7n th\u00f4ng th\u01b0\u1eddng. Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i \u0111\u1ec3 ki\u1ec3m tra s\u1ef1 ph\u00f9 h\u1ee3p v\u1edbi ti\u00eau chu\u1ea9n k\u1ef9 thu\u1eadt v\u00e0 \u0111\u00e1nh gi\u00e1 t\u00ednh ph\u00f9 h\u1ee3p c\u1ee7a v\u1eadt li\u1ec7u \u0111\u1ed1i v\u1edbi c\u00e1c \u1ee9ng d\u1ee5ng c\u1ee5 th\u1ec3.<\/p>\n\n\n\n

C\u00e1c y\u1ebfu t\u1ed1 ch\u00ednh \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn \u0111\u1ed9 b\u1ec1n r\u00e1ch c\u1ee7a m\u00e0ng<\/h2>\n\n\n\n

C\u00e1c s\u1ee9c m\u1ea1nh x\u00e9 r\u00e1ch<\/strong> S\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a \u0111i\u1ec7n \u1ea3nh b\u1ecb \u1ea3nh h\u01b0\u1edfng b\u1edfi nhi\u1ec1u y\u1ebfu t\u1ed1:<\/p>\n\n\n\n

    \n
  1. Th\u00e0nh ph\u1ea7n v\u1eadt li\u1ec7u:<\/strong> C\u00e1c lo\u1ea1i polymer kh\u00e1c nhau nh\u01b0 polyethylene (PE), polypropylene (PP) v\u00e0 polyester (PET) c\u00f3 m\u1ee9c \u0111\u1ed9 s\u1ee9c m\u1ea1nh x\u00e9 r\u00e1ch<\/strong> do c\u1ea5u tr\u00fac ph\u00e2n t\u1eed v\u00e0 ph\u01b0\u01a1ng ph\u00e1p ch\u1ebf bi\u1ebfn c\u1ee7a ch\u00fang.<\/li>\n\n\n\n
  2. \u0110\u1ed9 d\u00e0y:<\/strong> C\u00e1c l\u1edbp m\u00e0ng d\u00e0y h\u01a1n th\u01b0\u1eddng c\u00f3 \u0111\u1ed9 b\u1ec1n x\u00e9 cao h\u01a1n. Tuy nhi\u00ean, kh\u00f4ng ph\u1ea3i l\u00fac n\u00e0o c\u0169ng c\u00f3 m\u1ed1i quan h\u1ec7 tuy\u1ebfn t\u00ednh tr\u1ef1c ti\u1ebfp gi\u1eefa \u0111\u1ed9 d\u00e0y m\u00e0ng<\/strong> V\u00e0 s\u1ee9c m\u1ea1nh x\u00e9 r\u00e1ch<\/strong>. K\u1ebft qu\u1ea3 theo ti\u00eau chu\u1ea9n ASTM D1922 th\u01b0\u1eddng \u0111\u01b0\u1ee3c so s\u00e1nh gi\u1eefa c\u00e1c m\u00e0ng c\u00f3 c\u00f9ng \u0111\u1ed9 d\u00e0y \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o t\u00ednh ch\u00ednh x\u00e1c.<\/li>\n\n\n\n
  3. H\u01b0\u1edbng d\u1eabn:<\/strong> Nhi\u1ec1u lo\u1ea1i m\u00e0ng, \u0111\u1eb7c bi\u1ec7t l\u00e0 m\u00e0ng \u0111\u1ecbnh h\u01b0\u1edbng hai tr\u1ee5c, c\u00f3 \u0111\u1eb7c \u0111i\u1ec3m kh\u00f4ng \u0111\u1ed3ng nh\u1ea5t theo h\u01b0\u1edbng<\/strong> h\u00e0nh vi. \u0110i\u1ec1u n\u00e0y c\u00f3 ngh\u0129a l\u00e0 \u0111\u1ed9 b\u1ec1n r\u00e1ch c\u1ee7a ch\u00fang c\u00f3 th\u1ec3 kh\u00e1c nhau t\u00f9y thu\u1ed9c v\u00e0o h\u01b0\u1edbng r\u00e1ch so v\u1edbi h\u01b0\u1edbng m\u00e1y. Th\u1eed nghi\u1ec7m Elmendorf<\/strong> gi\u00fap n\u1eafm b\u1eaft \u0111\u01b0\u1ee3c nh\u1eefng s\u1ef1 kh\u00e1c bi\u1ec7t v\u1ec1 h\u01b0\u1edbng n\u00e0y, t\u1eeb \u0111\u00f3 cung c\u1ea5p d\u1eef li\u1ec7u ch\u00ednh x\u00e1c v\u1ec1 \u0111\u1ed9 b\u1ec1n r\u00e1ch.<\/li>\n\n\n\n
  4. \u0110\u1ed9 gi\u00e3n d\u00e0i:<\/strong> C\u00e1c v\u1eadt li\u1ec7u c\u00f3 \u0111\u1ed9 gi\u00e3n d\u00e0i \u0111\u00e1ng k\u1ec3 khi b\u1ecb r\u00e1ch c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn \u0111\u1ed9 l\u1eb7p l\u1ea1i c\u1ee7a k\u1ebft qu\u1ea3 th\u1eed nghi\u1ec7m b\u1ecb gi\u1ea3m, \u0111\u1eb7c bi\u1ec7t l\u00e0 \u0111\u1ed1i v\u1edbi c\u00e1c lo\u1ea1i m\u00e0ng c\u00f3 \u0111\u1ed9 gi\u00e3n d\u00e0i cao. Ti\u00eau chu\u1ea9n ASTM D1922 \u0111\u00e3 nh\u1eadn di\u1ec7n nh\u1eefng th\u00e1ch th\u1ee9c n\u00e0y, \u0111\u1eb7c bi\u1ec7t l\u00e0 \u0111\u1ed1i v\u1edbi c\u00e1c v\u1eadt li\u1ec7u c\u00f3 \u0111\u1ed9 gi\u00e3n d\u00e0i ho\u1eb7c \u0111\u1ed9 \u0111\u1ecbnh h\u01b0\u1edbng cao.<\/li>\n<\/ol>\n\n\n\n

    T\u1ea7m quan tr\u1ecdng c\u1ee7a \u0111\u1ed9 b\u1ec1n r\u00e1ch trong bao b\u00ec<\/h2>\n\n\n\n

    \u0110\u1ed1i v\u1edbi v\u1eadt li\u1ec7u \u0111\u00f3ng g\u00f3i, \u0111\u1ed9 b\u1ec1n k\u00e9o c\u1ee7a m\u00e0ng<\/strong> l\u00e0 y\u1ebfu t\u1ed1 c\u00f3 t\u1ea7m quan tr\u1ecdng h\u00e0ng \u0111\u1ea7u. Nh\u1eefng lo\u1ea1i m\u00e0ng d\u1ec5 r\u00e1ch c\u00f3 th\u1ec3 l\u00e0m suy gi\u1ea3m kh\u1ea3 n\u0103ng b\u1ea3o v\u1ec7 s\u1ea3n ph\u1ea9m, d\u1eabn \u0111\u1ebfn \u00f4 nhi\u1ec5m, h\u01b0 h\u1ecfng ho\u1eb7c th\u1ea5t tho\u00e1t s\u1ea3n ph\u1ea9m. V\u1eadt li\u1ec7u \u0111\u00f3ng g\u00f3i, \u0111\u1eb7c bi\u1ec7t l\u00e0 nh\u1eefng lo\u1ea1i d\u00f9ng cho th\u1ef1c ph\u1ea9m, d\u01b0\u1ee3c ph\u1ea9m v\u00e0 h\u00e0ng ti\u00eau d\u00f9ng, ph\u1ea3i \u0111\u1ee7 b\u1ec1n \u0111\u1ec3 ch\u1ed1ng l\u1ea1i c\u00e1c v\u1ebft th\u1ee7ng v\u00e0 r\u00e1ch do v\u00f4 \u00fd trong qu\u00e1 tr\u00ecnh x\u1eed l\u00fd v\u00e0 v\u1eadn chuy\u1ec3n.<\/p>\n\n\n\n

    V\u00ed d\u1ee5, trong l\u0129nh v\u1ef1c \u0111\u00f3ng g\u00f3i th\u1ef1c ph\u1ea9m, v\u1eadt li\u1ec7u ph\u1ea3i \u0111\u1ea3m b\u1ea3o kh\u1ea3 n\u0103ng ch\u1ed1ng r\u00e1ch<\/strong> \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o ch\u00fang kh\u00f4ng b\u1ecb r\u00e1ch trong qu\u00e1 tr\u00ecnh x\u1eed l\u00fd th\u00f4ng th\u01b0\u1eddng. T\u01b0\u01a1ng t\u1ef1, m\u00e0ng bao b\u00ec y t\u1ebf c\u1ea7n ph\u1ea3i ch\u1ed1ng r\u00e1ch<\/strong> \u0111\u1ec3 duy tr\u00ec t\u00ednh v\u00f4 tr\u00f9ng v\u00e0 \u0111\u1ea3m b\u1ea3o r\u1eb1ng ch\u00fang d\u1ec5 m\u1edf m\u00e0 kh\u00f4ng l\u00e0m h\u1ecfng n\u1ed9i dung b\u00ean trong.<\/p>\n\n\n\n

    T\u1ea1i sao n\u00ean s\u1eed d\u1ee5ng c\u00e1c gi\u1ea3i ph\u00e1p th\u1eed nghi\u1ec7m \u0111\u1ed9 b\u1ec1n r\u00e1ch c\u1ee7a Cell Instruments?<\/h2>\n\n\n\n

    \u0110\u1ed1i v\u1edbi c\u00e1c doanh nghi\u1ec7p mong mu\u1ed1n \u0111\u1ea3m b\u1ea3o r\u1eb1ng \u0111\u1ed9 b\u1ec1n k\u00e9o c\u1ee7a m\u00e0ng b\u1ecdc<\/strong> v\u00e0 c\u00e1c lo\u1ea1i m\u00e0ng nh\u1ef1a kh\u00e1c \u0111\u00e1p \u1ee9ng c\u00e1c ti\u00eau chu\u1ea9n ng\u00e0nh, D\u1ee5ng c\u1ee5 t\u1ebf b\u00e0o<\/strong> cung c\u1ea5p c\u00e1c t\u00ednh n\u0103ng n\u00e2ng cao thi\u1ebft b\u1ecb ki\u1ec3m tra \u0111\u1ed9 b\u1ec1n r\u00e1ch<\/a><\/strong>, bao g\u1ed3m c\u1ea3 M\u00e1y \u0111o \u0111\u1ed9 b\u1ec1n r\u00e1ch Elmendorf<\/strong>. Thi\u1ebft b\u1ecb c\u1ee7a ch\u00fang t\u00f4i \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 \u0111o l\u01b0\u1eddng ch\u00ednh x\u00e1c s\u1ee9c m\u1ea1nh x\u00e9 r\u00e1ch<\/strong>, gi\u00fap c\u00e1c doanh nghi\u1ec7p duy tr\u00ec c\u00e1c ti\u00eau chu\u1ea9n ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng cao nh\u1ea5t.<\/p>\n\n\n\n

    B\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng C\u00e1c thi\u1ebft b\u1ecb c\u1ee7a Cell Instruments\u2019<\/strong> V\u1edbi c\u00e1c gi\u1ea3i ph\u00e1p ki\u1ec3m tra n\u00e0y, c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t c\u00f3 th\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c k\u1ebft qu\u1ea3 \u0111\u00e1ng tin c\u1eady, c\u00f3 th\u1ec3 l\u1eb7p l\u1ea1i v\u00e0 tu\u00e2n th\u1ee7 Ti\u00eau chu\u1ea9n ASTMD1922<\/strong> c\u00e1c ti\u00eau chu\u1ea9n, \u0111\u1ea3m b\u1ea3o r\u1eb1ng v\u1eadt li\u1ec7u \u0111\u00f3ng g\u00f3i c\u1ee7a h\u1ecd \u0111\u00e1p \u1ee9ng \u0111\u01b0\u1ee3c \u0111\u1ed9 b\u1ec1n c\u1ea7n thi\u1ebft cho c\u1ea3 vi\u1ec7c s\u1eed d\u1ee5ng h\u00e0ng ng\u00e0y l\u1eabn trong c\u00e1c \u0111i\u1ec1u ki\u1ec7n kh\u1eafc nghi\u1ec7t.<\/p>\n\n\n\n

    Ti\u00eau chu\u1ea9n ASTMD1922<\/strong> l\u00e0 ph\u01b0\u01a1ng ph\u00e1p chu\u1ea9n m\u1ef1c \u0111\u1ec3 \u0111o l\u01b0\u1eddng \u0111\u1ed9 b\u1ec1n k\u00e9o c\u1ee7a m\u00e0ng<\/strong>, c\u00f9ng v\u1edbi Th\u1eed nghi\u1ec7m Elmendorf<\/strong> cung c\u1ea5p m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p c\u00f3 ki\u1ec3m so\u00e1t v\u00e0 ch\u00ednh x\u00e1c \u0111\u1ec3 \u0111\u00e1nh gi\u00e1 kh\u1ea3 n\u0103ng ch\u1ed1ng r\u00e1ch c\u1ee7a v\u1eadt li\u1ec7u. B\u1eb1ng c\u00e1ch hi\u1ec3u r\u00f5 c\u00e1c y\u1ebfu t\u1ed1 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn \u0111\u1ed9 b\u1ec1n m\u00e0ng<\/strong>, c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t c\u00f3 th\u1ec3 t\u1ed1i \u01b0u h\u00f3a v\u1eadt li\u1ec7u \u0111\u00f3ng g\u00f3i \u0111\u1ec3 \u0111\u00e1p \u1ee9ng c\u00e1c ti\u00eau chu\u1ea9n hi\u1ec7u su\u1ea5t c\u1ea7n thi\u1ebft, \u0111\u1ea3m b\u1ea3o an to\u00e0n v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng s\u1ea3n ph\u1ea9m.<\/p>\n\n\n\n

    <\/p>","protected":false},"excerpt":{"rendered":"

    \u0110\u1ed9 b\u1ec1n x\u00e9 c\u1ee7a m\u00e0ng: Hi\u1ec3u v\u1ec1 ph\u01b0\u01a1ng ph\u00e1p th\u1eed nghi\u1ec7m ASTM D1922 \u0110\u1ed9 b\u1ec1n x\u00e9 c\u1ee7a m\u00e0ng l\u00e0 m\u1ed9t \u0111\u1eb7c t\u00ednh quan tr\u1ecdng trong vi\u1ec7c \u0111\u00e1nh gi\u00e1 \u0111\u1ed9 b\u1ec1n c\u1ee7a c\u00e1c v\u1eadt li\u1ec7u \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong \u0111\u00f3ng g\u00f3i, \u1ee9ng d\u1ee5ng y t\u1ebf v\u00e0 nhi\u1ec1u l\u0129nh v\u1ef1c kh\u00e1c. Ti\u00eau chu\u1ea9n ASTM D1922 l\u00e0 ti\u00eau chu\u1ea9n v\u00e0ng \u0111\u1ec3 \u0111o l\u01b0\u1eddng \u0111\u1ed9 b\u1ec1n n\u00e0y, gi\u00fap c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t \u0111\u00e1nh gi\u00e1 kh\u1ea3 n\u0103ng ch\u1ed1ng r\u00e1ch c\u1ee7a m\u00e0ng nh\u1ef1a v\u00e0 t\u1ea5m m\u1ecfng trong c\u00e1c \u0111i\u1ec1u ki\u1ec7n c\u1ee5 th\u1ec3. [\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-1277","post","type-post","status-publish","format-standard","hentry","category-wrap-film-test"],"yoast_head":"\nUnderstanding Tear Strength of Film with ASTM D1922 and Elmendorf Test<\/title>\n<meta name=\"description\" content=\"Explore ASTM D1922 and the Elmendorf tear test for measuring the tear strength of plastic films. 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