{"id":10148,"date":"2026-03-24T16:07:24","date_gmt":"2026-03-24T08:07:24","guid":{"rendered":"https:\/\/www.packqc.com\/?post_type=standard&#038;p=10148"},"modified":"2026-03-24T16:07:25","modified_gmt":"2026-03-24T08:07:25","slug":"astm-d4632","status":"publish","type":"standard","link":"https:\/\/www.packqc.com\/vi\/standard\/astm-d4632\/","title":{"rendered":"ASTM D4632"},"content":{"rendered":"<p><strong>ASTM D4632<\/strong> quy \u0111\u1ecbnh m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p ti\u00eau chu\u1ea9n \u0111\u1ec3 \u0111\u00e1nh gi\u00e1 <strong>\u0111\u1ed9 b\u1ec1n k\u00e9o khi k\u00e9o c\u1ee7a v\u1ea3i \u0111\u1ecba k\u1ef9 thu\u1eadt<\/strong>, t\u1eadp trung v\u00e0o c\u1ea3 \u0111\u1eb7c t\u00ednh t\u1ea3i tr\u1ecdng \u0111\u1ee9t v\u00e0 \u0111\u1ed9 gi\u00e3n d\u00e0i. Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y t\u00e1c d\u1ee5ng m\u1ed9t l\u1ef1c k\u00e9o \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t l\u00ean m\u1eabu th\u1eed \u0111\u01b0\u1ee3c k\u1eb9p \u1edf gi\u1eefa cho \u0111\u1ebfn khi m\u1eabu b\u1ecb \u0111\u1ee9t, t\u1eeb \u0111\u00f3 cung c\u1ea5p m\u1ed9t ch\u1ec9 s\u1ed1 \u0111\u00e1ng tin c\u1eady v\u1ec1 hi\u1ec7u su\u1ea5t c\u1ee7a v\u1eadt li\u1ec7u.<\/p>\n\n\n\n<p>Kh\u00e1c v\u1edbi c\u00e1c th\u1eed nghi\u1ec7m k\u00e9o d\u1ea3i, ph\u01b0\u01a1ng ph\u00e1p n\u00e0y \u0111o l\u01b0\u1eddng <strong>\u201cs\u1ee9c m\u1ea1nh th\u1ef1c t\u1ebf\u201d<\/strong> c\u1ee7a v\u1ea3i \u0111\u1ecba k\u1ef9 thu\u1eadt, n\u01a1i c\u00e1c s\u1ee3i li\u1ec1n k\u1ec1 g\u00f3p ph\u1ea7n v\u00e0o kh\u1ea3 n\u0103ng ch\u1ecbu t\u1ea3i. Do \u0111\u00f3, c\u00e1c k\u1ef9 s\u01b0 v\u00e0 chuy\u00ean gia ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng th\u01b0\u1eddng s\u1eed d\u1ee5ng ti\u00eau chu\u1ea9n ASTM D4632 \u0111\u1ec3 <strong>ki\u1ec3m tra \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 ki\u1ec3m tra nghi\u1ec7m thu<\/strong> trong c\u00e1c \u1ee9ng d\u1ee5ng \u0111\u1ecba k\u1ef9 thu\u1eadt.<\/p>\n\n\n\n<p>C\u1ea7n l\u01b0u \u00fd r\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p n\u00e0y mang l\u1ea1i hi\u1ec7u qu\u1ea3 cao nh\u1ea5t khi so s\u00e1nh c\u00e1c lo\u1ea1i v\u1ea3i \u0111\u1ecba k\u1ef9 thu\u1eadt v\u1edbi <strong>c\u00e1c c\u1ea5u tr\u00fac t\u01b0\u01a1ng t\u1ef1<\/strong>, v\u00ec c\u00e1c c\u1ea5u tr\u00fac v\u1ea3i kh\u00e1c nhau s\u1ebd ph\u1ea3n \u1ee9ng kh\u00e1c nhau trong \u0111i\u1ec1u ki\u1ec7n th\u1eed nghi\u1ec7m \u0111\u1ed9 b\u00e1m d\u00ednh.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u0110\u1ed9 b\u1ec1n k\u00e9o ngang c\u1ee7a v\u1ea3i \u0111\u1ecba k\u1ef9 thu\u1eadt<\/h2>\n\n\n\n<p>C\u00e1c <strong>\u0111\u1ed9 b\u1ec1n k\u00e9o khi k\u00e9o c\u1ee7a v\u1ea3i \u0111\u1ecba k\u1ef9 thu\u1eadt<\/strong> th\u1ec3 hi\u1ec7n l\u1ef1c t\u1ed1i \u0111a m\u00e0 m\u1ed9t lo\u1ea1i v\u1ea3i c\u00f3 th\u1ec3 ch\u1ecbu \u0111\u01b0\u1ee3c khi ch\u1ec9 m\u1ed9t ph\u1ea7n chi\u1ec1u r\u1ed9ng c\u1ee7a n\u00f3 b\u1ecb k\u1eb9p ch\u1eb7t. C\u00e1ch b\u1ed1 tr\u00ed n\u00e0y m\u00f4 ph\u1ecfng c\u00e1c \u0111i\u1ec1u ki\u1ec7n \u1ee9ng su\u1ea5t trong th\u1ef1c t\u1ebf hi\u1ec7u qu\u1ea3 h\u01a1n so v\u1edbi th\u1eed nghi\u1ec7m k\u00e9o to\u00e0n chi\u1ec1u r\u1ed9ng.<\/p>\n\n\n\n<p>C\u00e1c kh\u00eda c\u1ea1nh k\u1ef9 thu\u1eadt ch\u00ednh bao g\u1ed3m:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>T\u1ea3i tr\u1ecdng c\u1ef1c \u0111\u1ea1i<\/strong>: L\u1ef1c t\u1ed1i \u0111a \u0111\u01b0\u1ee3c ghi nh\u1eadn tr\u01b0\u1edbc khi m\u1eabu b\u1ecb h\u1ecfng<\/li>\n\n\n\n<li><strong>\u0110\u1ed9 gi\u00e3n d\u00e0i khi \u0111\u1ee9t<\/strong>: Bi\u1ebfn d\u1ea1ng t\u01b0\u01a1ng \u1ee9ng v\u1edbi t\u1ea3i tr\u1ecdng c\u1ef1c \u0111\u1ea1i<\/li>\n\n\n\n<li><strong>H\u01b0\u1edbng s\u1ee3i (MD)<\/strong> V\u00e0 <strong>H\u01b0\u1edbng ngang (CD)<\/strong> Ki\u1ec3m tra<\/li>\n\n\n\n<li>\u0110i\u1ec1u ki\u1ec7n m\u00f4i tr\u01b0\u1eddng \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t (21 \u00b1 2\u00b0C, 65 \u00b1 5% \u0111\u1ed9 \u1ea9m t\u01b0\u01a1ng \u0111\u1ed1i)<\/li>\n<\/ul>\n\n\n\n<p><strong>T\u1ea1i sao \u0111i\u1ec1u n\u00e0y quan tr\u1ecdng:<\/strong><br>Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y gi\u00fap c\u00e1c k\u1ef9 s\u01b0 \u0111\u00e1nh gi\u00e1 hi\u1ec7u qu\u1ea3 ho\u1ea1t \u0111\u1ed9ng c\u1ee7a v\u1ea3i \u0111\u1ecba k\u1ef9 thu\u1eadt khi ch\u1ecbu \u1ee9ng su\u1ea5t c\u1ee5c b\u1ed9, ch\u1eb3ng h\u1ea1n nh\u01b0 trong c\u00e1c \u1ee9ng d\u1ee5ng gia c\u1ed1 \u0111\u1ea5t, l\u1ecdc v\u00e0 ng\u0103n c\u00e1ch.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Th\u1eed nghi\u1ec7m t\u1ea3i \u0111\u1ee9t c\u1ee7a Grab: Quy tr\u00ecnh v\u00e0 c\u00e1c th\u00f4ng s\u1ed1 ch\u00ednh<\/h2>\n\n\n\n<p>C\u00e1c <strong>Th\u1eed nghi\u1ec7m t\u1ea3i \u0111\u1ee9t \u0111\u1ed1i v\u1edbi k\u1eb9p<\/strong> Theo ti\u00eau chu\u1ea9n ASTM D4632, quy tr\u00ecnh n\u00e0y tu\u00e2n th\u1ee7 m\u1ed9t khung quy tr\u00ecnh nghi\u00eam ng\u1eb7t nh\u1eb1m \u0111\u1ea3m b\u1ea3o t\u00ednh l\u1eb7p l\u1ea1i v\u00e0 \u0111\u1ed9 ch\u00ednh x\u00e1c.<\/p>\n\n\n\n<p><strong>C\u00e1c b\u01b0\u1edbc ki\u1ec3m tra ch\u00ednh:<\/strong><\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Chu\u1ea9n b\u1ecb m\u1eabu<\/strong><br>Chu\u1ea9n b\u1ecb m\u1eabu trong \u0111i\u1ec1u ki\u1ec7n kh\u00ed quy\u1ec3n ti\u00eau chu\u1ea9n \u0111\u1ec3 lo\u1ea1i b\u1ecf c\u00e1c y\u1ebfu t\u1ed1 bi\u1ebfn \u0111\u1ed9ng t\u1eeb m\u00f4i tr\u01b0\u1eddng.<\/li>\n\n\n\n<li><strong>C\u00e0i \u0111\u1eb7t k\u1eb9p<\/strong>\n<ul class=\"wp-block-list\">\n<li>Chi\u1ec1u d\u00e0i \u0111o: 75 \u00b1 1 mm<\/li>\n\n\n\n<li>M\u1eabu \u0111\u01b0\u1ee3c \u0111\u1eb7t ch\u00ednh gi\u1eefa hai h\u00e0m<\/li>\n\n\n\n<li>Vi\u1ec7c k\u1eb9p v\u1edbi chi\u1ec1u r\u1ed9ng m\u1ed9t ph\u1ea7n \u0111\u1ea3m b\u1ea3o s\u1ef1 ph\u00e2n b\u1ed1 \u1ee9ng su\u1ea5t th\u1ef1c t\u1ebf<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Th\u1ef1c hi\u1ec7n ki\u1ec3m tra<\/strong>\n<ul class=\"wp-block-list\">\n<li>T\u1ed1c \u0111\u1ed9 ki\u1ec3m tra: <strong>300 mm\/ph\u00fat<\/strong><\/li>\n\n\n\n<li>T\u00e1c d\u1ee5ng l\u1ef1c k\u00e9o li\u00ean t\u1ee5c cho \u0111\u1ebfn khi \u0111\u1ee9t<\/li>\n\n\n\n<li>Duy tr\u00ec t\u1ed1c \u0111\u1ed9 bi\u1ebfn d\u1ea1ng \u1edf m\u1ee9c 20 \u00b1 51 TP9T\/ph\u00fat<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Ghi d\u1eef li\u1ec7u<\/strong><br>Ch\u1ee5p \u1ea3nh:\n<ul class=\"wp-block-list\">\n<li>T\u1ea3i tr\u1ecdng \u0111\u1ec9nh<\/li>\n\n\n\n<li>\u0110\u01b0\u1eddng cong t\u1ea3i-d\u00e3n<\/li>\n\n\n\n<li>\u0110\u1ed9 t\u00e1ch r\u1eddi c\u1ee7a k\u1eb9p khi \u0111\u1ee9t<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>X\u00e1c minh k\u1ebft qu\u1ea3<\/strong><br>Lo\u1ea1i b\u1ecf k\u1ebft qu\u1ea3 n\u1ebfu:\n<ul class=\"wp-block-list\">\n<li>X\u1ea3y ra hi\u1ec7n t\u01b0\u1ee3ng tr\u01b0\u1ee3t gi\u00e1<\/li>\n\n\n\n<li>V\u1ebft n\u1ee9t xu\u1ea5t hi\u1ec7n t\u1ea1i c\u00e1c k\u1eb9p<\/li>\n\n\n\n<li>Xu\u1ea5t hi\u1ec7n s\u1ef1 l\u1ec7ch l\u1ea1c b\u1ea5t th\u01b0\u1eddng<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n\n\n<p><strong>K\u1ebft qu\u1ea3 t\u00ednh to\u00e1n cu\u1ed1i c\u00f9ng:<\/strong><br>T\u00ednh trung b\u00ecnh c\u00e1c k\u1ebft qu\u1ea3 h\u1ee3p l\u1ec7 ri\u00eang bi\u1ec7t cho c\u00e1c h\u01b0\u1edbng MD v\u00e0 CD, nh\u1eb1m \u0111\u1ea3m b\u1ea3o k\u1ebft qu\u1ea3 c\u00f3 \u0111\u1ed9 tin c\u1eady v\u1ec1 m\u1eb7t th\u1ed1ng k\u00ea.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Th\u1eed nghi\u1ec7m \u0111\u1ed9 gi\u00e3n d\u00e0i c\u1ee7a s\u1ee3i: \u0110o l\u01b0\u1eddng h\u00e0nh vi bi\u1ebfn d\u1ea1ng<\/h2>\n\n\n\n<p>C\u00e1c <strong>Th\u1eed nghi\u1ec7m \u0111\u1ed9 gi\u00e3n d\u00e0i khi k\u00e9o<\/strong> b\u1ed5 sung cho vi\u1ec7c \u0111\u00e1nh gi\u00e1 \u0111\u1ed9 b\u1ec1n b\u1eb1ng c\u00e1ch \u0111o \u0111\u1ed9 gi\u00e3n c\u1ee7a v\u1ea3i \u0111\u1ecba k\u1ef9 thu\u1eadt tr\u01b0\u1edbc khi b\u1ecb \u0111\u1ee9t.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">C\u00e1c ti\u00eau ch\u00ed \u0111\u00e1nh gi\u00e1 ch\u00ednh:<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0110\u1ed9 gi\u00e3n d\u00e0i t\u1ef7 l\u1ec7 thu\u1eadn v\u1edbi <strong>t\u1ea3i tr\u1ecdng c\u1ef1c \u0111\u1ea1i<\/strong><\/li>\n\n\n\n<li>\u0110\u01b0\u1ee3c bi\u1ec3u th\u1ecb d\u01b0\u1edbi d\u1ea1ng ph\u1ea7n tr\u0103m so v\u1edbi chi\u1ec1u d\u00e0i chu\u1ea9n ban \u0111\u1ea7u<\/li>\n\n\n\n<li>Cho bi\u1ebft <strong>\u0111\u1ed9 d\u1ebbo v\u00e0 t\u00ednh linh ho\u1ea1t<\/strong> c\u1ee7a v\u1eadt li\u1ec7u<\/li>\n<\/ul>\n\n\n\n<p><strong>Nh\u1eefng g\u1ee3i \u00fd thi\u1ebft th\u1ef1c:<\/strong><br>V\u1ea3i \u0111\u1ecba k\u1ef9 thu\u1eadt c\u00f3 \u0111\u1ed9 gi\u00e3n d\u00e0i cao c\u00f3 th\u1ec3 h\u1ea5p th\u1ee5 \u1ee9ng su\u1ea5t t\u1ed1t h\u01a1n, trong khi \u0111\u1ed9 gi\u00e3n d\u00e0i th\u1ea5p h\u01a1n th\u01b0\u1eddng cho th\u1ea5y \u0111\u1ed9 c\u1ee9ng cao h\u01a1n. Vi\u1ec7c l\u1ef1a ch\u1ecdn s\u1ef1 c\u00e2n b\u1eb1ng ph\u00f9 h\u1ee3p l\u00e0 y\u1ebfu t\u1ed1 quan tr\u1ecdng \u0111\u1ed1i v\u1edbi c\u00e1c \u1ee9ng d\u1ee5ng k\u1ef9 thu\u1eadt c\u1ee5 th\u1ec3.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">M\u00e1y th\u1eed \u0111\u1ed9 b\u1ec1n k\u00e9o cho v\u1ea3i \u0111\u1ecba k\u1ef9 thu\u1eadt: L\u1ef1a ch\u1ecdn thi\u1ebft b\u1ecb<\/h2>\n\n\n\n<p>M\u1ed9t s\u1ea3n ph\u1ea9m hi\u1ec7u su\u1ea5t cao <strong>m\u00e1y th\u1eed \u0111\u1ed9 b\u1ec1n k\u00e9o cho v\u1ea3i \u0111\u1ecba k\u1ef9 thu\u1eadt<\/strong> l\u00e0 y\u1ebfu t\u1ed1 thi\u1ebft y\u1ebfu \u0111\u1ec3 \u0111\u00e1p \u1ee9ng c\u00e1c y\u00eau c\u1ea7u c\u1ee7a ti\u00eau chu\u1ea9n ASTM D4632. \u0110\u1ed9 ch\u00ednh x\u00e1c, \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh v\u00e0 \u0111\u1ed9 l\u1eb7p l\u1ea1i c\u00f3 \u1ea3nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn \u0111\u1ed9 tin c\u1eady c\u1ee7a k\u1ebft qu\u1ea3 th\u1eed nghi\u1ec7m.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Gi\u1ea3i ph\u00e1p \u0111\u01b0\u1ee3c \u0111\u1ec1 xu\u1ea5t: Cell Instruments <a href=\"https:\/\/www.packqc.com\/vi\/products\/sale-packaging-tensile-strength-tester-film\/\" target=\"_blank\" rel=\"noreferrer noopener\">M\u00e1y th\u1eed \u0111\u1ed9 b\u1ec1n k\u00e9o TST-01 CRE<\/a><\/h3>\n\n\n\n<p>Cell Instruments cung c\u1ea5p m\u1ed9t gi\u1ea3i ph\u00e1p m\u1ea1nh m\u1ebd, \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf ri\u00eang cho th\u1eed nghi\u1ec7m theo ti\u00eau chu\u1ea9n ASTM D4632:<\/p>\n\n\n\n<p><strong>Nh\u1eefng \u01b0u \u0111i\u1ec3m ch\u00ednh:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>H\u1ec7 th\u1ed1ng \u0111i\u1ec1u khi\u1ec3n b\u1eb1ng PLC v\u1edbi giao di\u1ec7n ng\u01b0\u1eddi d\u00f9ng (HMI)<\/strong> \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o ho\u1ea1t \u0111\u1ed9ng \u1ed5n \u0111\u1ecbnh v\u00e0 tr\u1ef1c quan<\/li>\n\n\n\n<li><strong>H\u1ec7 th\u1ed1ng truy\u1ec1n \u0111\u1ed9ng v\u00edt bi ch\u00ednh x\u00e1c<\/strong> \u0111\u1ea3m b\u1ea3o ki\u1ec3m so\u00e1t \u0111\u1ed9 d\u1ecbch chuy\u1ec3n ch\u00ednh x\u00e1c<\/li>\n\n\n\n<li>T\u1ed1c \u0111\u1ed9 th\u1eed nghi\u1ec7m c\u00f3 th\u1ec3 \u0111i\u1ec1u ch\u1ec9nh t\u1eeb <strong>1\u2013500 mm\/ph\u00fat<\/strong>, ho\u00e0n to\u00e0n tu\u00e2n th\u1ee7 c\u00e1c ti\u00eau chu\u1ea9n ASTM<\/li>\n\n\n\n<li>\u0110\u1ed9 ch\u00ednh x\u00e1c cao trong \u0111o l\u01b0\u1eddng (<strong>0,5% FS<\/strong>) \u0111\u1ec3 c\u00f3 d\u1eef li\u1ec7u \u0111\u00e1ng tin c\u1eady<\/li>\n\n\n\n<li>Hi\u1ec3n th\u1ecb \u0111\u1ed3 th\u1ecb theo th\u1eddi gian th\u1ef1c \u0111\u1ec3 ph\u00e2n t\u00edch s\u00e2u h\u01a1n<\/li>\n\n\n\n<li>Kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch linh ho\u1ea1t c\u1ee7a thi\u1ebft b\u1ecb k\u1eb9p v\u1edbi nhi\u1ec1u lo\u1ea1i th\u1eed nghi\u1ec7m<\/li>\n<\/ul>\n\n\n\n<p><strong>L\u1ee3i \u00edch v\u1ec1 m\u1eb7t v\u1eadn h\u00e0nh:<\/strong><br>H\u1ec7 th\u1ed1ng h\u1ed7 tr\u1ee3 <strong>quy tr\u00ecnh ki\u1ec3m th\u1eed t\u1ef1 \u0111\u1ed9ng<\/strong>, gi\u00fap gi\u1ea3m thi\u1ec3u sai s\u00f3t c\u1ee7a ng\u01b0\u1eddi v\u1eadn h\u00e0nh v\u00e0 n\u00e2ng cao hi\u1ec7u qu\u1ea3 ho\u1ea1t \u0111\u1ed9ng chung c\u1ee7a ph\u00f2ng th\u00ed nghi\u1ec7m \u2014 nh\u1edd \u0111\u00f3 tr\u1edf th\u00e0nh gi\u1ea3i ph\u00e1p l\u00fd t\u01b0\u1edfng cho c\u1ea3 m\u00f4i tr\u01b0\u1eddng nghi\u00ean c\u1ee9u v\u00e0 ph\u00e1t tri\u1ec3n (R&amp;D) l\u1eabn ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">T\u1ea7m quan tr\u1ecdng c\u1ee7a ti\u00eau chu\u1ea9n ASTM D4632 trong ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng<\/h2>\n\n\n\n<p>Ti\u00eau chu\u1ea9n ASTM D4632 \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>So s\u00e1nh v\u1eadt li\u1ec7u<\/strong> \u0111\u1ed1i v\u1edbi c\u00e1c c\u00f4ng tr\u00ecnh v\u1ea3i \u0111\u1ecba k\u1ef9 thu\u1eadt t\u01b0\u01a1ng t\u1ef1<\/li>\n\n\n\n<li><strong>Ki\u1ec3m tra ch\u1ea5t l\u01b0\u1ee3ng \u0111\u1ea7u v\u00e0o<\/strong><\/li>\n\n\n\n<li><strong>Ch\u1ee9ng nh\u1eadn v\u00e0 tu\u00e2n th\u1ee7 ti\u00eau chu\u1ea9n s\u1ea3n ph\u1ea9m<\/strong><\/li>\n\n\n\n<li><strong>X\u00e1c nh\u1eadn hi\u1ec7u qu\u1ea3 trong c\u00e1c d\u1ef1 \u00e1n c\u00f4ng tr\u00ecnh d\u00e2n d\u1ee5ng<\/strong><\/li>\n<\/ul>\n\n\n\n<p>Tuy nhi\u00ean, ph\u01b0\u01a1ng ph\u00e1p n\u00e0y kh\u00f4ng n\u00ean \u0111\u01b0\u1ee3c coi l\u00e0 c\u01a1 s\u1edf duy nh\u1ea5t \u0111\u1ec3 \u0111\u01b0a ra c\u00e1c quy\u1ebft \u0111\u1ecbnh thi\u1ebft k\u1ebf. C\u00e1c k\u1ef9 s\u01b0 th\u01b0\u1eddng k\u1ebft h\u1ee3p ph\u01b0\u01a1ng ph\u00e1p n\u00e0y v\u1edbi c\u00e1c th\u1eed nghi\u1ec7m \u0111\u1ed9 b\u1ec1n k\u00e9o ho\u1eb7c \u0111\u1ed9 b\u1ec1n kh\u00e1c \u0111\u1ec3 c\u00f3 \u0111\u01b0\u1ee3c b\u1ee9c tranh to\u00e0n di\u1ec7n v\u1ec1 hi\u1ec7u su\u1ea5t.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p<\/h2>\n\n\n\n<p><strong>1. Ti\u00eau chu\u1ea9n ASTM D4632 ch\u1ee7 y\u1ebfu \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 l\u00e0m g\u00ec?<\/strong><br>Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y \u0111\u00e1nh gi\u00e1 \u0111\u1ed9 b\u1ec1n k\u00e9o khi k\u00e9o \u0111\u1ed9t ng\u1ed9t c\u1ee7a v\u1ea3i \u0111\u1ecba k\u1ef9 thu\u1eadt, bao g\u1ed3m t\u1ea3i tr\u1ecdng \u0111\u1ee9t v\u00e0 \u0111\u1ed9 gi\u00e3n d\u00e0i, ch\u1ee7 y\u1ebfu nh\u1eb1m m\u1ee5c \u0111\u00edch ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 so s\u00e1nh.<\/p>\n\n\n\n<p><strong>2. Ph\u01b0\u01a1ng ph\u00e1p l\u1ea5y m\u1eabu kh\u00e1c v\u1edbi th\u1eed nghi\u1ec7m k\u00e9o d\u1ea3i nh\u01b0 th\u1ebf n\u00e0o?<\/strong><br>Ph\u01b0\u01a1ng ph\u00e1p k\u1eb9p n\u00e0y ch\u1ec9 k\u1eb9p m\u1ed9t ph\u1ea7n chi\u1ec1u r\u1ed9ng c\u1ee7a m\u1eabu th\u1eed, cho ph\u00e9p c\u00e1c s\u1ee3i l\u00e2n c\u1eadn tham gia v\u00e0o qu\u00e1 tr\u00ecnh, t\u1eeb \u0111\u00f3 ph\u1ea3n \u00e1nh ch\u00ednh x\u00e1c h\u01a1n c\u00e1c \u0111i\u1ec1u ki\u1ec7n \u1ee9ng su\u1ea5t trong th\u1ef1c t\u1ebf.<\/p>\n\n\n\n<p><strong>3. T\u1ed1c \u0111\u1ed9 th\u1eed nghi\u1ec7m ti\u00eau chu\u1ea9n trong ti\u00eau chu\u1ea9n ASTM D4632 l\u00e0 bao nhi\u00eau?<\/strong><br>Ti\u00eau chu\u1ea9n quy \u0111\u1ecbnh t\u1ed1c \u0111\u1ed9 th\u1eed nghi\u1ec7m l\u00e0 <strong>300 mm\/ph\u00fat<\/strong>, \u0111\u1ea3m b\u1ea3o l\u1ef1c k\u00e9o \u0111\u01b0\u1ee3c ph\u00e2n b\u1ed5 \u0111\u1ec1u.<\/p>\n\n\n\n<p><strong>4. C\u00f3 th\u1ec3 <a href=\"https:\/\/store.astm.org\/d4632_d4632m-15ar23.html\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">ASTM D4632<\/a> C\u00f3 th\u1ec3 s\u1eed d\u1ee5ng c\u00e1c k\u1ebft qu\u1ea3 n\u00e0y cho c\u00e1c t\u00ednh to\u00e1n thi\u1ebft k\u1ebf kh\u00f4ng?<\/strong><br>Kh\u00f4ng, c\u00e1c k\u1ebft qu\u1ea3 n\u00e0y ch\u1ee7 y\u1ebfu mang t\u00ednh so s\u00e1nh v\u00e0 ch\u01b0a \u0111\u1ee7 \u0111\u1ec3 ti\u1ebfn h\u00e0nh ph\u00e2n t\u00edch thi\u1ebft k\u1ebf k\u1ebft c\u1ea5u to\u00e0n di\u1ec7n.<\/p>\n\n\n\n<p><strong>5. Nguy\u00ean nh\u00e2n n\u00e0o d\u1eabn \u0111\u1ebfn k\u1ebft qu\u1ea3 x\u00e9t nghi\u1ec7m kh\u00f4ng ch\u00ednh x\u00e1c?<\/strong><br>C\u00e1c v\u1ea5n \u0111\u1ec1 th\u01b0\u1eddng g\u1eb7p bao g\u1ed3m tr\u01b0\u1ee3t m\u1eabu, g\u00e3y m\u00e9p ho\u1eb7c h\u01b0 h\u1ecfng g\u1ea7n k\u1eb9p, khi\u1ebfn ph\u1ea3i ti\u1ebfn h\u00e0nh th\u1eed nghi\u1ec7m l\u1ea1i.<\/p>","protected":false},"featured_media":10149,"parent":0,"template":"","meta":{"_acf_changed":true,"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""}}},"class_list":["post-10148","standard","type-standard","status-publish","has-post-thumbnail","hentry"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.packqc.com\/vi\/wp-json\/wp\/v2\/standard\/10148","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.packqc.com\/vi\/wp-json\/wp\/v2\/standard"}],"about":[{"href":"https:\/\/www.packqc.com\/vi\/wp-json\/wp\/v2\/types\/standard"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.packqc.com\/vi\/wp-json\/wp\/v2\/media\/10149"}],"wp:attachment":[{"href":"https:\/\/www.packqc.com\/vi\/wp-json\/wp\/v2\/media?parent=10148"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}