{"id":10155,"date":"2026-03-25T14:27:05","date_gmt":"2026-03-25T06:27:05","guid":{"rendered":"https:\/\/www.packqc.com\/?post_type=standard&#038;p=10155"},"modified":"2026-03-25T14:27:06","modified_gmt":"2026-03-25T06:27:06","slug":"astm-d4595","status":"publish","type":"standard","link":"https:\/\/www.packqc.com\/vi\/standard\/astm-d4595\/","title":{"rendered":"ASTM D4595"},"content":{"rendered":"<h2 class=\"wp-block-heading\">Th\u1eed nghi\u1ec7m \u0111\u1ed9 b\u1ec1n k\u00e9o c\u1ee7a v\u1ea3i \u0111\u1ecba k\u1ef9 thu\u1eadt: Hi\u1ec3u v\u1ec1 ti\u00eau chu\u1ea9n ASTM D4595<\/h2>\n\n\n\n<p><strong>ASTM D4595<\/strong> quy \u0111\u1ecbnh m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p ti\u00eau chu\u1ea9n \u0111\u1ec3 \u0111o l\u01b0\u1eddng c\u00e1c t\u00ednh ch\u1ea5t k\u00e9o c\u1ee7a v\u1ea3i \u0111\u1ecba k\u1ef9 thu\u1eadt b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng m\u1eabu th\u1eed c\u00f3 chi\u1ec1u r\u1ed9ng l\u1edbn. Kh\u00e1c v\u1edbi c\u00e1c th\u1eed nghi\u1ec7m tr\u00ean d\u1ea3i h\u1eb9p, ph\u01b0\u01a1ng ph\u00e1p n\u00e0y gi\u1ea3m thi\u1ec3u c\u00e1c hi\u1ec7u \u1ee9ng bi\u00ean nh\u01b0 hi\u1ec7n t\u01b0\u1ee3ng \u201cco th\u1eaft\u201d, t\u1eeb \u0111\u00f3 mang l\u1ea1i k\u1ebft qu\u1ea3 ph\u1ea3n \u00e1nh ch\u00ednh x\u00e1c h\u01a1n hi\u1ec7u su\u1ea5t th\u1ef1c t\u1ebf trong c\u00e1c \u1ee9ng d\u1ee5ng k\u1ef9 thu\u1eadt d\u00e2n d\u1ee5ng.<\/p>\n\n\n\n<p>C\u00e1i n\u00e0y <strong>Th\u1eed nghi\u1ec7m \u0111\u1ed9 b\u1ec1n k\u00e9o c\u1ee7a v\u1ea3i \u0111\u1ecba k\u1ef9 thu\u1eadt<\/strong> \u00e1p d\u1ee5ng cho c\u00e1c lo\u1ea1i v\u1ea3i \u0111\u1ecba k\u1ef9 thu\u1eadt d\u1ec7t, kh\u00f4ng d\u1ec7t, d\u1ec7t kim v\u00e0 nhi\u1ec1u l\u1edbp. C\u00e1c k\u1ef9 s\u01b0 d\u1ef1a v\u00e0o n\u00f3 \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh c\u00e1c th\u00f4ng s\u1ed1 ch\u00ednh nh\u01b0:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u0110\u1ed9 b\u1ec1n k\u00e9o<\/strong><\/li>\n\n\n\n<li><strong>\u0110\u1ed9 gi\u00e3n d\u00e0i khi \u0111\u1ee9t<\/strong><\/li>\n\n\n\n<li><strong>M\u00f4-\u0111un ban \u0111\u1ea7u v\u00e0 m\u00f4-\u0111un secant<\/strong><\/li>\n\n\n\n<li><strong>V\u01b0\u1ee3t qua s\u1ef1 kh\u1eafc nghi\u1ec7t<\/strong><\/li>\n<\/ul>\n\n\n\n<p>Nh\u1eefng \u0111\u1eb7c t\u00ednh n\u00e0y l\u00e0 y\u1ebfu t\u1ed1 thi\u1ebft y\u1ebfu trong thi\u1ebft k\u1ebf c\u00e1c c\u00f4ng tr\u00ecnh \u0111\u1ea5t gia c\u1ed1, \u0111\u00ea \u0111\u1ea5t, m\u1eb7t \u0111\u01b0\u1eddng v\u00e0 h\u1ec7 th\u1ed1ng gia c\u1ed1 m\u00e1i d\u1ed1c.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Th\u1eed nghi\u1ec7m \u0111\u1ed9 b\u1ec1n k\u00e9o tr\u00ean m\u1eabu c\u00f3 chi\u1ec1u r\u1ed9ng l\u1edbn<\/h2>\n\n\n\n<p>C\u00e1c <strong>Th\u1eed nghi\u1ec7m \u0111\u1ed9 b\u1ec1n k\u00e9o \u0111\u1ed1i v\u1edbi v\u1eadt li\u1ec7u c\u00f3 chi\u1ec1u r\u1ed9ng l\u1edbn<\/strong> kh\u00e1c bi\u1ec7t c\u01a1 b\u1ea3n so v\u1edbi c\u00e1c ph\u01b0\u01a1ng ph\u00e1p th\u1eed nghi\u1ec7m d\u1ea3i truy\u1ec1n th\u1ed1ng. Thay v\u00ec th\u1eed nghi\u1ec7m tr\u00ean m\u1eabu c\u00f3 chi\u1ec1u r\u1ed9ng h\u1eb9p, ti\u00eau chu\u1ea9n ASTM D4595 quy \u0111\u1ecbnh s\u1eed d\u1ee5ng m\u1eabu c\u00f3 chi\u1ec1u r\u1ed9ng l\u1edbn h\u01a1n \u0111\u1ec3 gi\u1ea3m hi\u1ec7n t\u01b0\u1ee3ng co ng\u00f3t theo chi\u1ec1u ngang trong qu\u00e1 tr\u00ecnh t\u1ea3i.<\/p>\n\n\n\n<p><strong>C\u00e1c \u01b0u \u0111i\u1ec3m ch\u00ednh bao g\u1ed3m:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>C\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng t\u01b0\u01a1ng quan t\u1ea1i hi\u1ec7n tr\u01b0\u1eddng:<\/strong> K\u1ebft qu\u1ea3 r\u1ea5t ph\u00f9 h\u1ee3p v\u1edbi h\u00e0nh vi c\u1ee7a v\u1ea3i \u0111\u1ecba k\u1ef9 thu\u1eadt t\u1ea1i hi\u1ec7n tr\u01b0\u1eddng<\/li>\n\n\n\n<li><strong>Gi\u1ea3m s\u1ef1 t\u1eadp trung \u1ee9ng su\u1ea5t t\u1ea1i m\u00e9p:<\/strong> Gi\u1ea3m thi\u1ec3u t\u00ecnh tr\u1ea1ng h\u1ecfng h\u00f3c s\u1edbm \u1edf khu v\u1ef1c tay c\u1ea7m<\/li>\n\n\n\n<li><strong>Th\u1ec3 hi\u1ec7n ch\u00ednh x\u00e1c h\u01a1n c\u00e1c v\u1eadt li\u1ec7u kh\u00f4ng d\u1ec7t:<\/strong> \u0110i\u1ec1u n\u00e0y \u0111\u1eb7c bi\u1ec7t quan tr\u1ecdng \u0111\u1ed1i v\u1edbi c\u00e1c lo\u1ea1i v\u1ea3i \u0111\u1ecba k\u1ef9 thu\u1eadt d\u1ec5 b\u1ecb bi\u1ebfn d\u1ea1ng<\/li>\n<\/ul>\n\n\n\n<p>\u0110i\u1ec1u n\u00e0y khi\u1ebfn ti\u00eau chu\u1ea9n ASTM D4595 tr\u1edf n\u00ean \u0111\u1eb7c bi\u1ec7t h\u1eefu \u00edch cho <strong>\u0111\u00e1nh gi\u00e1 \u1edf c\u1ea5p \u0111\u1ed9 thi\u1ebft k\u1ebf<\/strong>, kh\u00f4ng ch\u1ec9 l\u00e0 ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Quy tr\u00ecnh ph\u01b0\u01a1ng ph\u00e1p ASTM D4595 cho m\u1eabu c\u00f3 chi\u1ec1u r\u1ed9ng l\u1edbn<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">1. Chu\u1ea9n b\u1ecb m\u1eabu<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>S\u1eed d\u1ee5ng <strong>m\u1eabu c\u00f3 chi\u1ec1u r\u1ed9ng l\u1edbn<\/strong> \u0111\u1ec3 gi\u1ea3m thi\u1ec3u hi\u1ec7n t\u01b0\u1ee3ng thu h\u1eb9p<\/li>\n\n\n\n<li>\u0110\u1eb7t c\u00e1c m\u1eabu trong \u0111i\u1ec1u ki\u1ec7n kh\u00ed quy\u1ec3n ph\u00f2ng th\u00ed nghi\u1ec7m ti\u00eau chu\u1ea9n<\/li>\n\n\n\n<li>\u0110\u01b0\u1ee3c ph\u00e9p ti\u1ebfn h\u00e0nh th\u1eed nghi\u1ec7m trong \u0111i\u1ec1u ki\u1ec7n \u1ea9m \u01b0\u1edbt <strong>20 ph\u00fat sau khi ng\u00e2m<\/strong><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">2. C\u00e0i \u0111\u1eb7t m\u00e1y<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Chi\u1ec1u d\u00e0i \u0111o: <strong>100 \u00b1 3 mm<\/strong><\/li>\n\n\n\n<li>\u0110\u1eb7t m\u1eabu \u1edf v\u1ecb tr\u00ed ch\u00ednh gi\u1eefa v\u00e0 th\u1eb3ng \u0111\u1ee9ng<\/li>\n\n\n\n<li>\u0110\u0103ng k\u00fd <strong>\u0111\u1ed9 c\u0103ng tr\u01b0\u1edbc \u22641%<\/strong> c\u1ee7a l\u1ef1c \u0111\u1ee9t d\u1ef1 ki\u1ebfn<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">3. Quy tr\u00ecnh ki\u1ec3m th\u1eed<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Kh\u1edfi \u0111\u1ed9ng m\u00e1y v\u00e0 t\u00e1c d\u1ee5ng l\u1ef1c k\u00e9o cho \u0111\u1ebfn khi \u0111\u1ee9t<\/li>\n\n\n\n<li>Ghi l\u1ea1i <strong>\u0111\u01b0\u1eddng cong l\u1ef1c\u2013\u0111\u1ed9 gi\u00e3n d\u00e0i<\/strong><\/li>\n\n\n\n<li>Lo\u1ea1i b\u1ecf c\u00e1c k\u1ebft qu\u1ea3 kh\u00f4ng h\u1ee3p l\u1ec7 (v\u00ed d\u1ee5: g\u00e3y h\u00e0m ho\u1eb7c tr\u01b0\u1ee3t)<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">4. L\u01b0u \u00fd quan tr\u1ecdng<\/h3>\n\n\n\n<p><strong>Ph\u1ea7n h\u00e0m b\u1ecb g\u00e3y trong ph\u1ea1m vi 5 mm t\u00ednh t\u1eeb tay c\u1ea7m<\/strong> c\u00f3 th\u1ec3 b\u1ecb lo\u1ea1i b\u1ecf n\u1ebfu ch\u00fang l\u1ec7ch \u0111\u00e1ng k\u1ec3 so v\u1edbi k\u1ebft qu\u1ea3 trung b\u00ecnh. Vi\u1ec7c k\u1eb9p ch\u1eb7t \u0111\u00fang c\u00e1ch l\u00e0 y\u1ebfu t\u1ed1 quy\u1ebft \u0111\u1ecbnh \u0111\u1ed1i v\u1edbi \u0111\u1ed9 ch\u00ednh x\u00e1c.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">T\u00ednh to\u00e1n c\u00e1c \u0111\u1eb7c t\u00ednh k\u00e9o c\u1ee7a v\u1ea3i \u0111\u1ecba k\u1ef9 thu\u1eadt theo ti\u00eau chu\u1ea9n ASTM D4595<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u0110\u1ed9 b\u1ec1n k\u00e9o<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0110\u01b0\u1ee3c \u0111\u1ecbnh ngh\u0129a l\u00e0 <strong>l\u1ef1c t\u1ed1i \u0111a tr\u00ean m\u1ed7i \u0111\u01a1n v\u1ecb chi\u1ec1u r\u1ed9ng<\/strong><\/li>\n\n\n\n<li>\u0110\u01b0\u1ee3c th\u1ec3 hi\u1ec7n b\u1eb1ng <strong>N\/m<\/strong><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u0110\u1ed9 gi\u00e3n d\u00e0i<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0110\u01b0\u1ee3c t\u00ednh nh\u01b0 sau <strong>t\u1ef7 l\u1ec7 ph\u1ea7n tr\u0103m t\u0103ng v\u1ec1 chi\u1ec1u d\u00e0i<\/strong><\/li>\n\n\n\n<li>\u0110o t\u1ea1i \u0111i\u1ec3m \u0111\u1ee9t ho\u1eb7c \u1edf c\u00e1c m\u1ee9c l\u1ef1c quy \u0111\u1ecbnh<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">H\u1ec7 s\u1ed1 \u0111\u00e0n h\u1ed3i k\u00e9o<\/h3>\n\n\n\n<p>Bao g\u1ed3m:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>H\u1ec7 s\u1ed1 ban \u0111\u1ea7u<\/strong> (khu v\u1ef1c tuy\u1ebfn t\u00ednh ban \u0111\u1ea7u)<\/li>\n\n\n\n<li><strong>H\u1ec7 s\u1ed1 l\u1ec7ch<\/strong><\/li>\n\n\n\n<li><strong>H\u1ec7 s\u1ed1 secant<\/strong> (\u1edf c\u00e1c m\u1ee9c \u0111\u1ed9 bi\u1ebfn d\u1ecb c\u1ee5 th\u1ec3 nh\u01b0 2%, 5%, 10%)<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">V\u01b0\u1ee3t qua th\u1eed th\u00e1ch<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0110\u1ea1i di\u1ec7n cho <strong>kh\u1ea3 n\u0103ng h\u1ea5p th\u1ee5 n\u0103ng l\u01b0\u1ee3ng<\/strong><\/li>\n\n\n\n<li>\u0110\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh t\u1eeb <strong>di\u1ec7n t\u00edch d\u01b0\u1edbi \u0111\u01b0\u1eddng cong l\u1ef1c\u2013\u0111\u1ed9 gi\u00e3n<\/strong><\/li>\n<\/ul>\n\n\n\n<p>C\u00e1c th\u00f4ng s\u1ed1 n\u00e0y gi\u00fap hi\u1ec3u r\u00f5 to\u00e0n di\u1ec7n v\u1ec1 t\u00ednh ch\u1ea5t c\u01a1 h\u1ecdc c\u1ee7a v\u1ea3i \u0111\u1ecba k\u1ef9 thu\u1eadt.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">M\u00e1y th\u1eed \u0111\u1ed9 b\u1ec1n k\u00e9o CRE: Thi\u1ebft b\u1ecb ch\u00ednh cho ti\u00eau chu\u1ea9n ASTM D4595<\/h2>\n\n\n\n<p>M\u1ed8T <strong>M\u00e1y th\u1eed \u0111\u1ed9 b\u1ec1n k\u00e9o CRE<\/strong> (T\u1ed1c \u0111\u1ed9 k\u00e9o d\u00e0i kh\u00f4ng \u0111\u1ed5i) l\u00e0 thi\u1ebft b\u1ecb c\u1ea7n thi\u1ebft \u0111\u1ec3 th\u1ef1c hi\u1ec7n ti\u00eau chu\u1ea9n ASTM D4595. Thi\u1ebft b\u1ecb n\u00e0y \u00e1p d\u1ee5ng t\u1ed1c \u0111\u1ed9 k\u00e9o d\u00e0i \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t \u0111\u1ed3ng th\u1eddi li\u00ean t\u1ee5c \u0111o l\u1ef1c v\u00e0 \u0111\u1ed9 d\u1ecbch chuy\u1ec3n.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">C\u00e1c y\u00eau c\u1ea7u k\u1ef9 thu\u1eadt quan tr\u1ecdng \u0111\u1ed1i v\u1edbi m\u00e1y m\u00f3c:<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>T\u1ed1c \u0111\u1ed9 bi\u1ebfn d\u1ea1ng kh\u00f4ng \u0111\u1ed5i:<\/strong> Th\u00f4ng th\u01b0\u1eddng l\u00e0 10 \u00b1 3 %\/ph\u00fat<\/li>\n\n\n\n<li><strong>H\u1ec7 th\u1ed1ng k\u1eb9p r\u1ed9ng:<\/strong> K\u1eb9p to\u00e0n chi\u1ec1u r\u1ed9ng \u0111\u1ec3 tr\u00e1nh tr\u01b0\u1ee3t<\/li>\n\n\n\n<li><strong>\u0110o l\u1ef1c ch\u00ednh x\u00e1c:<\/strong> S\u1ef1 ng\u1eaft x\u1ea3y ra trong kho\u1ea3ng 10\u201390% so v\u1edbi m\u1ee9c \u0111\u1ea7y thang<\/li>\n\n\n\n<li><strong>Thu th\u1eadp d\u1eef li\u1ec7u:<\/strong> \u0110\u01b0\u1eddng cong l\u1ef1c\u2013\u0111\u1ed9 gi\u00e3n d\u00e0i theo th\u1eddi gian th\u1ef1c<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Gi\u1ea3i ph\u00e1p \u0111\u01b0\u1ee3c khuy\u1ebfn ngh\u1ecb: M\u00e1y th\u1eed \u0111\u1ed9 b\u1ec1n k\u00e9o Cell Instruments<\/h3>\n\n\n\n<p>C\u00e1c <strong>Cell Instruments TST-01 M\u00e1y th\u1eed k\u00e9o<\/strong> r\u1ea5t ph\u00f9 h\u1ee3p cho c\u00e1c \u1ee9ng d\u1ee5ng theo ti\u00eau chu\u1ea9n ASTM D4595 nh\u1edd:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u0110\u1ed9 ch\u00ednh x\u00e1c \u0111\u01b0\u1ee3c \u0111i\u1ec1u khi\u1ec3n b\u1eb1ng PLC<\/strong> \u0111\u1ea3m b\u1ea3o qu\u00e1 tr\u00ecnh th\u1ef1c thi th\u1eed nghi\u1ec7m di\u1ec5n ra \u1ed5n \u0111\u1ecbnh<\/li>\n\n\n\n<li><strong>T\u1ed1c \u0111\u1ed9 c\u00f3 th\u1ec3 \u0111i\u1ec1u ch\u1ec9nh (1\u2013500 mm\/ph\u00fat)<\/strong> \u0111\u1ec3 \u0111\u00e1p \u1ee9ng c\u00e1c y\u00eau c\u1ea7u ti\u00eau chu\u1ea9n<\/li>\n\n\n\n<li><strong>\u0110\u1ed9 ch\u00ednh x\u00e1c cao (\u00b10,51% d\u1ea3i \u0111o)<\/strong> \u0111\u1ec3 c\u00f3 d\u1eef li\u1ec7u \u0111\u1ed9 b\u1ec1n k\u00e9o \u0111\u00e1ng tin c\u1eady<\/li>\n\n\n\n<li><strong>Thi\u1ebft b\u1ecb chi\u1ebfu s\u00e1ng c\u00f3 th\u1ec3 t\u00f9y ch\u1ec9nh<\/strong> \u0111\u1ed1i v\u1edbi c\u00e1c m\u1eabu v\u1ea3i \u0111\u1ecba k\u1ef9 thu\u1eadt c\u00f3 chi\u1ec1u r\u1ed9ng l\u1edbn<\/li>\n\n\n\n<li><strong>Hi\u1ec3n th\u1ecb \u0111\u1ed3 th\u1ecb theo th\u1eddi gian th\u1ef1c<\/strong> \u0111\u1ec3 ph\u00e2n t\u00edch m\u00f4-\u0111un v\u00e0 \u0111\u1ed9 b\u1ec1n<\/li>\n<\/ul>\n\n\n\n<p>V\u1edbi k\u1ebft c\u1ea5u ch\u1eafc ch\u1eafn v\u00e0 kh\u1ea3 n\u0103ng t\u00f9y ch\u1ec9nh linh ho\u1ea1t, thi\u1ebft b\u1ecb n\u00e0y l\u00e0 l\u1ef1a ch\u1ecdn l\u00fd t\u01b0\u1edfng cho c\u00e1c ph\u00f2ng th\u00ed nghi\u1ec7m x\u1eed l\u00fd c\u00e1c lo\u1ea1i v\u1eadt li\u1ec7u \u0111\u1ecba k\u1ef9 thu\u1eadt \u0111a d\u1ea1ng.<\/p>\n\n\n\n<p class=\"has-text-align-center\">\u0110\u1ea3m b\u1ea3o \u0111\u00e1nh gi\u00e1 ch\u00ednh x\u00e1c hi\u1ec7u su\u1ea5t c\u1ee7a v\u1ea3i \u0111\u1ecba k\u1ef9 thu\u1eadt b\u1eb1ng c\u00e1ch <strong>Th\u1eed nghi\u1ec7m \u0111\u1ed9 b\u1ec1n k\u00e9o tr\u00ean m\u1eabu r\u1ed9ng theo ti\u00eau chu\u1ea9n ASTM D4595<\/strong>. S\u1eed d\u1ee5ng m\u1ed9t <strong><a href=\"https:\/\/www.packqc.com\/vi\/products\/sale-packaging-tensile-strength-tester-film\/\">M\u00e1y th\u1eed \u0111\u1ed9 b\u1ec1n k\u00e9o CRE<\/a><\/strong> Gi\u1ed1ng nh\u01b0 thi\u1ebft b\u1ecb Cell Instruments TST-01, b\u1ea1n c\u00f3 th\u1ec3 thu \u0111\u01b0\u1ee3c d\u1eef li\u1ec7u ch\u00ednh x\u00e1c v\u1ec1 \u0111\u1ed9 b\u1ec1n k\u00e9o, \u0111\u1ed9 gi\u00e3n d\u00e0i v\u00e0 m\u00f4-\u0111un \u0111\u00e0n h\u1ed3i \u0111\u1ec3 ph\u1ee5c v\u1ee5 cho c\u00f4ng t\u00e1c thi\u1ebft k\u1ebf v\u00e0 ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng. N\u00e2ng c\u1ea5p kh\u1ea3 n\u0103ng th\u1eed nghi\u1ec7m c\u1ee7a b\u1ea1n v\u1edbi c\u00e1c thi\u1ebft b\u1ecb \u0111o l\u01b0\u1eddng ti\u00ean ti\u1ebfn \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf ri\u00eang cho c\u00e1c \u1ee9ng d\u1ee5ng v\u1ea3i \u0111\u1ecba k\u1ef9 thu\u1eadt v\u00e0 \u0111\u1ea1t \u0111\u01b0\u1ee3c k\u1ebft qu\u1ea3 nh\u1ea5t qu\u00e1n, tu\u00e2n th\u1ee7 c\u00e1c ti\u00eau chu\u1ea9n.<\/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 D4595 ch\u1ee7 y\u1ebfu \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 l\u00e0m g\u00ec?<br><\/strong>Thi\u1ebft b\u1ecb n\u00e0y \u0111o \u0111\u1ed9 b\u1ec1n k\u00e9o v\u00e0 \u0111\u1ed9 gi\u00e3n d\u00e0i c\u1ee7a v\u1ea3i \u0111\u1ecba k\u1ef9 thu\u1eadt b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p \u0111o tr\u00ean b\u1ec1 m\u1eb7t r\u1ed9ng \u0111\u1ec3 m\u00f4 ph\u1ecfng ch\u00ednh x\u00e1c \u0111i\u1ec1u ki\u1ec7n th\u1ef1c \u0111\u1ecba.<\/p>\n\n\n\n<p><strong>2. T\u1ea1i sao ph\u01b0\u01a1ng ph\u00e1p th\u1eed nghi\u1ec7m b\u1ec1 r\u1ed9ng l\u1ea1i \u0111\u01b0\u1ee3c \u01b0a chu\u1ed9ng h\u01a1n ph\u01b0\u01a1ng ph\u00e1p th\u1eed nghi\u1ec7m d\u1ea3i?<br><\/strong>B\u1edfi v\u00ec n\u00f3 gi\u00fap gi\u1ea3m thi\u1ec3u c\u00e1c hi\u1ec7u \u1ee9ng bi\u00ean v\u00e0 mang l\u1ea1i k\u1ebft qu\u1ea3 g\u1ea7n v\u1edbi \u0111i\u1ec1u ki\u1ec7n k\u1ef9 thu\u1eadt th\u1ef1c t\u1ebf h\u01a1n.<\/p>\n\n\n\n<p><strong>3. Lo\u1ea1i m\u00e1y n\u00e0o \u0111\u01b0\u1ee3c y\u00eau c\u1ea7u cho ti\u00eau chu\u1ea9n ASTM D4595?<br><\/strong>M\u1ed8T <strong>M\u00e1y th\u1eed \u0111\u1ed9 b\u1ec1n k\u00e9o CRE<\/strong> v\u1edbi t\u1ed1c \u0111\u1ed9 k\u00e9o d\u00e0i \u0111\u01b0\u1ee3c \u0111i\u1ec1u ch\u1ec9nh v\u00e0 kh\u1ea3 n\u0103ng k\u1eb9p to\u00e0n chi\u1ec1u r\u1ed9ng.<\/p>\n\n\n\n<p><strong>4. V\u1ea3i \u0111\u1ecba k\u1ef9 thu\u1eadt \u01b0\u1edbt c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c th\u1eed nghi\u1ec7m trong \u0111i\u1ec1u ki\u1ec7n <a href=\"https:\/\/store.astm.org\/d4595_d4595m-24.html\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">ASTM D4595<\/a>?<br><\/strong>\u0110\u00fang v\u1eady, ti\u00eau chu\u1ea9n n\u00e0y bao g\u1ed3m c\u00e1c quy tr\u00ecnh \u0111\u1ed1i v\u1edbi c\u1ea3 m\u1eabu \u0111\u00e3 \u0111\u01b0\u1ee3c x\u1eed l\u00fd v\u00e0 m\u1eabu \u01b0\u1edbt.<\/p>\n\n\n\n<p><strong>5. Nguy\u00ean nh\u00e2n g\u00e2y g\u00e3y h\u00e0m l\u00e0 g\u00ec v\u00e0 l\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 ph\u00f2ng ng\u1eeba?<br><\/strong>Ch\u1ea5n th\u01b0\u01a1ng h\u00e0m th\u01b0\u1eddng do k\u1eb9p kh\u00f4ng \u0111\u00fang c\u00e1ch g\u00e2y ra. Vi\u1ec7c \u0111i\u1ec1u ch\u1ec9nh b\u1ec1 m\u1eb7t k\u1eb9p ho\u1eb7c l\u1edbp \u0111\u1ec7m c\u00f3 th\u1ec3 gi\u00fap ng\u0103n ng\u1eeba t\u00ecnh tr\u1ea1ng n\u00e0y.<\/p>","protected":false},"featured_media":10156,"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-10155","standard","type-standard","status-publish","has-post-thumbnail","hentry"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.packqc.com\/vi\/wp-json\/wp\/v2\/standard\/10155","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\/10156"}],"wp:attachment":[{"href":"https:\/\/www.packqc.com\/vi\/wp-json\/wp\/v2\/media?parent=10155"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}