{"id":10317,"date":"2026-05-12T13:50:26","date_gmt":"2026-05-12T05:50:26","guid":{"rendered":"https:\/\/www.packqc.com\/?post_type=standard&#038;p=10317"},"modified":"2026-05-12T13:50:27","modified_gmt":"2026-05-12T05:50:27","slug":"astm-f1921","status":"publish","type":"standard","link":"https:\/\/www.packqc.com\/vi\/standard\/astm-f1921\/","title":{"rendered":"Ti\u00eau chu\u1ea9n ASTM F1921"},"content":{"rendered":"<h2 class=\"wp-block-heading\">Ti\u00eau chu\u1ea9n ASTM F1921 l\u00e0 g\u00ec v\u00e0 t\u1ea1i sao n\u00f3 l\u1ea1i quan tr\u1ecdng<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Ti\u00eau chu\u1ea9n ASTM F1921<\/strong> quy \u0111\u1ecbnh c\u00e1c quy tr\u00ecnh ti\u00eau chu\u1ea9n \u0111\u1ec3 \u0111o l\u01b0\u1eddng <strong>\u0110\u1ed9 b\u00e1m d\u00ednh n\u00f3ng c\u1ee7a v\u1eadt li\u1ec7u nhi\u1ec7t d\u1ebbo<\/strong> ngay sau khi h\u00e0n nhi\u1ec7t v\u00e0 tr\u01b0\u1edbc khi l\u00e0m m\u00e1t. Th\u00f4ng s\u1ed1 n\u00e0y c\u00f3 vai tr\u00f2 quy\u1ebft \u0111\u1ecbnh trong c\u00e1c m\u00f4i tr\u01b0\u1eddng \u0111\u00f3ng g\u00f3i t\u1ed1c \u0111\u1ed9 cao, \u0111\u1eb7c bi\u1ec7t l\u00e0 <strong>\u0111\u00f3ng g\u00f3i d\u1ea1ng \u0111i\u1ec1n-\u0111\u00f3ng-ni\u00eam phong (FFS)<\/strong> c\u00e1c quy tr\u00ecnh, trong \u0111\u00f3 c\u00e1c v\u00f2ng \u0111\u1ec7m ph\u1ea3i ch\u1ecbu \u0111\u01b0\u1ee3c \u00e1p l\u1ef1c khi v\u1eabn c\u00f2n n\u00f3ng.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Kh\u00e1c v\u1edbi c\u00e1c ph\u01b0\u01a1ng ph\u00e1p th\u1eed \u0111\u1ed9 b\u1ec1n ni\u00eam phong th\u00f4ng th\u01b0\u1eddng, ti\u00eau chu\u1ea9n ASTM F1921 \u0111\u00e1nh gi\u00e1 <strong>\u0110\u1ea3m b\u1ea3o t\u00ednh to\u00e0n v\u1eb9n c\u1ee7a l\u1edbp ni\u00eam phong trong \u0111i\u1ec1u ki\u1ec7n s\u1ea3n xu\u1ea5t th\u1ef1c t\u1ebf<\/strong>, gi\u00fap c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t tr\u00e1nh \u0111\u01b0\u1ee3c t\u00ecnh tr\u1ea1ng h\u1ecfng gio\u0103ng, r\u00f2 r\u1ec9 v\u00e0 th\u1ea5t tho\u00e1t s\u1ea3n ph\u1ea9m.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Gi\u00e1 tr\u1ecb ch\u00ednh:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>M\u00f4 ph\u1ecfng c\u00e1c \u0111i\u1ec1u ki\u1ec7n \u0111\u00f3ng g\u00f3i th\u1ef1c t\u1ebf<\/li>\n\n\n\n<li>\u0110\u00e1nh gi\u00e1 hi\u1ec7u su\u1ea5t c\u1ee7a ph\u1edbt trong giai \u0111o\u1ea1n l\u00e0m m\u00e1t quan tr\u1ecdng<\/li>\n\n\n\n<li>H\u1ed7 tr\u1ee3 vi\u1ec7c l\u1ef1a ch\u1ecdn v\u1eadt li\u1ec7u v\u00e0 t\u1ed1i \u01b0u h\u00f3a quy tr\u00ecnh<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Th\u1eed nghi\u1ec7m \u0111\u1ed9 b\u00e1m d\u00ednh n\u00f3ng: Nguy\u00ean l\u00fd v\u00e0 \u00fd ngh\u0129a trong c\u00f4ng nghi\u1ec7p<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c <strong>Th\u1eed nghi\u1ec7m \u0111\u1ed9 b\u00e1m d\u00ednh n\u00f3ng<\/strong> \u0111o l\u1ef1c c\u1ea7n thi\u1ebft \u0111\u1ec3 t\u00e1ch hai b\u1ec1 m\u1eb7t nh\u1ef1a nhi\u1ec7t d\u1ebbo \u0111\u00e3 \u0111\u01b0\u1ee3c h\u00e0n k\u00edn ngay sau khi h\u00e0n. Trong qu\u00e1 tr\u00ecnh th\u1eed nghi\u1ec7m:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Hai d\u1ea3i phim \u0111\u01b0\u1ee3c ni\u00eam phong trong \u0111i\u1ec1u ki\u1ec7n \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t <strong>nhi\u1ec7t \u0111\u1ed9, \u00e1p su\u1ea5t v\u00e0 th\u1eddi gian gi\u1eef<\/strong><\/li>\n\n\n\n<li>Con d\u1ea5u \u0111\u01b0\u1ee3c k\u00e9o ra v\u1edbi t\u1ed1c \u0111\u1ed9 \u0111\u00e3 \u0111\u1ecbnh<\/li>\n\n\n\n<li>C\u00e1c <strong>l\u1ef1c t\u1ed1i \u0111a trong qu\u00e1 tr\u00ecnh t\u00e1ch<\/strong> \u0111\u01b0\u1ee3c ghi nh\u1eadn l\u00e0 \u0111\u1ed9 b\u00e1m d\u00ednh ban \u0111\u1ea7u<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>T\u1ea1i sao \u0111i\u1ec1u n\u00e0y l\u1ea1i quan tr\u1ecdng \u0111\u1ed1i v\u1edbi m\u00e0ng bao b\u00ec:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Ng\u0103n ng\u1eeba hi\u1ec7n t\u01b0\u1ee3ng r\u00f2 r\u1ec9 trong qu\u00e1 tr\u00ecnh chi\u1ebft r\u00f3t v\u00e0 v\u1eadn chuy\u1ec3n<\/li>\n\n\n\n<li>\u0110\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng ni\u00eam phong \u1ed5n \u0111\u1ecbnh tr\u00ean c\u00e1c d\u00e2y chuy\u1ec1n s\u1ea3n xu\u1ea5t t\u1ed1c \u0111\u1ed9 cao<\/li>\n\n\n\n<li>H\u1ed7 tr\u1ee3 t\u1ed1i \u01b0u h\u00f3a c\u00e1c th\u00f4ng s\u1ed1 l\u00e0m k\u00edn<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p nh\u01b0 th\u1ef1c ph\u1ea9m, d\u01b0\u1ee3c ph\u1ea9m v\u00e0 bao b\u00ec y t\u1ebf ph\u1ee5 thu\u1ed9c r\u1ea5t nhi\u1ec1u v\u00e0o vi\u1ec7c \u0111\u00e1nh gi\u00e1 \u0111\u1ed9 b\u00e1m d\u00ednh khi n\u00f3ng m\u1ed9t c\u00e1ch ch\u00ednh x\u00e1c \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o an to\u00e0n s\u1ea3n ph\u1ea9m v\u00e0 tu\u00e2n th\u1ee7 c\u00e1c quy \u0111\u1ecbnh.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Ph\u01b0\u01a1ng ph\u00e1p th\u1eed \u0111\u1ed9 b\u00e1m d\u00ednh n\u00f3ng cho m\u00e0ng bao b\u00ec<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Ti\u00eau chu\u1ea9n ASTM F1921 quy \u0111\u1ecbnh <strong>hai ph\u01b0\u01a1ng ph\u00e1p th\u1eed nghi\u1ec7m ri\u00eang bi\u1ec7t<\/strong>, m\u1ed7i ph\u01b0\u01a1ng ph\u00e1p \u0111\u1ec1u ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c m\u1ee5c ti\u00eau ph\u00e2n t\u00edch kh\u00e1c nhau:<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Ph\u01b0\u01a1ng ph\u00e1p A (\u0110\u1ed9 tr\u1ec5 c\u1ed1 \u0111\u1ecbnh)<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0110o \u0111\u1ed9 b\u00e1m d\u00ednh n\u00f3ng t\u1ea1i <strong>th\u1eddi gian l\u00e0m m\u00e1t c\u1ee5 th\u1ec3<\/strong><\/li>\n\n\n\n<li>T\u1ea1o ra m\u1ed9t <strong>\u0110\u01b0\u1eddng cong gi\u1ea3m d\u1ea7n c\u1ee7a \u0111\u1ed9 b\u00e1m d\u00ednh theo th\u1eddi gian<\/strong><\/li>\n\n\n\n<li>T\u1ef7 l\u1ec7 t\u00e1ch th\u00f4ng th\u01b0\u1eddng: <strong>200 mm\/ph\u00fat<\/strong><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Ph\u00f9 h\u1ee3p nh\u1ea5t cho:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Nghi\u00ean c\u1ee9u s\u1ef1 ti\u1ebfn h\u00f3a c\u1ee7a s\u1ee9c m\u1ea1nh con h\u1ea3i c\u1ea9u<\/li>\n\n\n\n<li>So s\u00e1nh h\u00e0nh vi l\u00e0m m\u00e1t c\u1ee7a v\u1eadt li\u1ec7u<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Ph\u01b0\u01a1ng ph\u00e1p B (\u0110\u1ed9 tr\u1ec5 thay \u0111\u1ed5i)<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>C\u00e1c bi\u1ec7n ph\u00e1p <strong>l\u1ef1c t\u1ed1i \u0111a sau m\u1ed9t kho\u1ea3ng th\u1eddi gian nh\u1ea5t \u0111\u1ecbnh<\/strong><\/li>\n\n\n\n<li>T\u1eadp trung v\u00e0o vi\u1ec7c \u0111\u1ea1t \u0111\u01b0\u1ee3c hi\u1ec7u su\u1ea5t cao nh\u1ea5t t\u1ea1i m\u1ed9t th\u1eddi \u0111i\u1ec3m c\u1ee5 th\u1ec3<\/li>\n\n\n\n<li>Ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c h\u1ec7 th\u1ed1ng th\u1eed nghi\u1ec7m t\u1ed1c \u0111\u1ed9 cao<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Ph\u00f9 h\u1ee3p nh\u1ea5t cho:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng nhanh ch\u00f3ng<\/li>\n\n\n\n<li>M\u00f4 ph\u1ecfng d\u00e2y chuy\u1ec1n s\u1ea3n xu\u1ea5t<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">C\u00e1ch \u0111o \u0111\u1ed9 b\u00e1m d\u00ednh t\u1ee9c th\u00ec<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ec3 x\u00e1c \u0111\u1ecbnh ch\u00ednh x\u00e1c \u0111\u1ed9 b\u00e1m d\u00ednh n\u00f3ng theo ti\u00eau chu\u1ea9n ASTM F1921, h\u00e3y th\u1ef1c hi\u1ec7n theo c\u00e1c b\u01b0\u1edbc c\u1ee5 th\u1ec3 sau:<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">1. C\u00e0i \u0111\u1eb7t c\u00e1c th\u00f4ng s\u1ed1 h\u00e0n k\u00edn<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Nhi\u1ec7t \u0111\u1ed9:<\/strong> C\u00e1c b\u01b0\u1edbc t\u0103ng d\u1ea7n (th\u01b0\u1eddng l\u00e0 5\u201310\u00b0C)<\/li>\n\n\n\n<li><strong>\u00c1p l\u1ef1c:<\/strong> 15\u201330 N\/cm\u00b2<\/li>\n\n\n\n<li><strong>Th\u1eddi gian l\u01b0u l\u1ea1i:<\/strong>\n<ul class=\"wp-block-list\">\n<li>M\u00e0ng c\u00f3 \u0111\u1ed9 d\u00e0y \u226425 \u03bcm: 0,5 gi\u00e2y<\/li>\n\n\n\n<li>M\u00e0ng c\u00f3 \u0111\u1ed9 d\u00e0y 25\u201364 \u03bcm: 1,0 gi\u00e2y<\/li>\n\n\n\n<li>M\u00e0ng 64 \u03bcm: 2,5 gi\u00e2y<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">2. Chu\u1ea9n b\u1ecb m\u1eabu<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>S\u1eed d\u1ee5ng c\u00e1c d\u1ea3i phim c\u00f3 k\u00edch th\u01b0\u1edbc \u0111\u1ed3ng nh\u1ea5t<\/li>\n\n\n\n<li>\u0110\u1ea3m b\u1ea3o s\u1ef1 c\u0103n ch\u1ec9nh ch\u00ednh x\u00e1c v\u00e0 h\u01b0\u1edbng c\u1ee7a b\u1ec1 m\u1eb7t ti\u1ebfp x\u00fac<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">3. Th\u1ef1c hi\u1ec7n chu tr\u00ecnh ki\u1ec3m th\u1eed<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Thi\u1ebft b\u1ecb t\u1ef1 \u0111\u1ed9ng th\u1ef1c hi\u1ec7n:\n<ul class=\"wp-block-list\">\n<li>Ni\u00eam phong<\/li>\n\n\n\n<li>S\u1ef1 ch\u1eadm tr\u1ec5<\/li>\n\n\n\n<li>S\u1ef1 t\u00e1ch r\u1eddi c\u1ee7a tay c\u1ea7m<\/li>\n\n\n\n<li>\u0110o l\u1ef1c<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">4. Thu th\u1eadp v\u00e0 ph\u00e2n t\u00edch d\u1eef li\u1ec7u<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Ch\u1ee5p <strong>l\u1ef1c t\u1ed1i \u0111a ho\u1eb7c l\u1ef1c ph\u1ee5 thu\u1ed9c v\u00e0o th\u1eddi gian<\/strong><\/li>\n\n\n\n<li>C\u1ed1t truy\u1ec7n <strong>\u0110\u01b0\u1eddng cong \u0111\u1ed9 b\u00e1m d\u00ednh n\u00f3ng so v\u1edbi nhi\u1ec7t \u0111\u1ed9<\/strong><\/li>\n\n\n\n<li>\u0110\u00e1nh gi\u00e1 <strong>C\u00e1c ch\u1ebf \u0111\u1ed9 h\u1ecfng h\u00f3c<\/strong>, bao g\u1ed3m:\n<ul class=\"wp-block-list\">\n<li>S\u1ef1 c\u1ed1 v\u1ec1 \u0111\u1ed9 b\u00e1m d\u00ednh<\/li>\n\n\n\n<li>S\u1ef1 ph\u00e1 v\u1ee1 li\u00ean k\u1ebft<\/li>\n\n\n\n<li>T\u00e1ch l\u1edbp<\/li>\n\n\n\n<li>S\u1ef1 c\u1ed1 v\u1eadt li\u1ec7u<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">5. L\u1eb7p l\u1ea1i v\u00e0 x\u00e1c minh<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Th\u1ef1c hi\u1ec7n \u00edt nh\u1ea5t <strong>ba l\u1ea7n l\u1eb7p l\u1ea1i<\/strong><\/li>\n\n\n\n<li>T\u00ednh trung b\u00ecnh v\u00e0 \u0111\u1ed9 l\u1ec7ch chu\u1ea9n<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">M\u00e1y ki\u1ec3m tra \u0111\u1ed9 b\u00e1m d\u00ednh n\u00f3ng: Thi\u1ebft b\u1ecb v\u00e0 ti\u00eau ch\u00ed l\u1ef1a ch\u1ecdn<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1ed9t c\u00e1ch \u0111\u00e1ng tin c\u1eady <strong>M\u00e1y th\u1eed \u0111\u1ed9 b\u00e1m d\u00ednh n\u00f3ng<\/strong> l\u00e0 y\u1ebfu t\u1ed1 thi\u1ebft y\u1ebfu \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 ch\u00ednh x\u00e1c trong th\u1eed nghi\u1ec7m theo ti\u00eau chu\u1ea9n ASTM F1921. C\u00e1c h\u1ec7 th\u1ed1ng ti\u00ean ti\u1ebfn cung c\u1ea5p:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Ki\u1ec3m so\u00e1t nhi\u1ec7t \u0111\u1ed9 ch\u00ednh x\u00e1c (h\u1ec7 th\u1ed1ng PID)<\/strong><\/li>\n\n\n\n<li><strong>Th\u1eddi gian gi\u1eef v\u00e0 \u00e1p su\u1ea5t c\u00f3 th\u1ec3 l\u1eadp tr\u00ecnh<\/strong><\/li>\n\n\n\n<li><strong>C\u00e1c chu tr\u00ecnh ki\u1ec3m th\u1eed t\u1ef1 \u0111\u1ed9ng<\/strong><\/li>\n\n\n\n<li><strong>\u0110o l\u1ef1c \u0111\u1ed9 ph\u00e2n gi\u1ea3i cao<\/strong><\/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 ki\u1ec3m tra \u0111\u1ed9 b\u00e1m d\u00ednh n\u00f3ng Cell Instruments<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/www.packqc.com\/vi\/\" target=\"_blank\" rel=\"noreferrer noopener\">D\u1ee5ng c\u1ee5 t\u1ebf b\u00e0o<\/a> cung c\u1ea5p c\u00e1c gi\u1ea3i ph\u00e1p chuy\u00ean bi\u1ec7t \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 \u0111\u00e1p \u1ee9ng ti\u00eau chu\u1ea9n ASTM F1921:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong><a href=\"https:\/\/www.packqc.com\/vi\/products\/sale-astm-f1921-hot-tack-tester-plastic-film\/\" target=\"_blank\" rel=\"noreferrer noopener\">M\u00e1y ki\u1ec3m tra \u0111\u1ed9 b\u00e1m d\u00ednh n\u00f3ng HTT-02<\/a><\/strong> <strong>\u01afu \u0111i\u1ec3m:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>H\u1ed7 tr\u1ee3 <strong>Ph\u01b0\u01a1ng ph\u00e1p A v\u00e0 Ph\u01b0\u01a1ng ph\u00e1p B<\/strong><\/li>\n\n\n\n<li>Th\u1eed nghi\u1ec7m t\u1ed1c \u0111\u1ed9 cao l\u00ean \u0111\u1ebfn <strong>12.000 mm\/ph\u00fat<\/strong><\/li>\n\n\n\n<li>Ki\u1ec3m so\u00e1t nhi\u1ec7t \u0111\u1ed9 ch\u00ednh x\u00e1c (\u00b10,2\u00b0C)<\/li>\n\n\n\n<li>T\u1ef1 \u0111\u1ed9ng h\u00f3a d\u1ef1a tr\u00ean PLC nh\u1eb1m \u0111\u1ea3m b\u1ea3o t\u00ednh l\u1eb7p l\u1ea1i<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong><a href=\"https:\/\/www.packqc.com\/vi\/products\/htt-01-hot-tack-tester\/\" target=\"_blank\" rel=\"noreferrer noopener\">M\u00e1y ki\u1ec3m tra \u0111\u1ed9 b\u00e1m d\u00ednh n\u00f3ng HTT-01<\/a><\/strong> <strong>\u0110i\u1ec3m n\u1ed5i b\u1eadt:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0110a ch\u1ee9c n\u0103ng: d\u00ednh n\u00f3ng, h\u00e0n nhi\u1ec7t, b\u00f3c t\u00e1ch, ch\u1ecbu l\u1ef1c k\u00e9o<\/li>\n\n\n\n<li>D\u1ea3i t\u1ed1c \u0111\u1ed9 linh ho\u1ea1t cho c\u00e1c \u1ee9ng d\u1ee5ng nghi\u00ean c\u1ee9u v\u00e0 ph\u00e1t tri\u1ec3n<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>G\u00f3c nh\u00ecn k\u1ef9 thu\u1eadt:<\/strong><br>Vi\u1ec7c l\u1ef1a ch\u1ecdn ng\u01b0\u1eddi ki\u1ec3m th\u1eed ph\u00f9 h\u1ee3p ph\u1ee5 thu\u1ed9c v\u00e0o vi\u1ec7c \u01b0u ti\u00ean c\u1ee7a b\u1ea1n l\u00e0 <strong>M\u00f4 ph\u1ecfng quy tr\u00ecnh (HTT-02)<\/strong> ho\u1eb7c <strong>T\u00ednh linh ho\u1ea1t trong th\u1eed nghi\u1ec7m \u0111a n\u0103ng (HTT-01)<\/strong>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">C\u00e1c y\u1ebfu t\u1ed1 ch\u00ednh \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn k\u1ebft qu\u1ea3 c\u1ee7a ti\u00eau chu\u1ea9n ASTM F1921<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Vi\u1ec7c hi\u1ec3u r\u00f5 c\u00e1c bi\u1ebfn s\u1ed1 gi\u00fap n\u00e2ng cao \u0111\u1ed9 tin c\u1eady c\u1ee7a b\u00e0i ki\u1ec3m tra v\u00e0 vi\u1ec7c ph\u00e2n t\u00edch d\u1eef li\u1ec7u:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Nhi\u1ec7t \u0111\u1ed9 h\u00e0n k\u00edn:<\/strong> X\u00e1c \u0111\u1ecbnh th\u1eddi \u0111i\u1ec3m b\u1eaft \u0111\u1ea7u v\u00e0 \u0111\u1ed9 b\u1ec1n c\u1ee7a l\u1edbp ni\u00eam phong<\/li>\n\n\n\n<li><strong>Th\u1eddi gian l\u00e0m l\u1ea1nh:<\/strong> Ph\u00e2n t\u00edch c\u00e1c y\u1ebfu t\u1ed1 quan tr\u1ecdng trong Ph\u01b0\u01a1ng ph\u00e1p A<\/li>\n\n\n\n<li><strong>C\u1ea5u tr\u00fac v\u1eadt li\u1ec7u:<\/strong> C\u00e1c m\u00e0ng nhi\u1ec1u l\u1edbp c\u00f3 h\u00e0nh vi kh\u00e1c nhau<\/li>\n\n\n\n<li><strong>Ch\u1ebf \u0111\u1ed9 h\u1ecfng h\u00f3c:<\/strong> Cho th\u1ea5y c\u00f3 v\u1ea5n \u0111\u1ec1 v\u1ec1 c\u01a1 ch\u1ebf li\u00ean k\u1ebft<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Nh\u1eadn \u0111\u1ecbnh:<\/strong><br>M\u1ed9t b\u1ed9 \u0111\u1ea7y \u0111\u1ee7 <strong>\u0111\u01b0\u1eddng cong \u0111\u1ed9 b\u00e1m n\u00f3ng<\/strong> cung c\u1ea5p nh\u1eefng th\u00f4ng tin chi ti\u1ebft c\u00f3 gi\u00e1 tr\u1ecb th\u1ef1c ti\u1ec5n h\u01a1n so v\u1edbi vi\u1ec7c ch\u1ec9 \u0111o l\u01b0\u1eddng t\u1ea1i m\u1ed9t \u0111i\u1ec3m duy nh\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 class=\"wp-block-paragraph\"><strong>1. S\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa \u0111\u1ed9 b\u00e1m d\u00ednh t\u1ee9c th\u1eddi v\u00e0 \u0111\u1ed9 b\u1ec1n m\u1ed1i h\u00e0n l\u00e0 g\u00ec?<\/strong><br>Ph\u01b0\u01a1ng ph\u00e1p \u0111o \u0111\u1ed9 b\u00e1m d\u00ednh n\u00f3ng \u0111\u00e1nh gi\u00e1 \u0111\u1ed9 b\u00e1m d\u00ednh ngay sau khi h\u00e0n, trong khi ph\u01b0\u01a1ng ph\u00e1p \u0111o \u0111\u1ed9 b\u00e1m d\u00ednh th\u00f4ng th\u01b0\u1eddng \u0111\u00e1nh gi\u00e1 \u0111\u1ed9 b\u00e1m d\u00ednh sau khi ngu\u1ed9i xu\u1ed1ng nhi\u1ec7t \u0111\u1ed9 m\u00f4i tr\u01b0\u1eddng.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>2. T\u1ea1i sao ti\u00eau chu\u1ea9n ASTM F1921 l\u1ea1i quan tr\u1ecdng \u0111\u1ed1i v\u1edbi bao b\u00ec FFS?<\/strong><br>Do c\u00e1c mi\u1ebfng \u0111\u1ec7m ph\u1ea3i ch\u1ecbu \u00e1p l\u1ef1c tr\u01b0\u1edbc khi l\u00e0m l\u1ea1nh, v\u00e0 \u0111\u1ed9 b\u00e1m d\u00ednh khi n\u00f3ng k\u00e9m c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn h\u1ecfng h\u00f3c trong qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>3. T\u00f4i n\u00ean ch\u1ecdn ph\u01b0\u01a1ng ph\u00e1p A hay ph\u01b0\u01a1ng ph\u00e1p B?<\/strong><br>S\u1eed d\u1ee5ng Ph\u01b0\u01a1ng ph\u00e1p A \u0111\u1ec3 ph\u00e2n t\u00edch chi ti\u1ebft v\u00e0 Ph\u01b0\u01a1ng ph\u00e1p B \u0111\u1ec3 ki\u1ec3m tra ch\u1ea5t l\u01b0\u1ee3ng nhanh ch\u00f3ng.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>4. \u0110\u01b0\u1eddng cong nhi\u1ec7t \u0111\u1ed9 n\u00f3ng \u0111i\u1ec3n h\u00ecnh l\u00e0 g\u00ec?<\/strong><br>Bi\u1ec3u \u0111\u1ed3 n\u00e0y th\u1ec3 hi\u1ec7n m\u1ed1i quan h\u1ec7 gi\u1eefa \u0111\u1ed9 b\u1ec1n c\u1ee7a m\u1ed1i h\u00e0n v\u00e0 nhi\u1ec7t \u0111\u1ed9 ho\u1eb7c th\u1eddi gian, gi\u00fap x\u00e1c \u0111\u1ecbnh c\u00e1c \u0111i\u1ec1u ki\u1ec7n h\u00e0n t\u1ed1i \u01b0u.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>5. C\u00f3 th\u1ec3 ki\u1ec3m tra m\u00e0ng nhi\u1ec1u l\u1edbp b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng <a href=\"https:\/\/store.astm.org\/f1921_f1921m-12r23.html\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">Ti\u00eau chu\u1ea9n ASTM F1921<\/a>?<\/strong><br>\u0110\u00fang v\u1eady, ph\u01b0\u01a1ng ph\u00e1p n\u00e0y \u00e1p d\u1ee5ng cho c\u1ea3 c\u1ea5u tr\u00fac nh\u1ef1a nhi\u1ec7t d\u1ebbo m\u1ed9t l\u1edbp v\u00e0 nhi\u1ec1u l\u1edbp.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>","protected":false},"excerpt":{"rendered":"<p>Ti\u00eau chu\u1ea9n ASTM F1921 quy \u0111\u1ecbnh c\u00e1c ph\u01b0\u01a1ng ph\u00e1p ti\u00eau chu\u1ea9n \u0111\u1ec3 \u0111o \u0111\u1ed9 b\u00e1m d\u00ednh t\u1ee9c th\u1eddi c\u1ee7a v\u1eadt li\u1ec7u nhi\u1ec7t d\u1ebbo ngay sau khi h\u00e0n k\u00edn. Ti\u00eau chu\u1ea9n n\u00e0y \u0111\u01b0a ra hai ph\u01b0\u01a1ng ph\u00e1p\u2014Ph\u01b0\u01a1ng ph\u00e1p A d\u00e0nh cho ph\u00e2n t\u00edch theo th\u1eddi gian v\u00e0 Ph\u01b0\u01a1ng ph\u00e1p B d\u00e0nh cho \u0111o l\u1ef1c c\u1ef1c \u0111\u1ea1i\u2014gi\u00fap \u0111\u00e1nh gi\u00e1 ch\u00ednh x\u00e1c hi\u1ec7u su\u1ea5t h\u00e0n k\u00edn trong giai \u0111o\u1ea1n l\u00e0m m\u00e1t quan tr\u1ecdng.<\/p>","protected":false},"featured_media":10318,"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":"disabled","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":""}}},"standard-category":[611],"class_list":["post-10317","standard","type-standard","status-publish","has-post-thumbnail","hentry","standard-category-astm"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.packqc.com\/vi\/wp-json\/wp\/v2\/standard\/10317","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\/10318"}],"wp:attachment":[{"href":"https:\/\/www.packqc.com\/vi\/wp-json\/wp\/v2\/media?parent=10317"}],"wp:term":[{"taxonomy":"standard-category","embeddable":true,"href":"https:\/\/www.packqc.com\/vi\/wp-json\/wp\/v2\/standard-category?post=10317"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}