{"id":9869,"date":"2026-02-24T15:11:46","date_gmt":"2026-02-24T07:11:46","guid":{"rendered":"https:\/\/www.packqc.com\/standard\/astm-d2261\/"},"modified":"2026-04-16T09:53:05","modified_gmt":"2026-04-16T01:53:05","slug":"astm-d2261","status":"publish","type":"standard","link":"https:\/\/www.packqc.com\/vi\/standard\/astm-d2261\/","title":{"rendered":"Ti\u00eau chu\u1ea9n ASTM D2261"},"content":{"rendered":"<h2 class=\"wp-block-heading\">\u0110\u1ed9 b\u1ec1n k\u00e9o c\u1ee7a l\u01b0\u1ee1i: \u0110\u1ea3m b\u1ea3o \u0111\u1ed9 b\u1ec1n c\u1ee7a v\u1ea3i<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong data-start=\"1009\" data-end=\"1036\">\u0110\u1ed9 b\u1ec1n k\u00e9o c\u1ee7a l\u01b0\u1ee1i<\/strong> l\u00e0 m\u1ed9t \u0111\u1eb7c t\u00ednh quan tr\u1ecdng trong vi\u1ec7c x\u00e1c \u0111\u1ecbnh kh\u1ea3 n\u0103ng ch\u1ed1ng r\u00e1ch c\u1ee7a v\u1ea3i khi ch\u1ecbu t\u00e1c \u0111\u1ed9ng c\u1ee7a c\u00e1c l\u1ef1c b\u00ean ngo\u00e0i. <strong data-start=\"1151\" data-end=\"1170\">Th\u1eed nghi\u1ec7m ASTM D2261<\/strong> s\u1eed d\u1ee5ng <strong data-start=\"1180\" data-end=\"1203\">m\u1ed9t \u0111\u01b0\u1eddng c\u1eaft (l\u01b0\u1ee1i)<\/strong> Quy tr\u00ecnh n\u00e0y bao g\u1ed3m vi\u1ec7c c\u1eaft m\u1eabu v\u1eadt th\u00e0nh h\u00ecnh d\u1ea1ng hai ch\u00e2n, sau \u0111\u00f3 \u00e1p d\u1ee5ng l\u1ef1c \u0111\u1ec3 t\u1ea1o ra v\u1ebft r\u00e1ch. L\u1ef1c c\u1ea7n thi\u1ebft \u0111\u1ec3 ti\u1ebfp t\u1ee5c v\u1ebft r\u00e1ch \u0111\u01b0\u1ee3c ghi l\u1ea1i, cung c\u1ea5p d\u1eef li\u1ec7u qu\u00fd gi\u00e1 v\u1ec1 \u0111\u1ed9 b\u1ec1n c\u1ee7a v\u1ea3i v\u00e0 t\u00ednh ph\u00f9 h\u1ee3p c\u1ee7a n\u00f3 cho c\u00e1c \u1ee9ng d\u1ee5ng c\u1ee5 th\u1ec3.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ti\u00eau chu\u1ea9n n\u00e0y l\u00e0 c\u1ea7n thi\u1ebft cho c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t \u0111\u1ec3 \u0111\u00e1nh gi\u00e1 kh\u1ea3 n\u0103ng ch\u1ed1ng r\u00e1ch c\u1ee7a nhi\u1ec1u lo\u1ea1i v\u1ea3i kh\u00e1c nhau, bao g\u1ed3m v\u1ea3i d\u1ec7t, v\u1ea3i d\u1ec7t kim v\u00e0 v\u1eadt li\u1ec7u \u0111\u01b0\u1ee3c x\u1eed l\u00fd b\u1eb1ng nh\u1ef1a. Ti\u00eau chu\u1ea9n n\u00e0y c\u0169ng \u00e1p d\u1ee5ng cho c\u1ea3 \u0111i\u1ec1u ki\u1ec7n th\u1eed nghi\u1ec7m \u01b0\u1edbt v\u00e0 kh\u00f4, cho ph\u00e9p ph\u00e2n t\u00edch to\u00e0n di\u1ec7n trong \u0111i\u1ec1u ki\u1ec7n th\u1ef1c t\u1ebf.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Quy tr\u00ecnh th\u1eed nghi\u1ec7m ASTM D2261<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c <strong data-start=\"1796\" data-end=\"1810\">Ti\u00eau chu\u1ea9n ASTM D2261<\/strong> Ti\u00eau chu\u1ea9n m\u00f4 t\u1ea3 m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p bao g\u1ed3m m\u1ed9t s\u1ed1 b\u01b0\u1edbc ch\u00ednh:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><p data-start=\"1875\" data-end=\"2089\"><strong data-start=\"1875\" data-end=\"1899\">Chu\u1ea9n b\u1ecb m\u1eabu<\/strong>M\u1eabu v\u1ea3i h\u00ecnh ch\u1eef nh\u1eadt \u0111\u01b0\u1ee3c c\u1eaft th\u00e0nh h\u00ecnh d\u1ea1ng c\u00f3 hai ch\u00e2n. M\u1ed9t ch\u00e2n c\u1ee7a m\u1eabu \u0111\u01b0\u1ee3c k\u1eb9p v\u00e0o h\u00e0m tr\u00ean, v\u00e0 ch\u00e2n c\u00f2n l\u1ea1i v\u00e0o h\u00e0m d\u01b0\u1edbi c\u1ee7a m\u1ed9t... <strong data-start=\"2052\" data-end=\"2088\">M\u00e1y th\u1eed k\u00e9o lo\u1ea1i CRE<\/strong>.<\/p><\/li>\n\n\n\n<li><p data-start=\"1875\" data-end=\"2089\"><strong data-start=\"2097\" data-end=\"2115\" style=\"font-size: 1rem;\">Th\u1ef1c hi\u1ec7n ki\u1ec3m tra<\/strong><span style=\"font-size: 1rem;\">: Kho\u1ea3ng c\u00e1ch gi\u1eefa hai h\u00e0m c\u1ee7a m\u00e1y \u0111\u01b0\u1ee3c t\u0103ng d\u1ea7n v\u1edbi t\u1ed1c \u0111\u1ed9 \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t, \u0111\u1ed3ng th\u1eddi \u00e1p d\u1ee5ng l\u1ef1c \u0111\u1ec3 lan truy\u1ec1n v\u1ebft r\u00e1ch. L\u1ef1c \u0111\u01b0\u1ee3c ghi l\u1ea1i li\u00ean t\u1ee5c trong su\u1ed1t qu\u00e1 tr\u00ecnh th\u1eed nghi\u1ec7m.<\/span><\/p><\/li>\n\n\n\n<li><p data-start=\"1875\" data-end=\"2089\"><strong data-start=\"2287\" data-end=\"2308\" style=\"font-size: 1rem;\">\u0110o l\u1ef1c<\/strong><span style=\"font-size: 1rem;\">: C\u00e1c <\/span><strong data-start=\"2314\" data-end=\"2335\" style=\"font-size: 1rem;\">L\u1ef1c \u0111\u1ec9nh \u0111\u01a1n<\/strong><span style=\"font-size: 1rem;\"> ho\u1eb7c <\/span><strong data-start=\"2343\" data-end=\"2382\" style=\"font-size: 1rem;\">Trung b\u00ecnh c\u1ee7a n\u0103m gi\u00e1 tr\u1ecb l\u1ef1c \u0111\u1ec9nh cao nh\u1ea5t<\/strong><span style=\"font-size: 1rem;\"> Trong qu\u00e1 tr\u00ecnh x\u00e9 r\u00e1ch, c\u00e1c d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c ghi l\u1ea1i \u0111\u1ec3 t\u00ednh to\u00e1n \u0111\u1ed9 b\u1ec1n x\u00e9 r\u00e1ch c\u1ee7a v\u1ea3i.<\/span><\/p><\/li>\n\n\n\n<li><p data-start=\"1875\" data-end=\"2089\"><strong data-start=\"2478\" data-end=\"2495\" style=\"font-size: 1rem;\">Ph\u00e2n t\u00edch d\u1eef li\u1ec7u<\/strong><span style=\"font-size: 1rem;\">C\u00e1c gi\u00e1 tr\u1ecb thu \u0111\u01b0\u1ee3c \u0111\u01b0\u1ee3c ph\u00e2n t\u00edch, v\u00e0 l\u1ef1c t\u1ed1i thi\u1ec3u c\u1ea7n thi\u1ebft \u0111\u1ec3 v\u1ebft r\u00e1ch lan r\u1ed9ng \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh. C\u00e1c \u0111i\u1ec3m d\u1eef li\u1ec7u n\u00e0y ph\u1ea3n \u00e1nh kh\u1ea3 n\u0103ng ch\u1ed1ng r\u00e1ch c\u1ee7a v\u1ea3i trong \u0111i\u1ec1u ki\u1ec7n s\u1eed d\u1ee5ng th\u00f4ng th\u01b0\u1eddng.<\/span><\/p><\/li>\n<\/ol>\n\n\n\n<h2 class=\"wp-block-heading\">T\u1ea1i sao s\u1ee9c m\u1ea1nh c\u1ee7a l\u01b0\u1ee1i l\u1ea1i quan tr\u1ecdng?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Ki\u1ec3m tra <strong data-start=\"2730\" data-end=\"2757\">\u0110\u1ed9 b\u1ec1n k\u00e9o c\u1ee7a l\u01b0\u1ee1i<\/strong> l\u00e0 \u0111i\u1ec1u c\u1ea7n thi\u1ebft v\u00ec nhi\u1ec1u l\u00fd do:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong data-start=\"2795\" data-end=\"2820\" style=\"font-size: 1rem;\">\u0110\u00e1nh gi\u00e1 \u0111\u1ed9 b\u1ec1n<\/strong><span style=\"font-size: 1rem;\">N\u00f3 cung c\u1ea5p th\u00f4ng tin v\u1ec1 kh\u1ea3 n\u0103ng ch\u1ecbu l\u1ef1c c\u1ee7a v\u1ea3i, \u0111i\u1ec1u n\u00e0y \u0111\u1eb7c bi\u1ec7t quan tr\u1ecdng \u0111\u1ed1i v\u1edbi c\u00e1c lo\u1ea1i v\u1ea3i \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c \u1ee9ng d\u1ee5ng \u0111\u00f2i h\u1ecfi \u0111\u1ed9 an to\u00e0n cao nh\u01b0 t\u00fai kh\u00ed v\u00e0 thi\u1ebft b\u1ecb b\u1ea3o h\u1ed9.<\/span><\/li>\n\n\n\n<li><strong data-start=\"3007\" data-end=\"3026\" style=\"font-size: 1rem;\">Ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng<\/strong><span style=\"font-size: 1rem;\">C\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t s\u1eed d\u1ee5ng b\u00e0i ki\u1ec3m tra n\u00e0y \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o hi\u1ec7u su\u1ea5t \u1ed5n \u0111\u1ecbnh c\u1ee7a v\u1ea3i v\u00e0 \u0111\u00e1p \u1ee9ng k\u1ef3 v\u1ecdng c\u1ee7a kh\u00e1ch h\u00e0ng v\u1ec1 \u0111\u1ed9 b\u1ec1n v\u00e0 \u0111\u1ed9 tin c\u1eady.<\/span><\/li>\n\n\n\n<li><strong data-start=\"3161\" data-end=\"3180\" style=\"font-size: 1rem;\">Hi\u1ec7u qu\u1ea3 chi ph\u00ed<\/strong><span style=\"font-size: 1rem;\">B\u1eb1ng c\u00e1ch ph\u00e1t hi\u1ec7n s\u1edbm c\u00e1c lo\u1ea1i v\u1ea3i c\u00f3 ch\u1ea5t l\u01b0\u1ee3ng k\u00e9m, c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t c\u00f3 th\u1ec3 tr\u00e1nh \u0111\u01b0\u1ee3c c\u00e1c l\u1ed7i s\u1ea3n ph\u1ea9m v\u00e0 h\u00e0ng tr\u1ea3 l\u1ea1i t\u1ed1n k\u00e9m, \u0111\u1ea3m b\u1ea3o ch\u1ec9 s\u1eed d\u1ee5ng c\u00e1c nguy\u00ean li\u1ec7u c\u00f3 ch\u1ea5t l\u01b0\u1ee3ng cao nh\u1ea5t trong qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t.<\/span><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Vai tr\u00f2 c\u1ee7a m\u00e1y th\u1eed nghi\u1ec7m lo\u1ea1i CRE trong ti\u00eau chu\u1ea9n ASTM D2261<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong data-start=\"3396\" data-end=\"3433\">M\u00e1y th\u1eed k\u00e9o lo\u1ea1i CRE<\/strong> l\u00e0 thi\u1ebft b\u1ecb \u0111\u01b0\u1ee3c \u01b0a chu\u1ed9ng cho th\u1eed nghi\u1ec7m theo ti\u00eau chu\u1ea9n ASTM D2261. C\u00e1c m\u00e1y n\u00e0y cung c\u1ea5p \u0111\u1ed9 ch\u00ednh x\u00e1c cao v\u00e0 \u0111\u1ed9 l\u1eb7p l\u1ea1i, khi\u1ebfn ch\u00fang tr\u1edf th\u00e0nh l\u1ef1a ch\u1ecdn l\u00fd t\u01b0\u1edfng \u0111\u1ec3 th\u1eed nghi\u1ec7m \u0111\u1ed9 b\u1ec1n r\u00e1ch c\u1ee7a v\u1ea3i. Ch\u00fang cho ph\u00e9p \u0111i\u1ec1u ki\u1ec7n th\u1eed nghi\u1ec7m \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t, \u0111\u1ea3m b\u1ea3o k\u1ebft qu\u1ea3 nh\u1ea5t qu\u00e1n v\u00e0 \u0111\u00e1ng tin c\u1eady. H\u1ec7 th\u1ed1ng thu th\u1eadp d\u1eef li\u1ec7u c\u1ee7a m\u00e1y\u2014ch\u1eb3ng h\u1ea1n nh\u01b0 <strong data-start=\"3730\" data-end=\"3761\">M\u00e1y ghi bi\u1ec3u \u0111\u1ed3 t\u1ef1 \u0111\u1ed9ng<\/strong> ho\u1eb7c <strong data-start=\"3765\" data-end=\"3797\">H\u1ec7 th\u1ed1ng d\u1ef1a tr\u00ean vi x\u1eed l\u00fd<\/strong>\u2014gi\u00fap ghi l\u1ea1i l\u1ef1c m\u1ed9t c\u00e1ch ch\u00ednh x\u00e1c trong qu\u00e1 tr\u00ecnh x\u00e9, cung c\u1ea5p nh\u1eefng th\u00f4ng tin qu\u00fd gi\u00e1 cho vi\u1ec7c ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">G\u1ee3i \u00fd cho vi\u1ec7c ki\u1ec3m tra v\u1ea3i v\u1edbi Cell Instruments<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">T\u1ea1i <strong data-start=\"3973\" data-end=\"3993\">D\u1ee5ng c\u1ee5 t\u1ebf b\u00e0o<\/strong>Ch\u00fang t\u00f4i chuy\u00ean cung c\u1ea5p c\u00e1c gi\u1ea3i ph\u00e1p ti\u00ean ti\u1ebfn. <strong data-start=\"4031\" data-end=\"4059\">M\u00e1y th\u1eed k\u00e9o<\/strong> \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 \u0111\u00e1p \u1ee9ng nhu c\u1ea7u c\u1ee7a <strong data-start=\"4090\" data-end=\"4104\">Ti\u00eau chu\u1ea9n ASTM D2261<\/strong> Ki\u1ec3m tra. C\u1ee7a ch\u00fang t\u00f4i <strong data-start=\"4118\" data-end=\"4138\">M\u00e1y k\u00e9o c\u0103ng<\/strong> Cung c\u1ea5p \u0111\u1ed9 ch\u00ednh x\u00e1c v\u00e0 t\u00ednh linh ho\u1ea1t c\u1ea7n thi\u1ebft \u0111\u1ec3 th\u1ef1c hi\u1ec7n c\u00e1c th\u1eed nghi\u1ec7m \u0111\u1ed9 b\u1ec1n k\u00e9o l\u01b0\u1ee1i ch\u00ednh x\u00e1c tr\u00ean nhi\u1ec1u lo\u1ea1i v\u1ea3i kh\u00e1c nhau, \u0111\u1ea3m b\u1ea3o tu\u00e2n th\u1ee7 c\u00e1c ti\u00eau chu\u1ea9n ng\u00e0nh. D\u00f9 b\u1ea1n \u0111ang th\u1eed nghi\u1ec7m v\u1ea3i d\u1ec7t, v\u1ea3i d\u1ec7t kim hay v\u1ea3i \u0111\u01b0\u1ee3c x\u1eed l\u00fd b\u1eb1ng nh\u1ef1a, c\u00e1c m\u00e1y m\u00f3c c\u1ee7a ch\u00fang t\u00f4i \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 cung c\u1ea5p k\u1ebft qu\u1ea3 nh\u1ea5t qu\u00e1n v\u00e0 \u0111\u00e1ng tin c\u1eady, gi\u00fap t\u1ed1i \u01b0u h\u00f3a quy tr\u00ecnh ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng c\u1ee7a b\u1ea1n.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Ph\u1ea7n k\u1ebft lu\u1eadn<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c <strong data-start=\"4503\" data-end=\"4517\">Ti\u00eau chu\u1ea9n ASTM D2261<\/strong> Ti\u00eau chu\u1ea9n l\u00e0 c\u00f4ng c\u1ee5 thi\u1ebft y\u1ebfu \u0111\u1ec3 \u0111\u00e1nh gi\u00e1 <strong data-start=\"4567\" data-end=\"4594\">\u0110\u1ed9 b\u1ec1n k\u00e9o c\u1ee7a l\u01b0\u1ee1i<\/strong> c\u1ee7a ng\u00e0nh d\u1ec7t may, cung c\u1ea5p d\u1eef li\u1ec7u qu\u00fd gi\u00e1 v\u1ec1 \u0111\u1ed9 b\u1ec1n v\u00e0 hi\u1ec7u su\u1ea5t c\u1ee7a v\u1ea3i. \u0110\u1ed1i v\u1edbi c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t d\u1ec7t may, b\u00e0i ki\u1ec3m tra n\u00e0y l\u00e0 v\u00f4 c\u00f9ng quan tr\u1ecdng \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o s\u1ea3n ph\u1ea9m c\u1ee7a h\u1ecd \u0111\u00e1p \u1ee9ng c\u00e1c ti\u00eau chu\u1ea9n y\u00eau c\u1ea7u v\u1ec1 kh\u1ea3 n\u0103ng ch\u1ed1ng r\u00e1ch, \u0111\u1eb7c bi\u1ec7t trong c\u00e1c \u1ee9ng d\u1ee5ng m\u00e0 t\u00ednh to\u00e0n v\u1eb9n c\u1ee7a v\u1ea3i l\u00e0 y\u1ebfu t\u1ed1 then ch\u1ed1t. V\u1edbi thi\u1ebft b\u1ecb ki\u1ec3m tra ph\u00f9 h\u1ee3p, nh\u01b0 nh\u1eefng thi\u1ebft b\u1ecb \u0111\u01b0\u1ee3c cung c\u1ea5p b\u1edfi <strong data-start=\"4921\" data-end=\"4941\">D\u1ee5ng c\u1ee5 t\u1ebf b\u00e0o<\/strong>C\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t c\u00f3 th\u1ec3 duy tr\u00ec ch\u1ea5t l\u01b0\u1ee3ng cao v\u00e0 \u0111\u1ea3m b\u1ea3o r\u1eb1ng c\u00e1c lo\u1ea1i v\u1ea3i c\u1ee7a h\u1ecd ho\u1ea1t \u0111\u1ed9ng \u0111\u00e1ng tin c\u1eady trong \u0111i\u1ec1u ki\u1ec7n th\u1ef1c t\u1ebf.<\/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\">C\u00e2u h\u1ecfi 1: ASTM D2261 l\u00e0 g\u00ec?<br><strong data-start=\"135\" data-end=\"141\">A1<\/strong>: <strong data-start=\"143\" data-end=\"157\">Ti\u00eau chu\u1ea9n ASTM D2261<\/strong> l\u00e0 ph\u01b0\u01a1ng ph\u00e1p th\u1eed nghi\u1ec7m ti\u00eau chu\u1ea9n \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 \u0111o l\u01b0\u1eddng <strong data-start=\"206\" data-end=\"233\">\u0110\u1ed9 b\u1ec1n k\u00e9o c\u1ee7a l\u01b0\u1ee1i<\/strong> c\u1ee7a v\u1ea3i d\u1ec7t. Ph\u01b0\u01a1ng ph\u00e1p th\u1eed nghi\u1ec7m s\u1eed d\u1ee5ng <strong data-start=\"272\" data-end=\"295\">m\u1ed9t \u0111\u01b0\u1eddng c\u1eaft (l\u01b0\u1ee1i)<\/strong> Quy tr\u00ecnh trong \u0111\u00f3 m\u1eabu v\u1ea3i \u0111\u01b0\u1ee3c t\u00e1c \u0111\u1ed9ng l\u1ef1c cho \u0111\u1ebfn khi v\u1ebft r\u00e1ch lan r\u1ed9ng. L\u1ef1c c\u1ea7n thi\u1ebft \u0111\u1ec3 ti\u1ebfp t\u1ee5c v\u1ebft r\u00e1ch \u0111\u01b0\u1ee3c ghi l\u1ea1i v\u00e0 ph\u00e2n t\u00edch \u0111\u1ec3 \u0111\u00e1nh gi\u00e1 kh\u1ea3 n\u0103ng ch\u1ed1ng r\u00e1ch c\u1ee7a v\u1ea3i.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e2u 2: T\u1ea1i sao \u0111\u1ed9 b\u1ec1n r\u00e1ch l\u01b0\u1ee1i l\u1ea1i quan tr\u1ecdng trong ng\u00e0nh d\u1ec7t may?<br><strong data-start=\"556\" data-end=\"562\">A2<\/strong>: <strong data-start=\"564\" data-end=\"591\">\u0110\u1ed9 b\u1ec1n k\u00e9o c\u1ee7a l\u01b0\u1ee1i<\/strong> \u0110\u1ed9 b\u1ec1n k\u00e9o l\u00e0 y\u1ebfu t\u1ed1 quan tr\u1ecdng trong vi\u1ec7c x\u00e1c \u0111\u1ecbnh kh\u1ea3 n\u0103ng ch\u1ecbu l\u1ef1c k\u00e9o c\u1ee7a v\u1ea3i, \u0111\u1eb7c bi\u1ec7t quan tr\u1ecdng \u0111\u1ed1i v\u1edbi c\u00e1c v\u1eadt li\u1ec7u \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c \u1ee9ng d\u1ee5ng \u0111\u00f2i h\u1ecfi \u0111\u1ed9 an to\u00e0n cao nh\u01b0 t\u00fai kh\u00ed v\u00e0 qu\u1ea7n \u00e1o b\u1ea3o h\u1ed9. N\u00f3 gi\u00fap \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 b\u1ec1n v\u00e0 \u0111\u1ed9 tin c\u1eady c\u1ee7a v\u1ea3i, do \u0111\u00f3 l\u00e0 m\u1ed9t b\u00e0i ki\u1ec3m tra thi\u1ebft y\u1ebfu m\u00e0 c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t c\u1ea7n th\u1ef1c hi\u1ec7n \u0111\u1ec3 duy tr\u00ec ch\u1ea5t l\u01b0\u1ee3ng s\u1ea3n ph\u1ea9m.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e2u 3: Quy tr\u00ecnh th\u1ef1c hi\u1ec7n th\u1eed nghi\u1ec7m ASTM D2261 \u0111\u01b0\u1ee3c ti\u1ebfn h\u00e0nh nh\u01b0 th\u1ebf n\u00e0o?<br><strong data-start=\"977\" data-end=\"983\">A3<\/strong>Trong <strong data-start=\"992\" data-end=\"1006\">Ti\u00eau chu\u1ea9n ASTM D2261<\/strong> Trong qu\u00e1 tr\u00ecnh th\u1eed nghi\u1ec7m, m\u1ed9t m\u1eabu v\u1ea3i \u0111\u01b0\u1ee3c c\u1eaft th\u00e0nh h\u00ecnh d\u1ea1ng hai ch\u00e2n v\u00e0 \u0111\u1eb7t v\u00e0o m\u1ed9t... <strong data-start=\"1077\" data-end=\"1113\">M\u00e1y th\u1eed k\u00e9o lo\u1ea1i CRE<\/strong>M\u00e1y \u00e1p d\u1ee5ng l\u1ef1c \u0111\u1ec3 t\u1ea1o ra v\u1ebft r\u00e1ch, v\u00e0 l\u1ef1c c\u1ea7n thi\u1ebft \u0111\u1ec3 ti\u1ebfp t\u1ee5c v\u1ebft r\u00e1ch \u0111\u01b0\u1ee3c \u0111o l\u01b0\u1eddng. Th\u1eed nghi\u1ec7m c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n tr\u00ean c\u1ea3 m\u1eabu \u01b0\u1edbt v\u00e0 kh\u00f4, cung c\u1ea5p d\u1eef li\u1ec7u qu\u00fd gi\u00e1 v\u1ec1 hi\u1ec7u su\u1ea5t c\u1ee7a v\u1ea3i trong c\u00e1c \u0111i\u1ec1u ki\u1ec7n kh\u00e1c nhau.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e2u 4: Thi\u1ebft b\u1ecb n\u00e0o \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong th\u1eed nghi\u1ec7m ASTM D2261?<br><strong data-start=\"1416\" data-end=\"1422\">A4<\/strong>: C\u00e1c <strong data-start=\"1428\" data-end=\"1464\">M\u00e1y th\u1eed k\u00e9o lo\u1ea1i CRE<\/strong> l\u00e0 thi\u1ebft b\u1ecb \u0111\u01b0\u1ee3c \u01b0a chu\u1ed9ng cho <strong data-start=\"1496\" data-end=\"1510\">Ti\u00eau chu\u1ea9n ASTM D2261<\/strong>M\u00e1y n\u00e0y cung c\u1ea5p kh\u1ea3 n\u0103ng ki\u1ec3m so\u00e1t ch\u00ednh x\u00e1c l\u1ef1c t\u00e1c \u0111\u1ed9ng l\u00ean m\u1eabu v\u1ea3i, \u0111\u1ea3m b\u1ea3o k\u1ebft qu\u1ea3 ch\u00ednh x\u00e1c v\u00e0 c\u00f3 th\u1ec3 l\u1eb7p l\u1ea1i. N\u00f3 c\u0169ng bao g\u1ed3m c\u00e1c h\u1ec7 th\u1ed1ng thu th\u1eadp d\u1eef li\u1ec7u, ch\u1eb3ng h\u1ea1n nh\u01b0 <strong data-start=\"1689\" data-end=\"1720\">M\u00e1y ghi bi\u1ec3u \u0111\u1ed3 t\u1ef1 \u0111\u1ed9ng<\/strong> ho\u1eb7c <strong data-start=\"1724\" data-end=\"1756\">H\u1ec7 th\u1ed1ng d\u1ef1a tr\u00ean vi x\u1eed l\u00fd<\/strong>\u0110\u1ec3 ghi l\u1ea1i l\u1ef1c trong qu\u00e1 tr\u00ecnh x\u00e9 r\u00e1ch.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e2u h\u1ecfi 5: L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 t\u00ednh to\u00e1n \u0111\u1ed9 b\u1ec1n r\u00e1ch theo ti\u00eau chu\u1ea9n ASTM D2261?<br><strong data-start=\"1880\" data-end=\"1886\">A5<\/strong>\u0110\u1ed9 b\u1ec1n k\u00e9o \u0111\u01b0\u1ee3c t\u00ednh to\u00e1n b\u1eb1ng hai ph\u01b0\u01a1ng ph\u00e1p:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong data-start=\"1945\" data-end=\"1966\" style=\"font-size: 1rem;\">L\u1ef1c \u0111\u1ec9nh \u0111\u01a1n<\/strong><span style=\"font-size: 1rem;\">L\u1ef1c t\u1ed1i \u0111a c\u1ea7n thi\u1ebft \u0111\u1ec3 b\u1eaft \u0111\u1ea7u v\u00e0 duy tr\u00ec v\u1ebft r\u00e1ch.<\/span><\/li>\n\n\n\n<li><strong data-start=\"2033\" data-end=\"2066\" style=\"font-size: 1rem;\">Trung b\u00ecnh c\u1ee7a n\u0103m \u0111\u1ec9nh cao nh\u1ea5t<\/strong><span style=\"font-size: 1rem;\">L\u1ef1c trung b\u00ecnh t\u1eeb n\u0103m \u0111i\u1ec3m cao nh\u1ea5t trong qu\u00e1 tr\u00ecnh x\u00e9 r\u00e1ch.<\/span><\/li>\n\n\n\n<li>C\u00e1c t\u00ednh to\u00e1n n\u00e0y gi\u00fap x\u00e1c \u0111\u1ecbnh hi\u1ec7u su\u1ea5t v\u00e0 \u0111\u1ed9 b\u1ec1n c\u1ee7a v\u1ea3i d\u01b0\u1edbi t\u00e1c \u0111\u1ed9ng c\u1ee7a l\u1ef1c.<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e2u h\u1ecfi 6: Cell Instruments h\u1ed7 tr\u1ee3 th\u1eed nghi\u1ec7m ASTM D2261 nh\u01b0 th\u1ebf n\u00e0o?<br><strong data-start=\"2305\" data-end=\"2311\">A6<\/strong>: <strong data-start=\"2313\" data-end=\"2333\">D\u1ee5ng c\u1ee5 t\u1ebf b\u00e0o<\/strong> cung c\u1ea5p \u0111\u1ed9 ch\u00ednh x\u00e1c cao <strong data-start=\"2356\" data-end=\"2384\">M\u00e1y th\u1eed k\u00e9o<\/strong> \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 \u0111\u00e1p \u1ee9ng c\u00e1c y\u00eau c\u1ea7u c\u1ee7a <strong data-start=\"2422\" data-end=\"2436\"><a href=\"https:\/\/store.astm.org\/d2261-13r24.html\" rel=\"nofollow noopener\" target=\"_blank\">Ti\u00eau chu\u1ea9n ASTM D2261<\/a><\/strong>C\u00e1c m\u00e1y m\u00f3c c\u1ee7a ch\u00fang t\u00f4i \u0111\u01b0\u1ee3c trang b\u1ecb h\u1ec7 th\u1ed1ng thu th\u1eadp d\u1eef li\u1ec7u ti\u00ean ti\u1ebfn, \u0111\u1ea3m b\u1ea3o k\u1ebft qu\u1ea3 ch\u00ednh x\u00e1c v\u00e0 \u0111\u00e1ng tin c\u1eady cho <strong data-start=\"2546\" data-end=\"2573\">\u0110\u1ed9 b\u1ec1n k\u00e9o c\u1ee7a l\u01b0\u1ee1i<\/strong> Ki\u1ec3m tra. D\u00f9 l\u00e0 ki\u1ec3m tra v\u1ea3i d\u1ec7t, v\u1ea3i d\u1ec7t kim hay v\u1ea3i \u0111\u01b0\u1ee3c x\u1eed l\u00fd b\u1eb1ng nh\u1ef1a, c\u00e1c m\u00e1y m\u00f3c c\u1ee7a ch\u00fang t\u00f4i \u0111\u1ec1u cung c\u1ea5p \u0111\u1ed9 ch\u00ednh x\u00e1c c\u1ea7n thi\u1ebft cho ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 th\u1eed nghi\u1ec7m v\u1eadt li\u1ec7u.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\n\t\t\t\tLi\u00ean h\u1ec7 v\u1edbi ch\u00fang t\u00f4i \u0111\u1ec3 nh\u1eadn gi\u1ea3i ph\u00e1p th\u1eed nghi\u1ec7m theo ti\u00eau chu\u1ea9n ASTM D2261.\t\t\t\t<\/h2>","protected":false},"excerpt":{"rendered":"<p>\u0110\u1ed9 b\u1ec1n r\u00e1ch l\u01b0\u1ee1i: \u0110\u1ea3m b\u1ea3o \u0111\u1ed9 b\u1ec1n c\u1ee7a v\u1ea3i \u0110\u1ed9 b\u1ec1n r\u00e1ch l\u01b0\u1ee1i l\u00e0 m\u1ed9t \u0111\u1eb7c t\u00ednh quan tr\u1ecdng \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh kh\u1ea3 n\u0103ng ch\u1ed1ng r\u00e1ch c\u1ee7a v\u1ea3i khi ch\u1ecbu t\u00e1c \u0111\u1ed9ng c\u1ee7a c\u00e1c l\u1ef1c b\u00ean ngo\u00e0i. Th\u1eed nghi\u1ec7m ASTM D2261 s\u1eed d\u1ee5ng ph\u01b0\u01a1ng ph\u00e1p r\u00e1ch \u0111\u01a1n (l\u01b0\u1ee1i), trong \u0111\u00f3 m\u1eabu th\u1eed \u0111\u01b0\u1ee3c c\u1eaft th\u00e0nh h\u00ecnh hai ch\u00e2n v\u00e0 l\u1ef1c \u0111\u01b0\u1ee3c t\u00e1c d\u1ee5ng \u0111\u1ec3 t\u1ea1o ra v\u1ebft r\u00e1ch. [\u2026]<\/p>","protected":false},"featured_media":8636,"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":""}}},"standard-category":[611],"class_list":["post-9869","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\/9869","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\/8636"}],"wp:attachment":[{"href":"https:\/\/www.packqc.com\/vi\/wp-json\/wp\/v2\/media?parent=9869"}],"wp:term":[{"taxonomy":"standard-category","embeddable":true,"href":"https:\/\/www.packqc.com\/vi\/wp-json\/wp\/v2\/standard-category?post=9869"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}