{"id":5148,"date":"2025-07-28T09:37:06","date_gmt":"2025-07-28T09:37:06","guid":{"rendered":"https:\/\/www.keylinktech.com\/?p=5148"},"modified":"2025-07-28T09:37:06","modified_gmt":"2025-07-28T09:37:06","slug":"guide-to-astm-contact-angle-test","status":"publish","type":"post","link":"https:\/\/www.keylinktech.com\/vi\/blog\/contact-angle\/guide-to-astm-contact-angle-test\/","title":{"rendered":"H\u01b0\u1edbng d\u1eabn t\u1eebng b\u01b0\u1edbc v\u1ec1 ph\u01b0\u01a1ng ph\u00e1p th\u1eed g\u00f3c ti\u1ebfp x\u00fac ASTM"},"content":{"rendered":"

Ti\u00eau chu\u1ea9n ASTM g\u00f3c ti\u1ebfp x\u00fac<\/a> Ki\u1ec3m tra bao g\u1ed3m vi\u1ec7c chu\u1ea9n b\u1ecb m\u1eabu, nh\u1ecf m\u1ed9t gi\u1ecdt n\u01b0\u1edbc, ch\u1ee5p \u1ea3nh v\u00e0 \u0111o g\u00f3c ti\u1ebfp x\u00fac b\u1eb1ng ph\u1ea7n m\u1ec1m chuy\u00ean d\u1ee5ng trong \u0111i\u1ec1u ki\u1ec7n m\u00f4i tr\u01b0\u1eddng \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t.<\/p>\n\n\n

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\"Thi\u1ebft<\/a><\/figure>\n<\/div>\n\n\n

T\u1ea1i sao ti\u00eau chu\u1ea9n ASTM l\u1ea1i quan tr\u1ecdng \u0111\u1ed1i v\u1edbi ph\u00e9p \u0111o g\u00f3c ti\u1ebfp x\u00fac?<\/strong><\/h2>\n\n\n\n

Ti\u00eau chu\u1ea9n ASTM thi\u1ebft l\u1eadp c\u00e1c giao th\u1ee9c th\u1ed1ng nh\u1ea5t \u0111\u1ea3m b\u1ea3o k\u1ebft qu\u1ea3 \u0111\u00e1ng tin c\u1eady v\u00e0 c\u00f3 th\u1ec3 so s\u00e1nh \u0111\u01b0\u1ee3c gi\u1eefa c\u00e1c ph\u00f2ng th\u00ed nghi\u1ec7m v\u00e0 \u1ee9ng d\u1ee5ng kh\u00e1c nhau. Ti\u00eau chu\u1ea9n th\u1eed nghi\u1ec7m g\u00f3c ti\u1ebfp x\u00fac lo\u1ea1i b\u1ecf s\u1ef1 thay \u0111\u1ed5i trong k\u1ef9 thu\u1eadt \u0111o l\u01b0\u1eddng, \u0111i\u1ec1u ki\u1ec7n m\u00f4i tr\u01b0\u1eddng v\u00e0 c\u00e1ch di\u1ec5n gi\u1ea3i d\u1eef li\u1ec7u c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn \u0111\u1ed9 ch\u00ednh x\u00e1c c\u1ee7a th\u1eed nghi\u1ec7m.<\/p>\n\n\n\n

C\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p d\u1ef1a v\u00e0o c\u00e1c ph\u01b0\u01a1ng ph\u00e1p chu\u1ea9n h\u00f3a n\u00e0y \u0111\u1ec3 \u0111\u00e1nh gi\u00e1 x\u1eed l\u00fd b\u1ec1 m\u1eb7t<\/a>, \u0111\u1ed9 b\u00e1m d\u00ednh c\u1ee7a l\u1edbp ph\u1ee7 v\u00e0 kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch c\u1ee7a v\u1eadt li\u1ec7u. N\u1ebfu kh\u00f4ng c\u00f3 c\u00e1c quy tr\u00ecnh chu\u1ea9n h\u00f3a, nh\u00e0 s\u1ea3n xu\u1ea5t kh\u00f4ng th\u1ec3 t\u1ef1 tin so s\u00e1nh k\u1ebft qu\u1ea3 ho\u1eb7c \u0111\u01b0a ra quy\u1ebft \u0111\u1ecbnh s\u00e1ng su\u1ed1t v\u1ec1 c\u00e1c s\u1eeda \u0111\u1ed5i b\u1ec1 m\u1eb7t nh\u01b0 \u0111i\u1ec1u tr\u1ecb huy\u1ebft t\u01b0\u01a1ng ho\u1eb7c corona<\/a> ph\u00f3ng \u0111i\u1ec7n.<\/p>\n\n\n\n

Ti\u00eau chu\u1ea9n c\u0169ng quy \u0111\u1ecbnh c\u00e1c th\u00f4ng s\u1ed1 quan tr\u1ecdng nh\u01b0 th\u1ec3 t\u00edch gi\u1ecdt, th\u1eddi gian \u0111o v\u00e0 c\u00e1c bi\u1ec7n ph\u00e1p ki\u1ec3m so\u00e1t m\u00f4i tr\u01b0\u1eddng. C\u00e1c th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt n\u00e0y gi\u00fap ng\u0103n ng\u1eeba c\u00e1c l\u1ed7i th\u01b0\u1eddng g\u1eb7p d\u1eabn \u0111\u1ebfn d\u1eef li\u1ec7u kh\u00f4ng nh\u1ea5t qu\u00e1n, khi\u1ebfn vi\u1ec7c tu\u00e2n th\u1ee7 ASTM tr\u1edf n\u00ean thi\u1ebft y\u1ebfu \u0111\u1ed1i v\u1edbi quy tr\u00ecnh ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 ph\u00ea duy\u1ec7t theo quy \u0111\u1ecbnh.<\/p>\n\n\n

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\"CA01<\/a><\/figure>\n<\/div>\n\n\n

Thi\u1ebft b\u1ecb v\u00e0 v\u1eadt li\u1ec7u thi\u1ebft y\u1ebfu c\u1ea7n thi\u1ebft<\/strong><\/h2>\n\n\n\n

Ti\u00eau chu\u1ea9n ASTM quy tr\u00ecnh ki\u1ec3m tra g\u00f3c ti\u1ebfp x\u00fac<\/strong> y\u00eau c\u1ea7u thi\u1ebft b\u1ecb chuy\u00ean d\u1ee5ng \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o ph\u00e9p \u0111o ch\u00ednh x\u00e1c:<\/p>\n\n\n\n

M\u00e1y \u0111o g\u00f3c ti\u1ebfp x\u00fac:<\/strong> \u0110\u00e2y l\u00e0 thi\u1ebft b\u1ecb \u0111o l\u01b0\u1eddng ch\u00ednh v\u1edbi h\u1ec7 th\u1ed1ng camera ch\u00ednh x\u00e1c, b\u1ec7 m\u1eabu c\u00f3 th\u1ec3 \u0111i\u1ec1u ch\u1ec9nh v\u00e0 c\u01a1 ch\u1ebf ph\u00e2n ph\u1ed1i ch\u1ea5t l\u1ecfng.<\/p>\n\n\n\n

H\u1ec7 th\u1ed1ng ph\u00e2n ph\u1ed1i ch\u1ea5t l\u1ecfng:<\/strong> \u1ed0ng ti\u00eam c\u00f3 \u0111\u1ed9 ch\u00ednh x\u00e1c cao v\u1edbi kim ti\u00eam nh\u1ecf cung c\u1ea5p l\u01b0\u1ee3ng gi\u1ecdt ti\u00eam \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t t\u1eeb 5-8 microlit.<\/p>\n\n\n\n

Ki\u1ec3m so\u00e1t m\u00f4i tr\u01b0\u1eddng:<\/strong> Thi\u1ebft b\u1ecb theo d\u00f5i nhi\u1ec7t \u0111\u1ed9 v\u00e0 \u0111\u1ed9 \u1ea9m duy tr\u00ec \u0111i\u1ec1u ki\u1ec7n \u1ed5n \u0111\u1ecbnh trong qu\u00e1 tr\u00ecnh th\u1eed nghi\u1ec7m.<\/p>\n\n\n\n

C\u00f4ng c\u1ee5 chu\u1ea9n b\u1ecb m\u1eabu:<\/strong> Dung m\u00f4i l\u00e0m s\u1ea1ch, v\u1ea3i kh\u00f4ng x\u01a1 v\u00e0 thi\u1ebft b\u1ecb ch\u1ed1ng t\u0129nh \u0111i\u1ec7n cho m\u00e0ng polyme.<\/p>\n\n\n\n

Ch\u1ea5t l\u1ecfng th\u1eed nghi\u1ec7m:<\/strong> N\u01b0\u1edbc kh\u1eed ion c\u00f3 \u0111\u1ed9 tinh khi\u1ebft cao v\u1edbi \u0111\u1eb7c t\u00ednh s\u1ee9c c\u0103ng b\u1ec1 m\u1eb7t \u0111\u00e3 \u0111\u01b0\u1ee3c x\u00e1c minh.<\/p>\n\n\n\n

\"Nh\u00e0<\/a><\/figure>\n\n\n\n

B\u01b0\u1edbc 1: Chu\u1ea9n b\u1ecb m\u1eabu<\/strong><\/h2>\n\n\n\n

C\u1eaft m\u1eabu theo k\u00edch th\u01b0\u1edbc y\u00eau c\u1ea7u \u2013 th\u01b0\u1eddng l\u00e0 d\u1ea3i r\u1ed9ng 15mm v\u1edbi \u0111\u1ed9 d\u00e0y d\u01b0\u1edbi 2,5mm \u0111\u1ed1i v\u1edbi m\u00e0ng polyme theo ti\u00eau chu\u1ea9n ASTM D5946. \u0110\u1ea3m b\u1ea3o chi\u1ec1u d\u00e0i m\u1eabu \u0111\u1ee7 \u0111\u1ec3 \u0111o nhi\u1ec1u \u0111i\u1ec3m.<\/p>\n\n\n\n

L\u00e0m s\u1ea1ch b\u1ec1 m\u1eb7t m\u1eabu b\u1eb1ng dung m\u00f4i th\u00edch h\u1ee3p \u0111\u1ec3 lo\u1ea1i b\u1ecf d\u1ea7u m\u1ee1, d\u1ea5u v\u00e2n tay v\u00e0 ch\u1ea5t b\u1ea9n. S\u1eed d\u1ee5ng kh\u0103n kh\u00f4ng x\u01a1 v\u00e0 tr\u00e1nh ch\u1ea1m tr\u1ef1c ti\u1ebfp v\u00e0o khu v\u1ef1c \u0111o b\u1eb1ng tay tr\u1ea7n.<\/p>\n\n\n\n

Lo\u1ea1i b\u1ecf t\u0129nh \u0111i\u1ec7n kh\u1ecfi m\u1eabu polymer b\u1eb1ng m\u00e1y ion h\u00f3a kh\u00f4ng kh\u00ed ho\u1eb7c s\u00fang ch\u1ed1ng t\u0129nh \u0111i\u1ec7n. S\u1ef1 t\u00edch t\u1ee5 t\u0129nh \u0111i\u1ec7n c\u00f3 th\u1ec3 khi\u1ebfn c\u00e1c gi\u1ecdt n\u01b0\u1edbc di chuy\u1ec3n kh\u00f4ng \u0111\u1ec1u v\u00e0 t\u1ea1o ra g\u00f3c ti\u1ebfp x\u00fac kh\u00f4ng ch\u00ednh x\u00e1c.<\/p>\n\n\n\n

L\u1eafp m\u1eabu v\u00e0o gi\u00e1 \u0111\u1ee1 m\u1eabu c\u1ee7a m\u00e1y \u0111o g\u00f3c, \u0111\u1ea3m b\u1ea3o b\u1ec1 m\u1eb7t ph\u1eb3ng, kh\u00f4ng c\u00f3 n\u1ebfp nh\u0103n ho\u1eb7c bi\u1ebfn d\u1ea1ng. Khu v\u1ef1c \u0111o ph\u1ea3i h\u01b0\u1edbng l\u00ean tr\u00ean, d\u1ec5 d\u00e0ng ti\u1ebfp c\u1eadn kim ti\u00eam.<\/p>\n\n\n\n

\u0110\u1ec3 m\u1eabu c\u00e2n b\u1eb1ng v\u1edbi \u0111i\u1ec1u ki\u1ec7n ph\u00f2ng trong \u00edt nh\u1ea5t 15 ph\u00fat tr\u01b0\u1edbc khi th\u1eed nghi\u1ec7m. \u0110i\u1ec1u n\u00e0y ng\u0103n ng\u1eeba c\u00e1c t\u00e1c \u0111\u1ed9ng li\u00ean quan \u0111\u1ebfn nhi\u1ec7t \u0111\u1ed9 c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn ho\u1ea1t \u0111\u1ed9ng c\u1ee7a gi\u1ecdt.<\/p>\n\n\n\n\n\n\n \n S\u1ea3n ph\u1ea9m n\u1ed5i b\u1eadt<\/title>\n <style>\n .hero-card {\n display: flex;\n flex-wrap: wrap;\n align-items: center;\n background: #f7f8fa;\n border-radius: 16px;\n box-shadow: 0 6px 20px rgba(0, 0, 0, 0.05);\n padding: 24px;\n max-width: 900px;\n margin: 40px auto;\n font-family: Arial, sans-serif;\n text-decoration: none;\n color: inherit;\n font-family: 'Poppins';\n }\n\n .hero-image {\n width: 220px;\n height: auto;\n border-radius: 12px;\n object-fit: cover;\n flex-shrink: 0;\n }\n\n .hero-content {\n padding-left: 24px;\n flex: 1;\n min-width: 260px;\n }\n\n .hero-title {\n font-size: 1.6rem;\n font-weight: bold;\n margin-bottom: 12px;\n color: #222;\n font-family: 'Poppins',\n }\n\n .hero-description {\n font-size: 1rem;\n color: #555;\n margin-bottom: 18px;\n }\n\n .hero-link {\n display: inline-block;\n padding: 10px 20px;\n background-color: #0066cc;\n color: #fff;\n text-decoration: none;\n border-radius: 8px;\n font-weight: bold;\n transition: background 0.2s ease-in-out;\n }\n\n .hero-link:hover {\n background-color: #004c99;\n }\n\n @media (max-width: 640px) {\n .hero-card {\n flex-direction: column;\n text-align: center;\n }\n\n .hero-content {\n padding-left: 0;\n padding-top: 20px;\n }\n\n .hero-image {\n width: 100%;\n max-width: 280px;\n }\n }\n <\/style>\n<\/head>\n<body>\n\n<a class=\"hero-card\" href=\"https:\/\/www.keylinktech.com\/vi\/\" target=\"_blank\">\n <img decoding=\"async\" class=\"hero-image\" src=\"https:\/\/www.keylinktech.com\/wp-content\/uploads\/2023\/10\/\u7ec4-30@2x-6.webp\" alt=\"Nh\u00e0 s\u1ea3n xu\u1ea5t h\u1ec7 th\u1ed1ng x\u1eed l\u00fd b\u1ec1 m\u1eb7t Plasma h\u00e0ng \u0111\u1ea7u t\u1ea1i Trung Qu\u1ed1c\">\n <div class=\"hero-content\">\n <div class=\"hero-title\">Nh\u00e0 s\u1ea3n xu\u1ea5t h\u1ec7 th\u1ed1ng x\u1eed l\u00fd b\u1ec1 m\u1eb7t Plasma h\u00e0ng \u0111\u1ea7u t\u1ea1i Trung Qu\u1ed1c - Keylink<\/div>\n <div class=\"hero-description\">Keylink chuy\u00ean v\u1ec1 c\u00f4ng ngh\u1ec7 x\u1eed l\u00fd plasma. H\u1ec7 th\u1ed1ng c\u1ee7a ch\u00fang t\u00f4i cung c\u1ea5p kh\u1ea3 n\u0103ng l\u00e0m s\u1ea1ch, k\u00edch ho\u1ea1t v\u00e0 bi\u1ebfn \u0111\u1ed5i b\u1ec1 m\u1eb7t v\u01b0\u1ee3t tr\u1ed9i, \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 t\u0103ng c\u01b0\u1eddng li\u00ean k\u1ebft v\u1eadt li\u1ec7u v\u00e0 th\u00fac \u0111\u1ea9y \u0111\u1ed9 b\u00e1m d\u00ednh \u0111\u00e1ng tin c\u1eady.<\/div>\n <span class=\"hero-link\">Xem gi\u1ea3i ph\u00e1p<\/span>\n <\/div>\n<\/a>\n\n<\/body>\n<\/html>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>B\u01b0\u1edbc 2: L\u1eafng \u0111\u1ecdng gi\u1ecdt<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ed5 \u0111\u1ea7y n\u01b0\u1edbc kh\u1eed ion c\u00f3 \u0111\u1ed9 tinh khi\u1ebft cao v\u00e0o \u1ed1ng ti\u00eam s\u1ea1ch, ki\u1ec3m tra xem s\u1ee9c c\u0103ng b\u1ec1 m\u1eb7t c\u00f3 \u0111\u1ea1t 72,8 \u00b1 0,5 mN\/m \u1edf 20\u00b0C kh\u00f4ng. Lo\u1ea1i b\u1ecf h\u1ebft b\u1ecdt kh\u00ed kh\u1ecfi h\u1ec7 th\u1ed1ng \u1ed1ng ti\u00eam.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1eb7t \u0111\u1ea7u kim c\u00e1ch b\u1ec1 m\u1eb7t m\u1eabu 1-2mm. T\u1ea1o m\u1ed9t gi\u1ecdt nh\u1ecf gi\u1ecdt t\u1ea1i \u0111\u1ea7u kim v\u1edbi th\u1ec3 t\u00edch mong mu\u1ed1n \u2013 th\u01b0\u1eddng l\u00e0 6 microlit cho h\u1ea7u h\u1ebft c\u00e1c \u1ee9ng d\u1ee5ng.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">T\u1eeb t\u1eeb n\u00e2ng b\u1ec7 m\u1eabu l\u00ean cho \u0111\u1ebfn khi ch\u1ea1m v\u00e0o \u0111\u00e1y gi\u1ecdt n\u01b0\u1edbc. Di chuy\u1ec3n \u0111\u1ec1u \u0111\u1eb7n \u0111\u1ec3 tr\u00e1nh va ch\u1ea1m c\u00f3 th\u1ec3 l\u00e0m bi\u1ebfn d\u1ea1ng h\u00ecnh d\u1ea1ng gi\u1ecdt n\u01b0\u1edbc cu\u1ed1i c\u00f9ng.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Nh\u1eb9 nh\u00e0ng h\u1ea1 b\u1ec7 m\u1eabu xu\u1ed1ng, \u0111\u1ec3 gi\u1ecdt m\u1eabu n\u1eb1m y\u00ean tr\u00ean b\u1ec1 m\u1eb7t. Gi\u1ecdt m\u1eabu ph\u1ea3i gi\u1eef \u0111\u01b0\u1ee3c h\u00ecnh d\u1ea1ng \u1ed5n \u0111\u1ecbnh, \u0111\u1ed1i x\u1ee9ng v\u00e0 kh\u00f4ng b\u1ecb d\u1ecbch chuy\u1ec3n tr\u00ean b\u1ec1 m\u1eb7t.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">B\u1eaft \u0111\u1ea7u t\u00ednh th\u1eddi gian ngay sau khi l\u1eafng \u0111\u1ecdng gi\u1ecdt. H\u1ea7u h\u1ebft <strong>Ki\u1ec3m tra g\u00f3c ti\u1ebfp x\u00fac ASTM s\u1eed d\u1ee5ng n\u01b0\u1edbc<\/strong> c\u00e1c giao th\u1ee9c y\u00eau c\u1ea7u \u0111o l\u01b0\u1eddng trong v\u00f2ng 10-15 gi\u00e2y \u0111\u1ec3 gi\u1ea3m thi\u1ec3u t\u00e1c \u0111\u1ed9ng b\u1ed1c h\u01a1i.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>B\u01b0\u1edbc 3: Ch\u1ee5p v\u00e0 ph\u00e2n t\u00edch h\u00ecnh \u1ea3nh<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Ch\u1ee5p \u1ea3nh gi\u1ecdt n\u01b0\u1edbc b\u1eb1ng h\u1ec7 th\u1ed1ng camera c\u1ee7a m\u00e1y \u0111o g\u00f3c trong khung th\u1eddi gian quy \u0111\u1ecbnh. \u0110\u1ea3m b\u1ea3o \u00e1nh s\u00e1ng ph\u00f9 h\u1ee3p gi\u00fap lo\u1ea1i b\u1ecf b\u00f3ng t\u1ed1i v\u00e0 cho h\u00ecnh \u1ea3nh r\u00f5 n\u00e9t v\u1ec1 c\u1ea1nh gi\u1ecdt n\u01b0\u1edbc.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">S\u1eed d\u1ee5ng ph\u1ea7n m\u1ec1m c\u1ee7a thi\u1ebft b\u1ecb \u0111\u1ec3 ph\u00e2n t\u00edch h\u00ecnh d\u1ea1ng gi\u1ecdt. H\u1ea7u h\u1ebft c\u00e1c h\u1ec7 th\u1ed1ng \u0111\u1ec1u s\u1eed d\u1ee5ng thu\u1eadt to\u00e1n kh\u1edbp to\u00e1n h\u1ecdc \u0111\u1ec3 t\u00ednh to\u00e1n g\u00f3c ti\u1ebfp x\u00fac d\u1ef1a tr\u00ean h\u00ecnh d\u1ea1ng h\u00ecnh h\u1ecdc v\u00e0 giao \u0111i\u1ec3m \u0111\u01b0\u1eddng c\u01a1 s\u1edf c\u1ee7a gi\u1ecdt.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ki\u1ec3m tra xem ph\u1ea7n m\u1ec1m c\u00f3 nh\u1eadn d\u1ea1ng ch\u00ednh x\u00e1c c\u00e1c c\u1ea1nh v\u00e0 \u0111\u01b0\u1eddng c\u01a1 s\u1edf c\u1ee7a gi\u1ecdt n\u01b0\u1edbc hay kh\u00f4ng. C\u00f3 th\u1ec3 c\u1ea7n ph\u1ea3i \u0111i\u1ec1u ch\u1ec9nh th\u1ee7 c\u00f4ng n\u1ebfu ch\u1ee9c n\u0103ng ph\u00e1t hi\u1ec7n t\u1ef1 \u0111\u1ed9ng kh\u00f4ng ho\u1ea1t \u0111\u1ed9ng do \u0111\u1ed9 t\u01b0\u01a1ng ph\u1ea3n k\u00e9m ho\u1eb7c b\u1ec1 m\u1eb7t kh\u00f4ng \u0111\u1ed3ng \u0111\u1ec1u.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ghi l\u1ea1i gi\u00e1 tr\u1ecb g\u00f3c ti\u1ebfp x\u00fac \u0111o \u0111\u01b0\u1ee3c c\u00f9ng v\u1edbi th\u1ec3 t\u00edch gi\u1ecdt, th\u1eddi gian \u0111o v\u00e0 \u0111i\u1ec1u ki\u1ec7n m\u00f4i tr\u01b0\u1eddng. Th\u1ef1c hi\u1ec7n nhi\u1ec1u ph\u00e9p \u0111o t\u1ea1i c\u00e1c v\u1ecb tr\u00ed kh\u00e1c nhau tr\u00ean b\u1ec1 m\u1eb7t m\u1eabu.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">L\u1eb7p l\u1ea1i quy tr\u00ecnh \u0111o \u00edt nh\u1ea5t 5-10 l\u1ea7n cho m\u1ed7i m\u1eabu \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 tin c\u1eady v\u1ec1 m\u1eb7t th\u1ed1ng k\u00ea. \u0110\u1eb7t c\u00e1c \u0111i\u1ec3m \u0111o c\u00e1ch nhau \u00edt nh\u1ea5t 25mm \u0111\u1ec3 tr\u00e1nh nhi\u1ec5u gi\u1eefa c\u00e1c v\u1ecb tr\u00ed th\u1eed nghi\u1ec7m.<\/p>\n\n\n\n<div class=\"wp-block-buttons is-content-justification-center is-layout-flex wp-container-core-buttons-is-layout-fe48e5de wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link has-vivid-green-cyan-background-color has-background wp-element-button\" href=\"https:\/\/www.keylinktech.com\/vi\/contact\/\" target=\"_blank\" rel=\"noreferrer noopener\">Nh\u1eadn b\u00e1o gi\u00e1 mi\u1ec5n ph\u00ed<\/a><\/div>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Nh\u1eefng c\u1ea1m b\u1eaby ph\u1ed5 bi\u1ebfn v\u00e0 c\u00e1ch tr\u00e1nh ch\u00fang<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c <strong>ph\u01b0\u01a1ng ph\u00e1p ki\u1ec3m tra g\u00f3c ti\u1ebfp x\u00fac<\/strong> c\u00f3 th\u1ec3 t\u1ea1o ra k\u1ebft qu\u1ea3 kh\u00f4ng nh\u1ea5t qu\u00e1n n\u1ebfu kh\u00f4ng ch\u00fa \u00fd \u0111\u00fang m\u1ee9c \u0111\u1ebfn c\u00e1c ngu\u1ed3n l\u1ed7i ph\u1ed5 bi\u1ebfn.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>C\u00e1c v\u1ea5n \u0111\u1ec1 ki\u1ec3m so\u00e1t nhi\u1ec7t \u0111\u1ed9<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Bi\u1ebfn \u0111\u1ed9ng nhi\u1ec7t \u0111\u1ed9 trong qu\u00e1 tr\u00ecnh th\u1eed nghi\u1ec7m c\u00f3 th\u1ec3 l\u00e0m thay \u0111\u1ed5i s\u1ee9c c\u0103ng b\u1ec1 m\u1eb7t ch\u1ea5t l\u1ecfng v\u00e0 h\u00e0nh vi c\u1ee7a gi\u1ecdt. Duy tr\u00ec nhi\u1ec7t \u0111\u1ed9 ph\u00f2ng \u1edf m\u1ee9c 23\u00b12\u00b0C trong su\u1ed1t th\u1eddi gian \u0111o v\u00e0 \u0111\u1ec3 thi\u1ebft b\u1ecb \u1ed5n \u0111\u1ecbnh.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>V\u1ea5n \u0111\u1ec1 \u00f4 nhi\u1ec5m<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Ch\u1ea5t l\u1ecfng th\u1eed nghi\u1ec7m b\u1ecb nhi\u1ec5m b\u1ea9n s\u1ebd t\u1ea1o ra k\u1ebft qu\u1ea3 kh\u00f4ng nh\u1ea5t qu\u00e1n. H\u00e3y thay n\u01b0\u1edbc kh\u1eed ion th\u01b0\u1eddng xuy\u00ean v\u00e0 ki\u1ec3m tra s\u1ee9c c\u0103ng b\u1ec1 m\u1eb7t c\u1ee7a n\u01b0\u1edbc tr\u01b0\u1edbc m\u1ed7i l\u1ea7n th\u1eed nghi\u1ec7m b\u1eb1ng c\u00e1ch \u0111o \u0111\u1ed9 r\u01a1i c\u1ee7a gi\u1ecdt n\u01b0\u1edbc.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Bi\u1ebfn th\u1ec3 th\u1ec3 t\u00edch gi\u1ecdt<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Th\u1ec3 t\u00edch gi\u1ecdt kh\u00f4ng ch\u00ednh x\u00e1c s\u1ebd \u1ea3nh h\u01b0\u1edfng \u0111\u00e1ng k\u1ec3 \u0111\u1ebfn gi\u00e1 tr\u1ecb g\u00f3c ti\u1ebfp x\u00fac. H\u00e3y hi\u1ec7u chu\u1ea9n h\u1ec7 th\u1ed1ng ph\u00e2n ph\u1ed1i th\u01b0\u1eddng xuy\u00ean v\u00e0 ki\u1ec3m tra k\u00edch th\u01b0\u1edbc gi\u1ecdt b\u1eb1ng m\u1eaft th\u01b0\u1eddng tr\u01b0\u1edbc khi r\u00f3t.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>C\u00e1c v\u1ea5n \u0111\u1ec1 v\u1ec1 ch\u1ea5t l\u01b0\u1ee3ng b\u1ec1 m\u1eb7t<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ed9 nh\u00e1m b\u1ec1 m\u1eb7t t\u1ea1o ra s\u1ef1 bi\u1ebfn thi\u00ean trong ph\u00e9p \u0111o. H\u00e3y ch\u1ecdn nh\u1eefng v\u00f9ng nh\u1eb5n, \u0111\u1ea1i di\u1ec7n \u0111\u1ec3 th\u1eed nghi\u1ec7m v\u00e0 tr\u00e1nh c\u00e1c khuy\u1ebft t\u1eadt b\u1ec1 m\u1eb7t, v\u1ebft x\u01b0\u1edbc ho\u1eb7c v\u00f9ng b\u1ecb nhi\u1ec5m b\u1ea9n.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u0110\u1ed9 \u1ed5n \u0111\u1ecbnh c\u1ee7a thi\u1ebft b\u1ecb<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Rung \u0111\u1ed9ng trong qu\u00e1 tr\u00ecnh \u0111o c\u00f3 th\u1ec3 l\u00e0m gi\u1ea3m \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh c\u1ee7a gi\u1ecdt n\u01b0\u1edbc. \u0110\u1ea3m b\u1ea3o m\u00e1y \u0111o g\u00f3c \u0111\u01b0\u1ee3c \u0111\u1eb7t tr\u00ean b\u1ec1 m\u1eb7t \u1ed5n \u0111\u1ecbnh, tr\u00e1nh xa l\u1ed1i \u0111i l\u1ea1i v\u00e0 thi\u1ebft b\u1ecb t\u1ea1o ra rung \u0111\u1ed9ng.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>B\u00e1o c\u00e1o k\u1ebft qu\u1ea3 c\u1ee7a b\u1ea1n theo h\u01b0\u1edbng d\u1eabn c\u1ee7a ASTM<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Vi\u1ec7c l\u1eadp t\u00e0i li\u1ec7u ph\u00f9 h\u1ee3p s\u1ebd \u0111\u1ea3m b\u1ea3o ph\u00e9p \u0111o g\u00f3c ti\u1ebfp x\u00fac c\u1ee7a b\u1ea1n \u0111\u00e1p \u1ee9ng c\u00e1c y\u00eau c\u1ea7u tu\u00e2n th\u1ee7 ASTM v\u00e0 mang l\u1ea1i gi\u00e1 tr\u1ecb cho c\u00e1c quy\u1ebft \u0111\u1ecbnh ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u0110i\u1ec1u ki\u1ec7n ki\u1ec3m tra b\u1eaft bu\u1ed9c:<\/strong> Ghi l\u1ea1i nhi\u1ec7t \u0111\u1ed9, \u0111\u1ed9 \u1ea9m t\u01b0\u01a1ng \u0111\u1ed1i v\u00e0 \u00e1p su\u1ea5t kh\u00ed quy\u1ec3n trong t\u1ea5t c\u1ea3 c\u00e1c ph\u00e9p \u0111o. Ti\u00eau chu\u1ea9n ASTM y\u00eau c\u1ea7u d\u1eef li\u1ec7u m\u00f4i tr\u01b0\u1eddng n\u00e0y \u0111\u1ec3 b\u00e1o c\u00e1o \u0111\u1ea7y \u0111\u1ee7.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Ph\u00e2n t\u00edch th\u1ed1ng k\u00ea:<\/strong> B\u00e1o c\u00e1o c\u00e1c ph\u00e9p \u0111o g\u00f3c ti\u1ebfp x\u00fac ri\u00eang l\u1ebb c\u00f9ng v\u1edbi gi\u00e1 tr\u1ecb trung b\u00ecnh, \u0111\u1ed9 l\u1ec7ch chu\u1ea9n v\u00e0 t\u1ed5ng s\u1ed1 ph\u00e9p \u0111o cho m\u1ed7i m\u1eabu \u0111\u01b0\u1ee3c th\u1eed nghi\u1ec7m.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>T\u00e0i li\u1ec7u thi\u1ebft b\u1ecb:<\/strong> X\u00e1c \u0111\u1ecbnh ti\u00eau chu\u1ea9n ASTM c\u1ee5 th\u1ec3 \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng (ch\u1eb3ng h\u1ea1n nh\u01b0 D5946 \u0111\u1ed1i v\u1edbi m\u00e0ng polyme) v\u00e0 ghi ch\u00fa b\u1ea5t k\u1ef3 sai l\u1ec7ch n\u00e0o so v\u1edbi quy tr\u00ecnh ti\u00eau chu\u1ea9n. Bao g\u1ed3m ng\u00e0y hi\u1ec7u chu\u1ea9n thi\u1ebft b\u1ecb v\u00e0 k\u1ebft qu\u1ea3 x\u00e1c minh ch\u1ea5t l\u1ecfng th\u1eed nghi\u1ec7m.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Ph\u00e2n lo\u1ea1i x\u1eed l\u00fd b\u1ec1 m\u1eb7t:<\/strong> S\u1eed d\u1ee5ng c\u00e1c ph\u1ea1m vi g\u00f3c ti\u1ebfp x\u00fac \u0111\u00e3 \u0111\u01b0\u1ee3c thi\u1ebft l\u1eadp \u0111\u1ec3 ph\u00e2n lo\u1ea1i hi\u1ec7u qu\u1ea3 x\u1eed l\u00fd. C\u00e1c b\u1ec1 m\u1eb7t ch\u01b0a x\u1eed l\u00fd th\u01b0\u1eddng c\u00f3 g\u00f3c tr\u00ean 90\u00b0, trong khi c\u00e1c b\u1ec1 m\u1eb7t \u0111\u00e3 x\u1eed l\u00fd c\u00f3 g\u00f3c th\u1ea5p d\u1ea7n, cho th\u1ea5y kh\u1ea3 n\u0103ng th\u1ea5m \u01b0\u1edbt \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Th\u00f4ng tin m\u1eabu:<\/strong> Bao g\u1ed3m th\u00f4ng tin nh\u1eadn d\u1ea1ng m\u1eabu \u0111\u1ea7y \u0111\u1ee7, ph\u01b0\u01a1ng ph\u00e1p chu\u1ea9n b\u1ecb v\u00e0 b\u1ea5t k\u1ef3 ph\u01b0\u01a1ng ph\u00e1p x\u1eed l\u00fd b\u1ec1 m\u1eb7t n\u00e0o \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng tr\u01b0\u1edbc khi th\u1eed nghi\u1ec7m. Th\u00f4ng tin n\u00e0y gi\u00fap ng\u01b0\u1eddi kh\u00e1c di\u1ec5n gi\u1ea3i k\u1ebft qu\u1ea3 v\u00e0 t\u00e1i t\u1ea1o c\u00e1c \u0111i\u1ec1u ki\u1ec7n th\u1eed nghi\u1ec7m.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Ph\u1ea7n k\u1ebft lu\u1eadn<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Vi\u1ec7c tu\u00e2n th\u1ee7 \u0111\u00fang quy tr\u00ecnh ASTM \u0111\u1ec3 ki\u1ec3m tra g\u00f3c ti\u1ebfp x\u00fac \u0111\u1ea3m b\u1ea3o \u0111o l\u01b0\u1eddng \u0111\u00e1ng tin c\u1eady kh\u1ea3 n\u0103ng th\u1ea5m \u01b0\u1edbt b\u1ec1 m\u1eb7t v\u00e0 hi\u1ec7u qu\u1ea3 x\u1eed l\u00fd. Th\u00e0nh c\u00f4ng ph\u1ee5 thu\u1ed9c v\u00e0o vi\u1ec7c duy tr\u00ec c\u00e1c \u0111i\u1ec1u ki\u1ec7n m\u00f4i tr\u01b0\u1eddng \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t, s\u1eed d\u1ee5ng thi\u1ebft b\u1ecb hi\u1ec7u chu\u1ea9n v\u00e0 tu\u00e2n th\u1ee7 c\u00e1c k\u1ef9 thu\u1eadt chu\u1ea9n b\u1ecb m\u1eabu.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>","protected":false},"excerpt":{"rendered":"<p>The ASTM contact angle test involves preparing your sample, dispensing a water droplet, capturing an image, and measuring the contact angle using specialized software under controlled environmental conditions. Why are ASTM Standards Important for Contact Angle Measurement? ASTM standards establish consistent protocols that ensure reliable, comparable results across different laboratories and applications. The contact angle […]<\/p>\n","protected":false},"author":3,"featured_media":5153,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[124],"tags":[],"class_list":["post-5148","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-contact-angle"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>ASTM Contact Angle Test: Complete Step-by-Step Guide | KeyLink<\/title>\n<meta name=\"description\" content=\"Learn the complete ASTM contact angle test procedure with our step-by-step guide. Includes equipment setup, sample prep, and result analysis.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.keylinktech.com\/vi\/blog\/contact-angle\/guide-to-astm-contact-angle-test\/\" \/>\n<meta property=\"og:locale\" content=\"vi_VN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"ASTM Contact Angle Test: Complete Step-by-Step Guide | KeyLink\" \/>\n<meta property=\"og:description\" content=\"Learn the complete ASTM contact angle test procedure with our step-by-step guide. 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