{"id":9221,"date":"2026-01-14T03:14:16","date_gmt":"2026-01-14T03:14:16","guid":{"rendered":"https:\/\/yenhung.com\/?p=9221"},"modified":"2026-01-14T06:58:54","modified_gmt":"2026-01-14T06:58:54","slug":"iso-vg-la-gi-huong-dan-lua-chon-do-nhot-iso-vg-32-46-68-100","status":"publish","type":"post","link":"https:\/\/yenhung.com\/?p=9221","title":{"rendered":"ISO VG l\u00e0 g\u00ec? H\u01b0\u1edbng d\u1eabn l\u1ef1a ch\u1ecdn \u0111\u1ed9 nh\u1edbt ISO VG 32 \u2013 46 \u2013 68 \u2013 100"},"content":{"rendered":"\t<div id=\"text-2667557328\" class=\"text\">\n\t\t\n<h2 data-start=\"222\" data-end=\"319\"><strong data-start=\"222\" data-end=\"319\">ISO VG l\u00e0 g\u00ec? H\u01b0\u1edbng d\u1eabn l\u1ef1a ch\u1ecdn \u0111\u1ed9 nh\u1edbt ISO VG 32 \u2013 46 \u2013 68 \u2013 100\u00a0<\/strong><\/h2>\n<p data-start=\"321\" data-end=\"788\">Trong l\u0129nh v\u1ef1c b\u00f4i tr\u01a1n c\u00f4ng nghi\u1ec7p, ISO VG l\u00e0 m\u1ed9t trong nh\u1eefng th\u00f4ng s\u1ed1 quan tr\u1ecdng nh\u1ea5t \u0111\u1ec3 l\u1ef1a ch\u1ecdn d\u1ea7u ph\u00f9 h\u1ee3p cho thi\u1ebft b\u1ecb. Tuy nhi\u00ean, tr\u00ean th\u1ef1c t\u1ebf nhi\u1ec1u ng\u01b0\u1eddi s\u1eed d\u1ee5ng v\u1eabn nh\u1ea7m l\u1eabn ISO VG ch\u1ec9 l\u00e0 m\u1ed9t con s\u1ed1 tham kh\u1ea3o, trong khi \u0111\u00e2y l\u00e0 ti\u00eau ch\u00ed k\u1ef9 thu\u1eadt \u1ea3nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn hi\u1ec7u su\u1ea5t v\u1eadn h\u00e0nh, m\u1ee9c \u0111\u1ed9 m\u00e0i m\u00f2n v\u00e0 tu\u1ed5i th\u1ecd m\u00e1y m\u00f3c. Vi\u1ec7c hi\u1ec3u \u0111\u00fang ISO VG v\u00e0 \u00e1p d\u1ee5ng \u0111\u00fang trong t\u1eebng \u0111i\u1ec1u ki\u1ec7n l\u00e0m vi\u1ec7c l\u00e0 y\u00eau c\u1ea7u c\u01a1 b\u1ea3n trong b\u1ea3o tr\u00ec v\u00e0 v\u1eadn h\u00e0nh thi\u1ebft b\u1ecb c\u00f4ng nghi\u1ec7p.<\/p>\n<p data-start=\"790\" data-end=\"1305\">ISO VG l\u00e0 vi\u1ebft t\u1eaft c\u1ee7a ISO Viscosity Grade, t\u1ee9c c\u1ea5p \u0111\u1ed9 \u0111\u1ed9 nh\u1edbt theo ti\u00eau chu\u1ea9n do T\u1ed5 ch\u1ee9c Ti\u00eau chu\u1ea9n Qu\u1ed1c t\u1ebf ISO ban h\u00e0nh, \u0111\u01b0\u1ee3c quy \u0111\u1ecbnh trong ti\u00eau chu\u1ea9n ISO 3448. Ch\u1ec9 s\u1ed1 ISO VG th\u1ec3 hi\u1ec7n \u0111\u1ed9 nh\u1edbt \u0111\u1ed9ng h\u1ecdc c\u1ee7a d\u1ea7u t\u1ea1i nhi\u1ec7t \u0111\u1ed9 chu\u1ea9n 40\u00b0C, \u0111\u01a1n v\u1ecb \u0111o l\u00e0 centistokes (cSt). V\u00ed d\u1ee5, d\u1ea7u ISO VG 32 c\u00f3 \u0111\u1ed9 nh\u1edbt danh \u0111\u1ecbnh kho\u1ea3ng 32 cSt \u1edf 40\u00b0C, ISO VG 46 t\u01b0\u01a1ng \u1ee9ng kho\u1ea3ng 46 cSt, ISO VG 68 l\u00e0 68 cSt v\u00e0 ISO VG 100 l\u00e0 100 cSt. Theo ti\u00eau chu\u1ea9n, \u0111\u1ed9 nh\u1edbt th\u1ef1c t\u1ebf c\u1ee7a d\u1ea7u \u0111\u01b0\u1ee3c ph\u00e9p dao \u0111\u1ed9ng trong kho\u1ea3ng \u00b110% so v\u1edbi gi\u00e1 tr\u1ecb c\u00f4ng b\u1ed1.<\/p>\n<p data-start=\"790\" data-end=\"1305\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-9222 \" src=\"https:\/\/yenhung.com\/wp-content\/uploads\/2026\/01\/iso-vg.png\" alt=\"\" width=\"321\" height=\"293\" srcset=\"https:\/\/yenhung.com\/wp-content\/uploads\/2026\/01\/iso-vg.png 1066w, https:\/\/yenhung.com\/wp-content\/uploads\/2026\/01\/iso-vg-300x274.png 300w, https:\/\/yenhung.com\/wp-content\/uploads\/2026\/01\/iso-vg-1024x935.png 1024w, https:\/\/yenhung.com\/wp-content\/uploads\/2026\/01\/iso-vg-768x701.png 768w, https:\/\/yenhung.com\/wp-content\/uploads\/2026\/01\/iso-vg-600x548.png 600w\" sizes=\"auto, (max-width: 321px) 100vw, 321px\" \/><\/p>\n<p data-start=\"1307\" data-end=\"1716\">\u0110\u1ed9 nh\u1edbt l\u00e0 y\u1ebfu t\u1ed1 quy\u1ebft \u0111\u1ecbnh kh\u1ea3 n\u0103ng h\u00ecnh th\u00e0nh v\u00e0 duy tr\u00ec m\u00e0ng d\u1ea7u b\u00f4i tr\u01a1n gi\u1eefa c\u00e1c b\u1ec1 m\u1eb7t kim lo\u1ea1i. N\u1ebfu \u0111\u1ed9 nh\u1edbt qu\u00e1 th\u1ea5p, m\u00e0ng d\u1ea7u m\u1ecfng, d\u1ec5 b\u1ecb ph\u00e1 v\u1ee1, d\u1eabn \u0111\u1ebfn m\u00e0i m\u00f2n v\u00e0 h\u01b0 h\u1ecfng b\u1ec1 m\u1eb7t. Ng\u01b0\u1ee3c l\u1ea1i, n\u1ebfu \u0111\u1ed9 nh\u1edbt qu\u00e1 cao, d\u1ea7u kh\u00f3 l\u01b0u th\u00f4ng, g\u00e2y t\u1ed5n th\u1ea5t n\u0103ng l\u01b0\u1ee3ng, sinh nhi\u1ec7t v\u00e0 l\u00e0m gi\u1ea3m hi\u1ec7u su\u1ea5t h\u1ec7 th\u1ed1ng. Do \u0111\u00f3, l\u1ef1a ch\u1ecdn ISO VG lu\u00f4n l\u00e0 s\u1ef1 c\u00e2n b\u1eb1ng gi\u1eefa t\u1ed1c \u0111\u1ed9, t\u1ea3i tr\u1ecdng v\u00e0 nhi\u1ec7t \u0111\u1ed9 l\u00e0m vi\u1ec7c c\u1ee7a thi\u1ebft b\u1ecb.<\/p>\n<p data-start=\"1718\" data-end=\"2119\">ISO VG 32 l\u00e0 c\u1ea5p \u0111\u1ed9 nh\u1edbt th\u1ea5p, th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho c\u00e1c h\u1ec7 th\u1ed1ng l\u00e0m vi\u1ec7c \u1edf t\u1ed1c \u0111\u1ed9 cao v\u00e0 t\u1ea3i nh\u1eb9. D\u1ea7u ISO VG 32 ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c h\u1ec7 th\u1ed1ng th\u1ee7y l\u1ef1c ch\u00ednh x\u00e1c, m\u00e1y CNC, tr\u1ee5c ch\u00ednh spindle ho\u1eb7c thi\u1ebft b\u1ecb v\u1eadn h\u00e0nh trong m\u00f4i tr\u01b0\u1eddng nhi\u1ec7t \u0111\u1ed9 th\u1ea5p. \u01afu \u0111i\u1ec3m c\u1ee7a lo\u1ea1i d\u1ea7u n\u00e0y l\u00e0 kh\u1ea3 n\u0103ng ch\u1ea3y t\u1ed1t, ph\u1ea3n h\u1ed3i nhanh v\u00e0 t\u1ea3n nhi\u1ec7t hi\u1ec7u qu\u1ea3, tuy nhi\u00ean kh\u00f4ng ph\u00f9 h\u1ee3p cho \u0111i\u1ec1u ki\u1ec7n t\u1ea3i l\u1edbn ho\u1eb7c nhi\u1ec7t \u0111\u1ed9 cao k\u00e9o d\u00e0i.<\/p>\n<p data-start=\"2121\" data-end=\"2537\">ISO VG 46 l\u00e0 c\u1ea5p \u0111\u1ed9 nh\u1edbt trung b\u00ecnh v\u00e0 c\u0169ng l\u00e0 lo\u1ea1i \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng ph\u1ed5 bi\u1ebfn nh\u1ea5t trong c\u00f4ng nghi\u1ec7p. Nh\u1edd kh\u1ea3 n\u0103ng c\u00e2n b\u1eb1ng t\u1ed1t gi\u1eefa b\u00f4i tr\u01a1n, truy\u1ec1n l\u1ef1c v\u00e0 t\u1ea3n nhi\u1ec7t, ISO VG 46 ph\u00f9 h\u1ee3p v\u1edbi \u0111a s\u1ed1 h\u1ec7 th\u1ed1ng th\u1ee7y l\u1ef1c nh\u00e0 x\u01b0\u1edfng, m\u00e1y \u00e9p, m\u00e1y d\u1eadp v\u00e0 thi\u1ebft b\u1ecb x\u00e2y d\u1ef1ng l\u00e0m vi\u1ec7c trong \u0111i\u1ec1u ki\u1ec7n ti\u00eau chu\u1ea9n. Trong nhi\u1ec1u tr\u01b0\u1eddng h\u1ee3p, ISO VG 46 \u0111\u01b0\u1ee3c xem l\u00e0 l\u1ef1a ch\u1ecdn \u201cm\u1eb7c \u0111\u1ecbnh\u201d khi kh\u00f4ng c\u00f3 y\u00eau c\u1ea7u \u0111\u1eb7c bi\u1ec7t v\u1ec1 t\u1ed1c \u0111\u1ed9 ho\u1eb7c t\u1ea3i tr\u1ecdng.<\/p>\n<p data-start=\"2539\" data-end=\"2926\">ISO VG 68 c\u00f3 \u0111\u1ed9 nh\u1edbt cao h\u01a1n, t\u1ea1o m\u00e0ng d\u1ea7u d\u00e0y v\u00e0 \u1ed5n \u0111\u1ecbnh h\u01a1n khi thi\u1ebft b\u1ecb l\u00e0m vi\u1ec7c \u1edf t\u1ea3i n\u1eb7ng ho\u1eb7c m\u00f4i tr\u01b0\u1eddng nhi\u1ec7t \u0111\u1ed9 cao. D\u1ea7u ISO VG 68 th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho h\u1ed9p s\u1ed1 c\u00f4ng nghi\u1ec7p, \u1ed5 tr\u01b0\u1ee3t, b\u0103ng t\u1ea3i v\u00e0 m\u00e1y \u00e9p t\u1ea3i l\u1edbn. Trong c\u00e1c nh\u00e0 m\u00e1y c\u00f3 nhi\u1ec7t \u0111\u1ed9 m\u00f4i tr\u01b0\u1eddng cao ho\u1eb7c thi\u1ebft b\u1ecb th\u01b0\u1eddng xuy\u00ean ch\u1ecbu t\u1ea3i l\u1edbn, vi\u1ec7c l\u1ef1a ch\u1ecdn ISO VG 68 gi\u00fap gi\u1ea3m m\u00e0i m\u00f2n v\u00e0 t\u0103ng \u0111\u1ed9 b\u1ec1n cho c\u00e1c chi ti\u1ebft ma s\u00e1t.<\/p>\n<p data-start=\"2928\" data-end=\"3269\">ISO VG 100 l\u00e0 c\u1ea5p \u0111\u1ed9 nh\u1edbt cao, ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c thi\u1ebft b\u1ecb t\u1ed1c \u0111\u1ed9 th\u1ea5p nh\u01b0ng ch\u1ecbu t\u1ea3i r\u1ea5t l\u1edbn. \u1ee8ng d\u1ee5ng \u0111i\u1ec3n h\u00ecnh c\u1ee7a ISO VG 100 bao g\u1ed3m h\u1ed9p s\u1ed1 t\u1ea3i n\u1eb7ng, m\u00e1y nghi\u1ec1n, m\u00e1y c\u00e1n th\u00e9p v\u00e0 c\u00e1c \u1ed5 tr\u01b0\u1ee3t k\u00edch th\u01b0\u1edbc l\u1edbn. Do d\u1ea7u kh\u00e1 \u0111\u1eb7c, ISO VG 100 kh\u00f4ng th\u00edch h\u1ee3p cho c\u00e1c h\u1ec7 th\u1ed1ng t\u1ed1c \u0111\u1ed9 cao v\u00ec c\u00f3 th\u1ec3 g\u00e2y t\u1ed5n hao n\u0103ng l\u01b0\u1ee3ng v\u00e0 l\u00e0m t\u0103ng nhi\u1ec7t \u0111\u1ed9 v\u1eadn h\u00e0nh.<\/p>\n<p data-start=\"3271\" data-end=\"3865\">Trong th\u1ef1c t\u1ebf k\u1ef9 thu\u1eadt, vi\u1ec7c l\u1ef1a ch\u1ecdn ISO VG n\u00ean \u01b0u ti\u00ean theo khuy\u1ebfn ngh\u1ecb c\u1ee7a nh\u00e0 s\u1ea3n xu\u1ea5t thi\u1ebft b\u1ecb v\u00ec \u0111\u00e2y l\u00e0 c\u01a1 s\u1edf \u0111\u00e3 \u0111\u01b0\u1ee3c t\u00ednh to\u00e1n d\u1ef1a tr\u00ean thi\u1ebft k\u1ebf c\u01a1 kh\u00ed v\u00e0 \u0111i\u1ec1u ki\u1ec7n v\u1eadn h\u00e0nh. Ngo\u00e0i ra, c\u00f3 th\u1ec3 tham kh\u1ea3o th\u00eam nhi\u1ec7t \u0111\u1ed9 d\u1ea7u khi h\u1ec7 th\u1ed1ng ho\u1ea1t \u0111\u1ed9ng \u1ed5n \u0111\u1ecbnh. Th\u00f4ng th\u01b0\u1eddng, nhi\u1ec7t \u0111\u1ed9 d\u1ea7u d\u01b0\u1edbi 50\u00b0C ph\u00f9 h\u1ee3p v\u1edbi ISO VG 32, t\u1eeb 50 \u0111\u1ebfn 70\u00b0C ph\u00f9 h\u1ee3p v\u1edbi ISO VG 46, t\u1eeb 70 \u0111\u1ebfn 85\u00b0C n\u00ean d\u00f9ng ISO VG 68 v\u00e0 tr\u00ean 85\u00b0C c\u00f3 th\u1ec3 c\u00e2n nh\u1eafc ISO VG 100. C\u00e1c d\u1ea5u hi\u1ec7u nh\u01b0 d\u1ea7u n\u00f3ng nhanh, m\u00f2n b\u01a1m th\u01b0\u1eddng li\u00ean quan \u0111\u1ebfn vi\u1ec7c ch\u1ecdn d\u1ea7u qu\u00e1 lo\u00e3ng, trong khi m\u00e1y ch\u1ea1y \u00ec v\u00e0 t\u1ed1n \u0111i\u1ec7n th\u01b0\u1eddng xu\u1ea5t ph\u00e1t t\u1eeb vi\u1ec7c ch\u1ecdn d\u1ea7u qu\u00e1 \u0111\u1eb7c.<\/p>\n<p data-start=\"3271\" data-end=\"3865\"><strong>C\u1ea7n t\u01b0 v\u1ea5n v\u1ec1 d\u1ea7u m\u1ee1 nh\u1eddn li\u00ean h\u1ec7 ngay: Mr Long &#8211; 0397433258<\/strong><\/p>\n\t\t\n<style>\n#text-2667557328 {\n  line-height: 1.5;\n}\n<\/style>\n\t<\/div>\n\t\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-9221","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/yenhung.com\/index.php?rest_route=\/wp\/v2\/posts\/9221","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/yenhung.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/yenhung.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/yenhung.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/yenhung.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=9221"}],"version-history":[{"count":3,"href":"https:\/\/yenhung.com\/index.php?rest_route=\/wp\/v2\/posts\/9221\/revisions"}],"predecessor-version":[{"id":9227,"href":"https:\/\/yenhung.com\/index.php?rest_route=\/wp\/v2\/posts\/9221\/revisions\/9227"}],"wp:attachment":[{"href":"https:\/\/yenhung.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=9221"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/yenhung.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=9221"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/yenhung.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=9221"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}