{"id":18380,"date":"2025-08-05T12:25:14","date_gmt":"2025-08-05T12:25:14","guid":{"rendered":"https:\/\/www.qualtechproductsindustry.com\/bs-3900british-standardfilm-tests-resistance-to-solvent-rubbing-rub-test-similar-to-mek-test-discuss-the-specific-use-and-purpose-you-can-write-extensively-about-what-a-particular-astm-test-m\/"},"modified":"2025-10-19T13:20:11","modified_gmt":"2025-10-19T13:20:11","slug":"prawf-rhwbio-bs-3900-i-mek","status":"publish","type":"post","link":"https:\/\/www.qualtechproductsindustry.com\/cy\/bs-3900-rub-to-mek-test\/","title":{"rendered":"Profion Ffilm Safon Prydain BS 3900: Eglurhad ar Wrthwynebiad i Rwbio Toddyddion"},"content":{"rendered":"<p>Pan fydd angen i chi brofi pa mor dda y mae paent neu orchudd yn gwrthsef \u0d15\u0d4a\u0d32\u0d4d\u0d32i difrod cemegol, mae BS 3900 yn darparu'r dull safonol y gallwch ymddiried ynddo. Mae'r prawf Safon Brydeinig hwn yn mesur sut mae haenau'n dal i fyny wrth gael eu rhwbio \u00e2 thoddyddion, gan roi data clir i chi am wydnwch a pherfformiad. Mae'r prawf yn gweithio'n debyg iawn i'r rhwbiad MEK (methyl ethyl ketone) poblogaidd\u2026 <\/p>\n<div class=\"pmpro\">\n<div class=\"pmpro_card pmpro_content_message\">\n<h2 class=\"pmpro_card_title pmpro_font-large\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"24\" height=\"24\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"var(--pmpro--color--accent)\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\" class=\"feather feather-lock\"><rect x=\"3\" y=\"11\" width=\"18\" height=\"11\" rx=\"2\" ry=\"2\"><\/rect><path d=\"M7 11V7a5 5 0 0 1 10 0v4\"><\/path><\/svg>Mae Angen Aelodaeth o'r Casgliad Mewnwelediadau a Chomentar<\/h2>\n<div class=\"pmpro_card_content\">\n<p> Rhaid i chi fod yn aelod o Gasgliad Mewnwelediadau a Chomentrau i gael mynediad at y cynnwys hwn.<\/p>\n<p><a class=\"pmpro_btn\" href=\"https:\/\/www.qualtechproductsindustry.com\/cy\/membership-checkout\/?pmpro_level=1\">Ymuno nawr<\/a><\/p>\n<\/div>\n<div class=\"pmpro_card_actions pmpro_font-medium\">Yn aelod yn barod? <a href=\"https:\/\/www.qualtechproductsindustry.com\/cy\/login\/?redirect_to=https%3A%2F%2Fwww.qualtechproductsindustry.com%2Fcy%2Fbs-3900-rub-to-mek-test%2F\">Mewngofnodwch yma<\/a><\/div>\n<\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>When you need to test how well paint or coating resists chemical damage, BS 3900 provides the standard method you can trust. This British Standard test measures how coatings hold up when rubbed with solvents, giving you clear data about durability and performance. The test works much like the popular MEK (methyl ethyl ketone) rub... <\/p>\n<div class=\"pmpro\"><div class=\"pmpro_card pmpro_content_message\"><h2 class=\"pmpro_card_title pmpro_font-large\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"24\" height=\"24\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"var(--pmpro--color--accent)\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\" class=\"feather feather-lock\"><rect x=\"3\" y=\"11\" width=\"18\" height=\"11\" rx=\"2\" ry=\"2\"><\/rect><path d=\"M7 11V7a5 5 0 0 1 10 0v4\"><\/path><\/svg>Mae Angen Aelodaeth o'r Casgliad Mewnwelediadau a Chomentar<\/h2><div class=\"pmpro_card_content\"><p> Rhaid i chi fod yn aelod o Gasgliad Mewnwelediadau a Chomentrau i gael mynediad at y cynnwys hwn.<\/p><p><a class=\"pmpro_btn\" href=\"https:\/\/www.qualtechproductsindustry.com\/cy\/membership-checkout\/?pmpro_level=1\">Ymuno nawr<\/a><\/p><\/div><div class=\"pmpro_card_actions pmpro_font-medium\">Yn aelod yn barod? <a href=\"https:\/\/www.qualtechproductsindustry.com\/cy\/login\/?redirect_to=https%3A%2F%2Fwww.qualtechproductsindustry.com%2Fcy%2Fbs-3900-rub-to-mek-test%2F\">Mewngofnodwch yma<\/a><\/div><\/div><\/div>","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"pmpro_default_level":"","footnotes":""},"categories":[534],"tags":[],"class_list":["post-18380","post","type-post","status-publish","format-standard","hentry","category-science","pmpro-level-required","pmpro-level-1","pmpro-no-access"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>BS 3900 British Standard Film Tests: Resistance to Solvent Rubbing Explained - QUALTECH PRODUCTS INDUSTRY<\/title>\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.qualtechproductsindustry.com\/cy\/prawf-rhwbio-bs-3900-i-mek\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"BS 3900 British Standard Film Tests: Resistance to Solvent Rubbing Explained - QUALTECH PRODUCTS INDUSTRY\" \/>\n<meta property=\"og:description\" content=\"When you need to test how well paint or coating resists chemical damage, BS 3900 provides the standard method you can trust. This British Standard test measures how coatings hold up when rubbed with solvents, giving you clear data about durability and performance. The test works much like the popular MEK (methyl ethyl ketone) rub\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.qualtechproductsindustry.com\/cy\/prawf-rhwbio-bs-3900-i-mek\/\" \/>\n<meta property=\"og:site_name\" content=\"QUALTECH PRODUCTS INDUSTRY\" \/>\n<meta property=\"article:published_time\" content=\"2025-08-05T12:25:14+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-10-19T13:20:11+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/koala.sh\/api\/image\/v2-yzj3i-2uixd.jpg?width=1216&#x26;height=832&#x26;dream\" \/>\n<meta name=\"author\" content=\"QUALTECH PRODUCTS INDUSTRY Science &amp; Research\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"QUALTECH PRODUCTS INDUSTRY Science &amp; Research\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"18 munud\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.qualtechproductsindustry.com\\\/bs-3900-rub-to-mek-test\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.qualtechproductsindustry.com\\\/bs-3900-rub-to-mek-test\\\/\"},\"author\":{\"name\":\"QUALTECH PRODUCTS INDUSTRY Science &amp; Research\",\"@id\":\"https:\\\/\\\/www.qualtechproductsindustry.com\\\/#\\\/schema\\\/person\\\/f3d5d0194c89a77c5a600a2dff638d27\"},\"headline\":\"BS 3900 British Standard Film Tests: Resistance to Solvent Rubbing Explained\",\"datePublished\":\"2025-08-05T12:25:14+00:00\",\"dateModified\":\"2025-10-19T13:20:11+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/www.qualtechproductsindustry.com\\\/bs-3900-rub-to-mek-test\\\/\"},\"wordCount\":3707,\"image\":{\"@id\":\"https:\\\/\\\/www.qualtechproductsindustry.com\\\/bs-3900-rub-to-mek-test\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/koala.sh\\\/api\\\/image\\\/v2-yzj3i-2uixd.jpg?width=1216&#x26;height=832&#x26;dream\",\"articleSection\":[\"Science and Research\"],\"inLanguage\":\"cy\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.qualtechproductsindustry.com\\\/bs-3900-rub-to-mek-test\\\/\",\"url\":\"https:\\\/\\\/www.qualtechproductsindustry.com\\\/bs-3900-rub-to-mek-test\\\/\",\"name\":\"BS 3900 British Standard Film Tests: Resistance to Solvent Rubbing Explained - QUALTECH PRODUCTS INDUSTRY\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.qualtechproductsindustry.com\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/www.qualtechproductsindustry.com\\\/bs-3900-rub-to-mek-test\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/www.qualtechproductsindustry.com\\\/bs-3900-rub-to-mek-test\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/koala.sh\\\/api\\\/image\\\/v2-yzj3i-2uixd.jpg?width=1216&#x26;height=832&#x26;dream\",\"datePublished\":\"2025-08-05T12:25:14+00:00\",\"dateModified\":\"2025-10-19T13:20:11+00:00\",\"author\":{\"@id\":\"https:\\\/\\\/www.qualtechproductsindustry.com\\\/#\\\/schema\\\/person\\\/f3d5d0194c89a77c5a600a2dff638d27\"},\"breadcrumb\":{\"@id\":\"https:\\\/\\\/www.qualtechproductsindustry.com\\\/bs-3900-rub-to-mek-test\\\/#breadcrumb\"},\"inLanguage\":\"cy\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/www.qualtechproductsindustry.com\\\/bs-3900-rub-to-mek-test\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"cy\",\"@id\":\"https:\\\/\\\/www.qualtechproductsindustry.com\\\/bs-3900-rub-to-mek-test\\\/#primaryimage\",\"url\":\"https:\\\/\\\/koala.sh\\\/api\\\/image\\\/v2-yzj3i-2uixd.jpg?width=1216&#x26;height=832&#x26;dream\",\"contentUrl\":\"https:\\\/\\\/koala.sh\\\/api\\\/image\\\/v2-yzj3i-2uixd.jpg?width=1216&#x26;height=832&#x26;dream\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/www.qualtechproductsindustry.com\\\/bs-3900-rub-to-mek-test\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/www.qualtechproductsindustry.com\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"BS 3900 British Standard Film Tests: Resistance to Solvent Rubbing Explained\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/www.qualtechproductsindustry.com\\\/#website\",\"url\":\"https:\\\/\\\/www.qualtechproductsindustry.com\\\/\",\"name\":\"QUALTECH PRODUCTS INDUSTRY\",\"description\":\"Precision Test Instruments &amp; Test Equipment &amp; Production Machinery for Research &amp; Quality Management &amp; Industrial Production\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/www.qualtechproductsindustry.com\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"cy\"},{\"@type\":\"Person\",\"@id\":\"https:\\\/\\\/www.qualtechproductsindustry.com\\\/#\\\/schema\\\/person\\\/f3d5d0194c89a77c5a600a2dff638d27\",\"name\":\"QUALTECH PRODUCTS INDUSTRY Science &amp; Research\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"cy\",\"@id\":\"https:\\\/\\\/www.qualtechproductsindustry.com\\\/wp-content\\\/litespeed\\\/avatar\\\/1d2c6de4a1a94779b95d35e5b90c5a6f.jpg?ver=1786615055\",\"url\":\"https:\\\/\\\/www.qualtechproductsindustry.com\\\/wp-content\\\/litespeed\\\/avatar\\\/1d2c6de4a1a94779b95d35e5b90c5a6f.jpg?ver=1786615055\",\"contentUrl\":\"https:\\\/\\\/www.qualtechproductsindustry.com\\\/wp-content\\\/litespeed\\\/avatar\\\/1d2c6de4a1a94779b95d35e5b90c5a6f.jpg?ver=1786615055\",\"caption\":\"QUALTECH PRODUCTS INDUSTRY Science &amp; Research\"},\"sameAs\":[\"https:\\\/\\\/www.qualtechproductsindustry.com\"],\"url\":\"https:\\\/\\\/www.qualtechproductsindustry.com\\\/cy\\\/author\\\/888kaiqpirich888\\\/\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Profion Ffilm Safon Prydain BS 3900: Ymwrthedd i Rwbio Toddyddion wedi'i Esbonio - QUALTECH PRODUCTS INDUSTRY","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.qualtechproductsindustry.com\/cy\/prawf-rhwbio-bs-3900-i-mek\/","og_locale":"en_US","og_type":"article","og_title":"BS 3900 British Standard Film Tests: Resistance to Solvent Rubbing Explained - QUALTECH PRODUCTS INDUSTRY","og_description":"When you need to test how well paint or coating resists chemical damage, BS 3900 provides the standard method you can trust. This British Standard test measures how coatings hold up when rubbed with solvents, giving you clear data about durability and performance. The test works much like the popular MEK (methyl ethyl ketone) rub","og_url":"https:\/\/www.qualtechproductsindustry.com\/cy\/prawf-rhwbio-bs-3900-i-mek\/","og_site_name":"QUALTECH PRODUCTS INDUSTRY","article_published_time":"2025-08-05T12:25:14+00:00","article_modified_time":"2025-10-19T13:20:11+00:00","og_image":[{"url":"https:\/\/koala.sh\/api\/image\/v2-yzj3i-2uixd.jpg?width=1216&#x26;height=832&#x26;dream","type":"","width":"","height":""}],"author":"QUALTECH PRODUCTS INDUSTRY Science &amp; Research","twitter_card":"summary_large_image","twitter_misc":{"Written by":"QUALTECH PRODUCTS INDUSTRY Science &amp; Research","Est. reading time":"18 munud"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/www.qualtechproductsindustry.com\/bs-3900-rub-to-mek-test\/#article","isPartOf":{"@id":"https:\/\/www.qualtechproductsindustry.com\/bs-3900-rub-to-mek-test\/"},"author":{"name":"QUALTECH PRODUCTS INDUSTRY Science &amp; Research","@id":"https:\/\/www.qualtechproductsindustry.com\/#\/schema\/person\/f3d5d0194c89a77c5a600a2dff638d27"},"headline":"BS 3900 British Standard Film Tests: Resistance to Solvent Rubbing Explained","datePublished":"2025-08-05T12:25:14+00:00","dateModified":"2025-10-19T13:20:11+00:00","mainEntityOfPage":{"@id":"https:\/\/www.qualtechproductsindustry.com\/bs-3900-rub-to-mek-test\/"},"wordCount":3707,"image":{"@id":"https:\/\/www.qualtechproductsindustry.com\/bs-3900-rub-to-mek-test\/#primaryimage"},"thumbnailUrl":"https:\/\/koala.sh\/api\/image\/v2-yzj3i-2uixd.jpg?width=1216&#x26;height=832&#x26;dream","articleSection":["Science and Research"],"inLanguage":"cy"},{"@type":"WebPage","@id":"https:\/\/www.qualtechproductsindustry.com\/bs-3900-rub-to-mek-test\/","url":"https:\/\/www.qualtechproductsindustry.com\/bs-3900-rub-to-mek-test\/","name":"Profion Ffilm Safon Prydain BS 3900: Ymwrthedd i Rwbio Toddyddion wedi'i Esbonio - QUALTECH PRODUCTS INDUSTRY","isPartOf":{"@id":"https:\/\/www.qualtechproductsindustry.com\/#website"},"primaryImageOfPage":{"@id":"https:\/\/www.qualtechproductsindustry.com\/bs-3900-rub-to-mek-test\/#primaryimage"},"image":{"@id":"https:\/\/www.qualtechproductsindustry.com\/bs-3900-rub-to-mek-test\/#primaryimage"},"thumbnailUrl":"https:\/\/koala.sh\/api\/image\/v2-yzj3i-2uixd.jpg?width=1216&#x26;height=832&#x26;dream","datePublished":"2025-08-05T12:25:14+00:00","dateModified":"2025-10-19T13:20:11+00:00","author":{"@id":"https:\/\/www.qualtechproductsindustry.com\/#\/schema\/person\/f3d5d0194c89a77c5a600a2dff638d27"},"breadcrumb":{"@id":"https:\/\/www.qualtechproductsindustry.com\/bs-3900-rub-to-mek-test\/#breadcrumb"},"inLanguage":"cy","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.qualtechproductsindustry.com\/bs-3900-rub-to-mek-test\/"]}]},{"@type":"ImageObject","inLanguage":"cy","@id":"https:\/\/www.qualtechproductsindustry.com\/bs-3900-rub-to-mek-test\/#primaryimage","url":"https:\/\/koala.sh\/api\/image\/v2-yzj3i-2uixd.jpg?width=1216&#x26;height=832&#x26;dream","contentUrl":"https:\/\/koala.sh\/api\/image\/v2-yzj3i-2uixd.jpg?width=1216&#x26;height=832&#x26;dream"},{"@type":"BreadcrumbList","@id":"https:\/\/www.qualtechproductsindustry.com\/bs-3900-rub-to-mek-test\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/www.qualtechproductsindustry.com\/"},{"@type":"ListItem","position":2,"name":"BS 3900 British Standard Film Tests: Resistance to Solvent Rubbing Explained"}]},{"@type":"WebSite","@id":"https:\/\/www.qualtechproductsindustry.com\/#website","url":"https:\/\/www.qualtechproductsindustry.com\/","name":"CYNHYRCHION QUALTECH DYFIANT","description":"Offerynnau Profi Manwl, Offer Profi a Peiriannau Cynhyrchu ar gyfer Ymchwil, Rheoli Ansawdd a Chynhyrchu Diwydiannol","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.qualtechproductsindustry.com\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"cy"},{"@type":"Person","@id":"https:\/\/www.qualtechproductsindustry.com\/#\/schema\/person\/f3d5d0194c89a77c5a600a2dff638d27","name":"Cynnyrch QUALTECH Diwydiant Gwyddoniaeth ac Ymchwil","image":{"@type":"ImageObject","inLanguage":"cy","@id":"https:\/\/www.qualtechproductsindustry.com\/wp-content\/litespeed\/avatar\/1d2c6de4a1a94779b95d35e5b90c5a6f.jpg?ver=1786615055","url":"https:\/\/www.qualtechproductsindustry.com\/wp-content\/litespeed\/avatar\/1d2c6de4a1a94779b95d35e5b90c5a6f.jpg?ver=1786615055","contentUrl":"https:\/\/www.qualtechproductsindustry.com\/wp-content\/litespeed\/avatar\/1d2c6de4a1a94779b95d35e5b90c5a6f.jpg?ver=1786615055","caption":"QUALTECH PRODUCTS INDUSTRY Science &amp; Research"},"sameAs":["https:\/\/www.qualtechproductsindustry.com"],"url":"https:\/\/www.qualtechproductsindustry.com\/cy\/author\/888kaiqpirich888\/"}]}},"_links":{"self":[{"href":"https:\/\/www.qualtechproductsindustry.com\/cy\/wp-json\/wp\/v2\/posts\/18380","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.qualtechproductsindustry.com\/cy\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.qualtechproductsindustry.com\/cy\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.qualtechproductsindustry.com\/cy\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.qualtechproductsindustry.com\/cy\/wp-json\/wp\/v2\/comments?post=18380"}],"version-history":[{"count":1,"href":"https:\/\/www.qualtechproductsindustry.com\/cy\/wp-json\/wp\/v2\/posts\/18380\/revisions"}],"predecessor-version":[{"id":18640,"href":"https:\/\/www.qualtechproductsindustry.com\/cy\/wp-json\/wp\/v2\/posts\/18380\/revisions\/18640"}],"wp:attachment":[{"href":"https:\/\/www.qualtechproductsindustry.com\/cy\/wp-json\/wp\/v2\/media?parent=18380"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.qualtechproductsindustry.com\/cy\/wp-json\/wp\/v2\/categories?post=18380"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.qualtechproductsindustry.com\/cy\/wp-json\/wp\/v2\/tags?post=18380"}],"curies":[{"name":"gair","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}