{"id":18612,"date":"2025-10-12T12:46:26","date_gmt":"2025-10-12T12:46:26","guid":{"rendered":"https:\/\/www.qualtechproductsindustry.com\/tappi-t-549-cof-of-paper-paperboard-with-the-horizontal-plane-method-discuss-the-specific-use-and-purpose-you-can-write-extensively-about-what-a-particular-astm-test-method-is-design\/"},"modified":"2025-10-19T18:37:25","modified_gmt":"2025-10-19T18:37:25","slug":"tappi-t-549","status":"publish","type":"post","link":"https:\/\/www.qualtechproductsindustry.com\/da\/tappi-t-549\/","title":{"rendered":"TAPPI T 549 \u2014 Friktionskoefficient (COF) for papir og pap: Anvendelse, form\u00e5l og brancheindsigt"},"content":{"rendered":"<p>N\u00e5r du har brug for at m\u00e5le, hvor let papir eller pap h\u00e6nger sammen med eller glider mod overflader, giver TAPPI T 549 industristandardmetoden til bestemmelse af friktionskoefficienten (COF). Denne test bruger den horisontale planmetode til at m\u00e5le den kraft, der skal til for at flytte det ene materiale hen over det andet med en konstant hastighed. Testen er afg\u00f8rende for... <\/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>Samling af indblik og kommentarer \u2013 kr\u00e6ver medlemskab<\/h2>\n<div class=\"pmpro_card_content\">\n<p> Du skal v\u00e6re medlem af \u00bbInsights &amp; Commentary Collection\u00ab for at f\u00e5 adgang til dette indhold.<\/p>\n<p><a class=\"pmpro_btn\" href=\"https:\/\/www.qualtechproductsindustry.com\/da\/membership-checkout\/?pmpro_level=1\">Tilmeld dig nu<\/a><\/p>\n<\/div>\n<div class=\"pmpro_card_actions pmpro_font-medium\">Er du allerede medlem? <a href=\"https:\/\/www.qualtechproductsindustry.com\/da\/login\/?redirect_to=https%3A%2F%2Fwww.qualtechproductsindustry.com%2Fda%2Ftappi-t-549%2F\">Log ind her<\/a><\/div>\n<\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>When you need to measure how easily paper or paperboard slides against surfaces, TAPPI T 549 provides the industry standard method for determining the coefficient of friction (COF). This test uses the horizontal plane method to measure the force needed to move one material across another at a constant speed. The test is essential for... <\/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>Samling af indblik og kommentarer \u2013 kr\u00e6ver medlemskab<\/h2><div class=\"pmpro_card_content\"><p> Du skal v\u00e6re medlem af \u00bbInsights &amp; Commentary Collection\u00ab for at f\u00e5 adgang til dette indhold.<\/p><p><a class=\"pmpro_btn\" href=\"https:\/\/www.qualtechproductsindustry.com\/da\/membership-checkout\/?pmpro_level=1\">Tilmeld dig nu<\/a><\/p><\/div><div class=\"pmpro_card_actions pmpro_font-medium\">Er du allerede medlem? <a href=\"https:\/\/www.qualtechproductsindustry.com\/da\/login\/?redirect_to=https%3A%2F%2Fwww.qualtechproductsindustry.com%2Fda%2Ftappi-t-549%2F\">Log ind her<\/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":[534,543],"tags":[],"class_list":["post-18612","post","type-post","status-publish","format-standard","hentry","category-science","category-tappi","pmpro-level-required","pmpro-level-1","pmpro-no-access"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>TAPPI T 549 \u2014 COF of Paper &amp; Paperboard: Use, Purpose, and Industry Insight - 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\/da\/tappi-t-549\/\" \/>\n<meta property=\"og:locale\" content=\"da_DK\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"TAPPI T 549 \u2014 COF of Paper &amp; Paperboard: Use, Purpose, and Industry Insight - QUALTECH PRODUCTS INDUSTRY\" \/>\n<meta property=\"og:description\" content=\"When you need to measure how easily paper or paperboard slides against surfaces, TAPPI T 549 provides the industry standard method for determining the coefficient of friction (COF). This test uses the horizontal plane method to measure the force needed to move one material across another at a constant speed. 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