{"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\/it\/tappi-t-549\/","title":{"rendered":"TAPPI T 549 \u2014 COF di carta e cartone: utilizzo, finalit\u00e0 e approfondimenti sul settore"},"content":{"rendered":"<p>Quando \u00e8 necessario misurare la facilit\u00e0 con cui la carta o il cartone scivolano sulle superfici, la norma TAPPI T 549 fornisce il metodo standard del settore per determinare il coefficiente di attrito (COF). Questa prova utilizza il metodo del piano orizzontale per misurare la forza necessaria a far scorrere un materiale su un altro a velocit\u00e0 costante. La prova \u00e8 fondamentale per\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>Livelli di adesione richiesti<\/h2>\n<div class=\"pmpro_card_content\">\n<p> Per accedere a questo contenuto devi essere iscritto alla sezione \"Insights &amp; Commentary Collection\".<\/p>\n<p><a class=\"pmpro_btn\" href=\"https:\/\/www.qualtechproductsindustry.com\/it\/membership-checkout\/?pmpro_level=1\">Iscriviti subito<\/a><\/p>\n<\/div>\n<div class=\"pmpro_card_actions pmpro_font-medium\">Sei gi\u00e0 iscritto? <a href=\"https:\/\/www.qualtechproductsindustry.com\/it\/login\/?redirect_to=https%3A%2F%2Fwww.qualtechproductsindustry.com%2Fit%2Ftappi-t-549%2F\">Accedi<\/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>Livelli di adesione richiesti<\/h2><div class=\"pmpro_card_content\"><p> Per accedere a questo contenuto devi essere iscritto alla sezione \"Insights &amp; Commentary Collection\".<\/p><p><a class=\"pmpro_btn\" href=\"https:\/\/www.qualtechproductsindustry.com\/it\/membership-checkout\/?pmpro_level=1\">Iscriviti subito<\/a><\/p><\/div><div class=\"pmpro_card_actions pmpro_font-medium\">Sei gi\u00e0 iscritto? <a href=\"https:\/\/www.qualtechproductsindustry.com\/it\/login\/?redirect_to=https%3A%2F%2Fwww.qualtechproductsindustry.com%2Fit%2Ftappi-t-549%2F\">Accedi<\/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\/it\/tappi-t-549\/\" \/>\n<meta property=\"og:locale\" content=\"it_IT\" \/>\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. The test is essential for\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.qualtechproductsindustry.com\/it\/tappi-t-549\/\" \/>\n<meta property=\"og:site_name\" content=\"QUALTECH PRODUCTS INDUSTRY\" \/>\n<meta property=\"article:published_time\" content=\"2025-10-12T12:46:26+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-10-19T18:37:25+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/koala.sh\/api\/image\/v2-12hno0-0q9df.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=\"Scritto da\" \/>\n\t<meta name=\"twitter:data1\" content=\"QUALTECH PRODUCTS INDUSTRY Science &amp; Research\" \/>\n\t<meta name=\"twitter:label2\" content=\"Tempo di lettura stimato\" \/>\n\t<meta name=\"twitter:data2\" content=\"18 minuti\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.qualtechproductsindustry.com\\\/tappi-t-549\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.qualtechproductsindustry.com\\\/tappi-t-549\\\/\"},\"author\":{\"name\":\"QUALTECH PRODUCTS INDUSTRY Science &amp; Research\",\"@id\":\"https:\\\/\\\/www.qualtechproductsindustry.com\\\/#\\\/schema\\\/person\\\/f3d5d0194c89a77c5a600a2dff638d27\"},\"headline\":\"TAPPI T 549 \u2014 COF of Paper &#038; Paperboard: Use, Purpose, and Industry Insight\",\"datePublished\":\"2025-10-12T12:46:26+00:00\",\"dateModified\":\"2025-10-19T18:37:25+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/www.qualtechproductsindustry.com\\\/tappi-t-549\\\/\"},\"wordCount\":3651,\"image\":{\"@id\":\"https:\\\/\\\/www.qualtechproductsindustry.com\\\/tappi-t-549\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/koala.sh\\\/api\\\/image\\\/v2-12hno0-0q9df.jpg?width=1216&#x26;height=832&#x26;dream\",\"articleSection\":[\"Science and Research\",\"TAPPI Test Standards\"],\"inLanguage\":\"it-IT\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.qualtechproductsindustry.com\\\/tappi-t-549\\\/\",\"url\":\"https:\\\/\\\/www.qualtechproductsindustry.com\\\/tappi-t-549\\\/\",\"name\":\"TAPPI T 549 \u2014 COF of Paper & Paperboard: Use, Purpose, and Industry Insight - QUALTECH PRODUCTS INDUSTRY\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.qualtechproductsindustry.com\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/www.qualtechproductsindustry.com\\\/tappi-t-549\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/www.qualtechproductsindustry.com\\\/tappi-t-549\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/koala.sh\\\/api\\\/image\\\/v2-12hno0-0q9df.jpg?width=1216&#x26;height=832&#x26;dream\",\"datePublished\":\"2025-10-12T12:46:26+00:00\",\"dateModified\":\"2025-10-19T18:37:25+00:00\",\"author\":{\"@id\":\"https:\\\/\\\/www.qualtechproductsindustry.com\\\/#\\\/schema\\\/person\\\/f3d5d0194c89a77c5a600a2dff638d27\"},\"breadcrumb\":{\"@id\":\"https:\\\/\\\/www.qualtechproductsindustry.com\\\/tappi-t-549\\\/#breadcrumb\"},\"inLanguage\":\"it-IT\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/www.qualtechproductsindustry.com\\\/tappi-t-549\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"it-IT\",\"@id\":\"https:\\\/\\\/www.qualtechproductsindustry.com\\\/tappi-t-549\\\/#primaryimage\",\"url\":\"https:\\\/\\\/koala.sh\\\/api\\\/image\\\/v2-12hno0-0q9df.jpg?width=1216&#x26;height=832&#x26;dream\",\"contentUrl\":\"https:\\\/\\\/koala.sh\\\/api\\\/image\\\/v2-12hno0-0q9df.jpg?width=1216&#x26;height=832&#x26;dream\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/www.qualtechproductsindustry.com\\\/tappi-t-549\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/www.qualtechproductsindustry.com\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"TAPPI T 549 \u2014 COF of Paper &#038; Paperboard: Use, Purpose, and Industry Insight\"}]},{\"@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\":\"it-IT\"},{\"@type\":\"Person\",\"@id\":\"https:\\\/\\\/www.qualtechproductsindustry.com\\\/#\\\/schema\\\/person\\\/f3d5d0194c89a77c5a600a2dff638d27\",\"name\":\"QUALTECH PRODUCTS INDUSTRY Science &amp; Research\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"it-IT\",\"@id\":\"https:\\\/\\\/www.qualtechproductsindustry.com\\\/wp-content\\\/litespeed\\\/avatar\\\/1d2c6de4a1a94779b95d35e5b90c5a6f.jpg?ver=1788430674\",\"url\":\"https:\\\/\\\/www.qualtechproductsindustry.com\\\/wp-content\\\/litespeed\\\/avatar\\\/1d2c6de4a1a94779b95d35e5b90c5a6f.jpg?ver=1788430674\",\"contentUrl\":\"https:\\\/\\\/www.qualtechproductsindustry.com\\\/wp-content\\\/litespeed\\\/avatar\\\/1d2c6de4a1a94779b95d35e5b90c5a6f.jpg?ver=1788430674\",\"caption\":\"QUALTECH PRODUCTS INDUSTRY Science &amp; Research\"},\"sameAs\":[\"https:\\\/\\\/www.qualtechproductsindustry.com\"],\"url\":\"https:\\\/\\\/www.qualtechproductsindustry.com\\\/it\\\/author\\\/888kaiqpirich888\\\/\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"TAPPI T 549 \u2014 Coeff. di attrito (COF) di carta e cartone: utilizzo, scopo e approfondimento del settore \u2014 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\/it\/tappi-t-549\/","og_locale":"it_IT","og_type":"article","og_title":"TAPPI T 549 \u2014 COF of Paper & Paperboard: Use, Purpose, and Industry Insight - QUALTECH PRODUCTS INDUSTRY","og_description":"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","og_url":"https:\/\/www.qualtechproductsindustry.com\/it\/tappi-t-549\/","og_site_name":"QUALTECH PRODUCTS INDUSTRY","article_published_time":"2025-10-12T12:46:26+00:00","article_modified_time":"2025-10-19T18:37:25+00:00","og_image":[{"url":"https:\/\/koala.sh\/api\/image\/v2-12hno0-0q9df.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":{"Scritto da":"QUALTECH PRODUCTS INDUSTRY Science &amp; Research","Tempo di lettura stimato":"18 minuti"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/www.qualtechproductsindustry.com\/tappi-t-549\/#article","isPartOf":{"@id":"https:\/\/www.qualtechproductsindustry.com\/tappi-t-549\/"},"author":{"name":"QUALTECH PRODUCTS INDUSTRY Science &amp; Research","@id":"https:\/\/www.qualtechproductsindustry.com\/#\/schema\/person\/f3d5d0194c89a77c5a600a2dff638d27"},"headline":"TAPPI T 549 \u2014 COF of Paper &#038; Paperboard: Use, Purpose, and Industry Insight","datePublished":"2025-10-12T12:46:26+00:00","dateModified":"2025-10-19T18:37:25+00:00","mainEntityOfPage":{"@id":"https:\/\/www.qualtechproductsindustry.com\/tappi-t-549\/"},"wordCount":3651,"image":{"@id":"https:\/\/www.qualtechproductsindustry.com\/tappi-t-549\/#primaryimage"},"thumbnailUrl":"https:\/\/koala.sh\/api\/image\/v2-12hno0-0q9df.jpg?width=1216&#x26;height=832&#x26;dream","articleSection":["Science and Research","TAPPI Test Standards"],"inLanguage":"it-IT"},{"@type":"WebPage","@id":"https:\/\/www.qualtechproductsindustry.com\/tappi-t-549\/","url":"https:\/\/www.qualtechproductsindustry.com\/tappi-t-549\/","name":"TAPPI T 549 \u2014 Coeff. di attrito (COF) di carta e cartone: utilizzo, scopo e approfondimento del settore \u2014 QUALTECH PRODUCTS INDUSTRY","isPartOf":{"@id":"https:\/\/www.qualtechproductsindustry.com\/#website"},"primaryImageOfPage":{"@id":"https:\/\/www.qualtechproductsindustry.com\/tappi-t-549\/#primaryimage"},"image":{"@id":"https:\/\/www.qualtechproductsindustry.com\/tappi-t-549\/#primaryimage"},"thumbnailUrl":"https:\/\/koala.sh\/api\/image\/v2-12hno0-0q9df.jpg?width=1216&#x26;height=832&#x26;dream","datePublished":"2025-10-12T12:46:26+00:00","dateModified":"2025-10-19T18:37:25+00:00","author":{"@id":"https:\/\/www.qualtechproductsindustry.com\/#\/schema\/person\/f3d5d0194c89a77c5a600a2dff638d27"},"breadcrumb":{"@id":"https:\/\/www.qualtechproductsindustry.com\/tappi-t-549\/#breadcrumb"},"inLanguage":"it-IT","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.qualtechproductsindustry.com\/tappi-t-549\/"]}]},{"@type":"ImageObject","inLanguage":"it-IT","@id":"https:\/\/www.qualtechproductsindustry.com\/tappi-t-549\/#primaryimage","url":"https:\/\/koala.sh\/api\/image\/v2-12hno0-0q9df.jpg?width=1216&#x26;height=832&#x26;dream","contentUrl":"https:\/\/koala.sh\/api\/image\/v2-12hno0-0q9df.jpg?width=1216&#x26;height=832&#x26;dream"},{"@type":"BreadcrumbList","@id":"https:\/\/www.qualtechproductsindustry.com\/tappi-t-549\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/www.qualtechproductsindustry.com\/"},{"@type":"ListItem","position":2,"name":"TAPPI T 549 \u2014 COF of Paper &#038; Paperboard: Use, Purpose, and Industry Insight"}]},{"@type":"WebSite","@id":"https:\/\/www.qualtechproductsindustry.com\/#website","url":"https:\/\/www.qualtechproductsindustry.com\/","name":"SETTORE DEI PRODOTTI QUALTECH","description":"Strumenti di misura di precisione, apparecchiature di collaudo e macchinari di produzione per la ricerca, la gestione della qualit\u00e0 e la produzione industriale","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":"it-IT"},{"@type":"Person","@id":"https:\/\/www.qualtechproductsindustry.com\/#\/schema\/person\/f3d5d0194c89a77c5a600a2dff638d27","name":"PRODOTTI QUALTECH SETTORE Industria, Scienza e Ricerca","image":{"@type":"ImageObject","inLanguage":"it-IT","@id":"https:\/\/www.qualtechproductsindustry.com\/wp-content\/litespeed\/avatar\/1d2c6de4a1a94779b95d35e5b90c5a6f.jpg?ver=1788430674","url":"https:\/\/www.qualtechproductsindustry.com\/wp-content\/litespeed\/avatar\/1d2c6de4a1a94779b95d35e5b90c5a6f.jpg?ver=1788430674","contentUrl":"https:\/\/www.qualtechproductsindustry.com\/wp-content\/litespeed\/avatar\/1d2c6de4a1a94779b95d35e5b90c5a6f.jpg?ver=1788430674","caption":"QUALTECH PRODUCTS INDUSTRY Science &amp; Research"},"sameAs":["https:\/\/www.qualtechproductsindustry.com"],"url":"https:\/\/www.qualtechproductsindustry.com\/it\/author\/888kaiqpirich888\/"}]}},"_links":{"self":[{"href":"https:\/\/www.qualtechproductsindustry.com\/it\/wp-json\/wp\/v2\/posts\/18612","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.qualtechproductsindustry.com\/it\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.qualtechproductsindustry.com\/it\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.qualtechproductsindustry.com\/it\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.qualtechproductsindustry.com\/it\/wp-json\/wp\/v2\/comments?post=18612"}],"version-history":[{"count":1,"href":"https:\/\/www.qualtechproductsindustry.com\/it\/wp-json\/wp\/v2\/posts\/18612\/revisions"}],"predecessor-version":[{"id":18622,"href":"https:\/\/www.qualtechproductsindustry.com\/it\/wp-json\/wp\/v2\/posts\/18612\/revisions\/18622"}],"wp:attachment":[{"href":"https:\/\/www.qualtechproductsindustry.com\/it\/wp-json\/wp\/v2\/media?parent=18612"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.qualtechproductsindustry.com\/it\/wp-json\/wp\/v2\/categories?post=18612"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.qualtechproductsindustry.com\/it\/wp-json\/wp\/v2\/tags?post=18612"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}