{"version":"1.0","provider_name":"QUALTECH PRODUKTINDUSTRIE","provider_url":"https:\/\/www.qualtechproductsindustry.com\/de","title":"TAPPI T 549 \u2014 COF of Paper & Paperboard: Use, Purpose, and Industry Insight - QUALTECH PRODUCTS INDUSTRY","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"U2TFCwg1Ie\"><a href=\"https:\/\/www.qualtechproductsindustry.com\/de\/tappi-t-549\/\">TAPPI T 549 \u2013 COF von Papier und Pappe: Verwendung, Zweck und Brancheneinblick<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/www.qualtechproductsindustry.com\/de\/tappi-t-549\/embed\/#?secret=U2TFCwg1Ie\" width=\"600\" height=\"338\" title=\"\u201eTAPPI T 549 \u2013 COF von Papier und Karton: Verwendung, Zweck und Brancheneinblicke\u201c \u2013 QUALTECH PRODUCTS INDUSTRY\" data-secret=\"U2TFCwg1Ie\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\" class=\"wp-embedded-content\"><\/iframe><script>\n\/*! This file is auto-generated *\/\n!function(d,l){\"use strict\";l.querySelector&&d.addEventListener&&\"undefined\"!=typeof URL&&(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&&!\/[^a-zA-Z0-9]\/.test(t.secret)){for(var s,r,n,a=l.querySelectorAll('iframe[data-secret=\"'+t.secret+'\"]'),o=l.querySelectorAll('blockquote[data-secret=\"'+t.secret+'\"]'),c=new RegExp(\"^https?:$\",\"i\"),i=0;i<o.length;i++)o[i].style.display=\"none\";for(i=0;i<a.length;i++)s=a[i],e.source===s.contentWindow&&(s.removeAttribute(\"style\"),\"height\"===t.message?(1e3<(r=parseInt(t.value,10))?r=1e3:~~r<200&&(r=200),s.height=r):\"link\"===t.message&&(r=new URL(s.getAttribute(\"src\")),n=new URL(t.value),c.test(n.protocol))&&n.host===r.host&&l.activeElement===s&&(d.top.location.href=t.value))}},d.addEventListener(\"message\",d.wp.receiveEmbedMessage,!1),l.addEventListener(\"DOMContentLoaded\",function(){for(var e,t,s=l.querySelectorAll(\"iframe.wp-embedded-content\"),r=0;r<s.length;r++)(t=(e=s[r]).getAttribute(\"data-secret\"))||(t=Math.random().toString(36).substring(2,12),e.src+=\"#?secret=\"+t,e.setAttribute(\"data-secret\",t)),e.contentWindow.postMessage({message:\"ready\",secret:t},\"*\")},!1)))}(window,document);\n\/\/# sourceURL=https:\/\/www.qualtechproductsindustry.com\/wp-includes\/js\/wp-embed.min.js\n<\/script>","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","thumbnail_url":"https:\/\/koala.sh\/api\/image\/v2-12hno0-0q9df.jpg?width=1216&#x26;height=832&#x26;dream"}