1.0QUALTECH TUOTETEOLLISUUShttps://www.qualtechproductsindustry.biz/firich600338<blockquote class="wp-embedded-content" data-secret="oNxJesksYG"><a href="https://www.qualtechproductsindustry.biz/fi/iso-15359/">ISO 15359 — Paperi ja kartonki — COF-testaus: Käyttö, merkitys ja näkemykset</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://www.qualtechproductsindustry.biz/fi/iso-15359/embed/#?secret=oNxJesksYG" width="600" height="338" title="”ISO 15359 — Paper & Board — COF Testing: Use, Importance & Insights” — QUALTECH PRODUCTS INDUSTRY" data-secret="oNxJesksYG" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe><script> /*! This file is auto-generated */ !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); //# sourceURL=https://www.qualtechproductsindustry.biz/wp-includes/js/wp-embed.min.js </script>Paper and board packaging materials need the right amount of slip to move smoothly through production lines and filling equipment. ISO 15359 measures both static and kinetic coefficient of friction (COF) to help manufacturers determine how easily paper and board surfaces slide against each other or other materials. This test method gives you precise datahttps://koala.sh/api/image/v2-12hbzm-3xcra.jpg?width=1216&height=832&dream