1.0Colortec Químicahttps://colortec.es/enadminhttps://colortec.es/en/author/mespi_tsp2wj00/rich600338<blockquote class="wp-embedded-content" data-secret="gMFeXQ9Ydv"><a href="https://colortec.es/en/black-spots/">Black spots</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://colortec.es/en/black-spots/embed/#?secret=gMFeXQ9Ydv" width="600" height="338" title="“Black spots” — Colortec Química" data-secret="gMFeXQ9Ydv" 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://colortec.es/en/wp-includes/js/wp-embed.min.js </script> In this second post we will focus on a very common issue that appears in injection processes: the emergence of black spots in the surface of plastic pieces. These spots are visible in the surface of these pieces and there may be many of them, as well as appear randomly, which hamper processes and threaten […]