1.0CENTROTEST Ternihttps://centrotest.com/en/devhttps://centrotest.com/en/author/dev/rich600338<blockquote class="wp-embedded-content" data-secret="a3yP5aJeDf"><a href="https://centrotest.com/en/non-destructive-testing/penetrant-liquid-testing-pt/">Penetrant liquid testing (PT)</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://centrotest.com/en/non-destructive-testing/penetrant-liquid-testing-pt/embed/#?secret=a3yP5aJeDf" width="600" height="338" title="“Penetrant liquid testing (PT)” — CENTROTEST Terni" data-secret="a3yP5aJeDf" 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://centrotest.com/wp-includes/js/wp-embed.min.js </script> PENETRANT LIQUID TESTING (PT) The physical principle on which this techinque is based exploits the ability of some liquids to penetrate by capillarity into slots, cavities or outcropping cracks, even if thin. Previous slide Next slide The liquid can be applied in several ways: spray, brush and diving. The surfaces to be tested, however, must […]https://centrotest.com/wp-content/uploads/2024/06/centrotest-controlli-liquidipenetranti4.jpg