{"id":415,"date":"2026-11-06T21:32:01","date_gmt":"2026-11-06T13:32:01","guid":{"rendered":"https:\/\/kerkepm.com\/lp\/cable-compound-line\/"},"modified":"2026-11-11T13:07:51","modified_gmt":"2026-11-11T05:07:51","slug":"cable-compound-line","status":"publish","type":"page","link":"https:\/\/kerkepm.com\/es\/lp\/cable-compound-line\/","title":{"rendered":"Cable Compound Line: PVC, XLPE and HFFR on one platform"},"content":{"rendered":"<div class=\"k3 lp\">\n<div class=\"lp-bar\"><div class=\"wrap\">\n<a class=\"lp-logo\" href=\"\/\"><b>KERKE<\/b><span>Extrusion Equipment<\/span><\/a>\n<div class=\"lp-contact\"><span class=\"hide-s\">Since 2009 \u00b7 2,000+ sets \u00b7 70+ countries<\/span>\n<a href=\"https:\/\/wa.me\/8617733332876\" target=\"_blank\" rel=\"noopener\">WhatsApp +86 177 3333 2876<\/a><\/div>\n<\/div><\/div>\n\n<section class=\"lp-hero\"><div class=\"wrap\">\n<div>\n<p class=\"lp-kicker\">Cable compound<\/p>\n<h1>Cable Compound Line: PVC, XLPE and HFFR on one platform<\/h1>\n<p class=\"lp-sub\">Cable compound is heat-sensitive and water-sensitive at the same time, which rules out both long residence time and water contact. That single constraint decides how a cable compound line is configured: the screw, the die and the pelletizer.<\/p>\n<ul class=\"lp-bullets\"><li>PVC: 140\u2013170 \u00b0C, air-cooled strand or hot die-face, no water bath<\/li><li>XLPE: silane grafting at 190\u2013210 \u00b0C, moisture strictly controlled<\/li><li>HFFR \/ LSZH: 50\u201360% ATH or MDH, two-stage, low-shear dispersive mixing<\/li><\/ul>\n<div class=\"lp-hero-nums\"><div><b>3 systems<\/b><span>PVC \/ XLPE \/ HFFR, one platform<\/span><\/div><div><b>50\u201360%<\/b><span>ATH \/ MDH loading in HFFR<\/span><\/div><div><b>100\u20131,500 kg\/h<\/b><span>reference output<\/span><\/div><\/div>\n<\/div>\n<div class=\"lp-formcard\" id=\"quote\">\n<h2>Get a costed configuration<\/h2>\n<p class=\"lp-fhint\">Reply within one working day, in English or Chinese.<\/p>\n<div class=\"lp-ok\" id=\"ok\">Thank you \u2014 your enquiry is in. We reply within one working day; if it is urgent, WhatsApp +86 177 3333 2876.<\/div>\n<form class=\"lp-form\" data-lp=\"cable-compound-line\" onsubmit=\"return kerkeLead(event)\">\n<input type=\"hidden\" name=\"lp_slug\" value=\"cable-compound-line\">\n<input type=\"hidden\" name=\"page_url\" value=\"\">\n<input type=\"hidden\" name=\"gclid\" value=\"\">\n<input type=\"hidden\" name=\"utm_source\" value=\"\">\n<input type=\"hidden\" name=\"utm_campaign\" value=\"\">\n<label for=\"n\">Name *<\/label><input id=\"n\" name=\"name\" required placeholder=\"Your name\">\n<div class=\"row2\">\n<div><label for=\"e\">Email *<\/label><input id=\"e\" name=\"email\" type=\"email\" required placeholder=\"you@company.com\"><\/div>\n<div><label for=\"w\">WhatsApp<\/label><input id=\"w\" name=\"whatsapp\" placeholder=\"+00 000 000 0000\"><\/div>\n<\/div>\n<div class=\"row2\">\n<div><label for=\"c\">Country<\/label><input id=\"c\" name=\"country\" placeholder=\"e.g. Vietnam\"><\/div>\n<div><label for=\"o\">Target output<\/label><input id=\"o\" name=\"output\" placeholder=\"kg\/h\"><\/div>\n<\/div>\n<label for=\"m\">What are you producing?<\/label>\n<select id=\"m\" name=\"product\"><option>PVC compound<\/option><option>XLPE cable compound<\/option><option>HFFR \/ LSZH compound<\/option><option>Other cable compound<\/option><\/select>\n<label for=\"msg\">Material and anything else<\/label><textarea id=\"msg\" name=\"message\" rows=\"3\" placeholder=\"Filler grade, loading %, pellet shape, timeline\"><\/textarea>\n<button type=\"submit\">Send enquiry<\/button>\n<p class=\"err\" id=\"err\">Please check your name and email.<\/p>\n<p class=\"fine\">We use your details only to answer this enquiry. No newsletter, no list sharing.<\/p>\n<\/form>\n<\/div>\n<\/div><\/section>\n\n<figure class=\"lp-fig\"><img decoding=\"async\" src=\"\/wp-content\/uploads\/2026\/11\/lp-cable-a.webp\" alt=\"Two-stage cable compound extrusion line with single screw metering\" loading=\"lazy\" width=\"1200\" height=\"800\"><figcaption>A two-stage cable compound line: PVC, XLPE and HFFR share the platform - the changeover is a screw set.<\/figcaption><\/figure><section class=\"lp-proof\"><div class=\"wrap\"><div><b>PVC \u00b7 XLPE \u00b7 HFFR<\/b><span>the three compounds we build for<\/span><\/div><div><b>140\u2013210 \u00b0C<\/b><span>working window across the three<\/span><\/div><div><b>Two-stage option<\/b><span>KTE\/SE where shear must stay low<\/span><\/div><div><b>CE \/ SGS<\/b><span>documentation with shipment<\/span><\/div><\/div><\/section>\n\n<nav class=\"wp-block-rank-math-toc-block lp-toc\" aria-label=\"On this page\"><b>On this page:<\/b><a href=\"#why\">Why it matters<\/a><a href=\"#specs\">Reference parameters<\/a><a href=\"#faq\">FAQ<\/a><a href=\"#quote\">Get a quote<\/a><\/nav>\n\n<figure class=\"lp-fig\"><img decoding=\"async\" src=\"\/wp-content\/uploads\/2026\/11\/pvc-compounding-pelletizing-line-01-1200.webp\" alt=\"cable compound line\" loading=\"lazy\" width=\"1200\" height=\"675\"><figcaption>PVC compounding pelletizing line \u2014 air-cooled hot die-face cutting, no water contact with the compound.<\/figcaption><\/figure>\n\n<section class=\"lp-sec\" id=\"why\"><div class=\"wrap\">\n<h2>Why one pelletizing method cannot serve all three<\/h2>\n<p class=\"lede\">A PVC line that runs water through the die is a scrap generator. An HFFR line that shares a water bath with PVC carries moisture into a compound that must stay dry \u2014 which is why one cable compound line is configured around a single dominant compound.<\/p>\n<div class=\"lp-cols\"><div class=\"lp-box\"><h3>PVC: air, not water<\/h3><p>PVC at 140\u2013170 \u00b0C gels if residence time runs long, and water contact means a drying step you cannot afford. Air-cooled strand or hot die-face keeps the compound dry and the output stable.<\/p><\/div><div class=\"lp-box\"><h3>XLPE: graft first, catalyse later<\/h3><p>Silane cross-linking must be grafted in the extruder and catalysed afterwards. Do both in one pass and the compound starts cross-linking inside the barrel \u2014 a stopped line and a scrapped batch.<\/p><\/div><div class=\"lp-box\"><h3>HFFR: disperse without shearing<\/h3><p>Metal hydroxide starts decomposing around 180 \u00b0C, so the line has to disperse 50\u201360% ATH or MDH without the shear that generates local hot spots. A two-stage KTE\/SE with a low-shear mixing block is the usual answer on a cable compound line.<\/p><\/div><\/div>\n<ul class=\"lp-check\"><li>Compound route: PVC dry blend, XLPE grafting, HFFR<\/li><li>Barrel profile and residence time by compound<\/li><li>Die-face or strand pelletizing matched to the compound<\/li><li>Moisture control and drying where the compound demands it<\/li><li>Gravimetric dosing for ATH \/ MDH and additives<\/li><li>Trial report with temperature profile and output<\/li><\/ul>\n<\/div><\/section>\n\n<section class=\"lp-sec alt\" id=\"specs\"><div class=\"wrap\">\n<h2>Cable compound line configurations, by compound<\/h2>\n<div class=\"lp-table\"><table><thead><tr><th>Compound<\/th><th>Barrel temperature<\/th><th>Pelletizing<\/th><th>Line type<\/th><\/tr><\/thead><tbody><tr><td>PVC (rigid \/ flexible)<\/td><td>140\u2013170 \u00b0C<\/td><td>air-cooled strand or hot die-face<\/td><td>KTE or KTE\/SE<\/td><\/tr><tr><td>XLPE (silane grafted)<\/td><td>190\u2013210 \u00b0C<\/td><td>underwater, dry-cut<\/td><td>KTE with liquid injection<\/td><\/tr><tr><td>HFFR \/ LSZH<\/td><td>150\u2013175 \u00b0C, low shear<\/td><td>air-cooled, no water<\/td><td>two-stage KTE\/SE<\/td><\/tr><tr><td>Semiconductive \/ sheathing<\/td><td>160\u2013190 \u00b0C<\/td><td>strand<\/td><td>KTE<\/td><\/tr><\/tbody><\/table><\/div>\n<p class=\"note\" style=\"font-size:12px;color:#767d87;margin:8px 0 0\">Reference values, subject to material trial. Final parameters are set on your own material.<\/p>\n<\/div><\/section>\n\n<section class=\"lp-sec lp-faq\" id=\"faq\"><div class=\"wrap\" style=\"max-width:820px\">\n<h2>Questions buyers ask before the call<\/h2>\n<details><summary>Can one line run PVC and HFFR?<\/summary><p>Mechanically yes, commercially rarely: the screw geometry, die and pelletizer are different, and cleaning between compounds is a full day. Most customers buy the cable compound line configured for their dominant compound and quote the second configuration as a change kit.<\/p><\/details><details><summary>How do you keep HFFR from pre-curing?<\/summary><p>Low-shear mixing, a short residence time after the side feeder, and a barrel profile that keeps local temperatures under the decomposition onset. The trial report lists the actual profile.<\/p><\/details><details><summary>What output can I expect on a 75 mm screw?<\/summary><p>For PVC dry blend, roughly 400\u2013700 kg\/h depending on formulation and bulk density. For HFFR at 55% ATH, expect 30\u201340% lower on the same screw. We quote the material-specific number after the trial.<\/p><\/details>\n<\/div><\/section>\n\n<figure class=\"lp-fig\"><img decoding=\"async\" src=\"\/wp-content\/uploads\/2026\/11\/lp-cable-b.webp\" alt=\"Cable compound line with control cabinet, assembled for factory wet-run\" loading=\"lazy\" width=\"1200\" height=\"899\"><figcaption>Cable line with control cabinet, wired and ready for the factory wet-run.<\/figcaption><\/figure><section class=\"lp-rel\"><div class=\"wrap\"><b>Related pages on this site<\/b><ul><li><a href=\"\/applications\/xlpe-cable-compound\/\">XLPE cable compound: silane grafting process<\/a><\/li><li><a href=\"\/applications\/hffr-cable-compound\/\">HFFR cable compound: low-shear dispersion<\/a><\/li><li><a href=\"\/machines\/two-stage\/\">Two-stage KTE\/SE lines for HFFR<\/a><\/li><\/ul><\/div><\/section>\n\n<section class=\"lp-cta\" id=\"quote\"><div class=\"wrap\">\n<div><h2>Send your compound and the target kg\/h<\/h2><p>Tell us the compound type, filler loading and downstream cable size; we reply with the cable compound line configuration and the pelletizing method we would use.<\/p><\/div>\n<a class=\"btn-big\" href=\"#quote\">Get the quotation<\/a>\n<\/div><\/section>\n\n<div class=\"lp-foot\"><div class=\"wrap\">\nKerke Extrusion Equipment \u00b7 Nanjing, Jiangsu, China. Every cable compound line is test-run on the customer's own material before shipment. Values are reference ranges, subject to material trial. \u00a9 Uptech \u2014 exclusive export partner of Kerke Extrusion.\n<\/div><\/div>\n\n<div class=\"lp-sticky\">\n<a class=\"t\" href=\"tel:+8617733332876\">Call<\/a>\n<a class=\"w\" href=\"https:\/\/wa.me\/8617733332876\" target=\"_blank\" rel=\"noopener\">WhatsApp<\/a>\n<a class=\"q\" href=\"#quote\">Get a quote<\/a>\n<\/div>\n<script>\nfunction kerkeLead(ev){\n  ev.preventDefault();\n  var f=ev.target, d=new FormData(f), o={};\n  d.forEach(function(v,k){o[k]=v;});\n  if(!o.name||!o.email||o.email.indexOf('@')&lt;0){document.getElementById('err').style.display='block';return false;}\n  o.action='kerke_lead';\n  var q=new URLSearchParams(location.search);\n  ['gclid','utm_source','utm_campaign','utm_term','utm_content'].forEach(function(k){\n    if(q.get(k)){o[k]=q.get(k);}\n    try{var saved=localStorage.getItem('k3_'+k); if(!o[k]&&saved){o[k]=saved;} if(q.get(k)){localStorage.setItem('k3_'+k,q.get(k));}}catch(e){}\n  });\n  o.page_url=location.href;\n  var btn=f.querySelector('button'); btn.disabled=true; btn.textContent='Sending\u2026';\n  fetch('\/wp-admin\/admin-ajax.php',{method:'POST',body:new URLSearchParams(o)})\n    .then(function(r){return r.json();})\n    .then(function(r){\n      if(r&&r.success){\n        f.style.display='none'; document.getElementById('ok').style.display='block';\n        window.dataLayer=window.dataLayer||[];window.dataLayer.push({event:'generate_lead',form:'lp-'+f.dataset.lp,value:0});\n        if(window.gtag){gtag('event','generate_lead',{form:'lp-'+f.dataset.lp});}\n      }else{btn.disabled=false;btn.textContent='Send enquiry';document.getElementById('err').style.display='block';}\n    })\n    .catch(function(){btn.disabled=false;btn.textContent='Send enquiry';document.getElementById('err').style.display='block';});\n  return false;\n}\n<\/script>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>KERKEExtrusion Equipment Since 2009 \u00b7 2,000+ sets \u00b7 70+ countries WhatsApp +86 177 3333 2876 Cable compound Cable Compound Line: PVC, XLPE and HFFR on one platform Cable compound is heat-sensitive and water-sensitive at the same time, which rules out both long residence time and water contact. That single constraint decides how a cable compound [&#8230;]\n","protected":false},"author":1,"featured_media":0,"parent":411,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"page-blank-landingpage.php","meta":{"footnotes":""},"application":[],"app_group":[],"class_list":["post-415","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/kerkepm.com\/es\/wp-json\/wp\/v2\/pages\/415","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/kerkepm.com\/es\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/kerkepm.com\/es\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/kerkepm.com\/es\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/kerkepm.com\/es\/wp-json\/wp\/v2\/comments?post=415"}],"version-history":[{"count":0,"href":"https:\/\/kerkepm.com\/es\/wp-json\/wp\/v2\/pages\/415\/revisions"}],"up":[{"embeddable":true,"href":"https:\/\/kerkepm.com\/es\/wp-json\/wp\/v2\/pages\/411"}],"wp:attachment":[{"href":"https:\/\/kerkepm.com\/es\/wp-json\/wp\/v2\/media?parent=415"}],"wp:term":[{"taxonomy":"application","embeddable":true,"href":"https:\/\/kerkepm.com\/es\/wp-json\/wp\/v2\/application?post=415"},{"taxonomy":"app_group","embeddable":true,"href":"https:\/\/kerkepm.com\/es\/wp-json\/wp\/v2\/app_group?post=415"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}