{"id":33,"date":"2026-11-06T19:04:40","date_gmt":"2026-11-06T11:04:40","guid":{"rendered":"https:\/\/kerkepm.com\/applications\/compounding-extrusion\/"},"modified":"2026-11-11T23:40:54","modified_gmt":"2026-11-11T15:40:54","slug":"compounding-extrusion-line","status":"publish","type":"page","link":"https:\/\/kerkepm.com\/es\/applications\/compounding-extrusion-line\/","title":{"rendered":"Compounding Extrusion Line: 50\u20134,000 kg\/h"},"content":{"rendered":"<div class=\"k3\">\n<noscript><iframe loading=\"lazy\" src=\"https:\/\/www.googletagmanager.com\/ns.html?id=GTM-5JN495RG\" height=\"0\" width=\"0\" style=\"display:none;visibility:hidden\"><\/iframe><\/noscript>\n<div class=\"wrap\"><div class=\"crumbs\"><a href=\"\/\">Home<\/a><span>\/<\/span><a href=\"\/applications\/\">Applications<\/a><span>\/<\/span>Compounding Extrusion Line<\/div><\/div><div class=\"wrap\"><div class=\"hero\">\n<p class=\"kicker\">Application \u00b7 Plastic Modification<\/p>\n<h1>Compounding Extrusion Line: 50\u20134,000 kg\/h<\/h1>\n<p class=\"dek\">Compounding covers everything from 20% glass fibre in PA6 to 3% additive in PP. The first question is never tonnage but whether the formulation needs side feeding and devolatilization \u2014 that decides L\/D. A reference compounding extrusion line page from Kerke.<\/p>\n<div class=\"byline\"><div><b>Updated<\/b> 6 November 2026<\/div>\n<div><b>Output<\/b> 50\u20134,000 kg\/h<\/div>\n<div><b>Line type<\/b> Co-rotating twin screw KTE<\/div>\n<div><b>Basis<\/b> parameter table + material trial<\/div><\/div>\n<\/div><\/div>\n<div class=\"wrap\"><div class=\"appmedia\">\n<div class=\"mslider\" id=\"appslider\">\n<div class=\"ms-frame\"><div class=\"ms-slide on\"><img decoding=\"async\" src=\"\/wp-content\/uploads\/2026\/11\/compounding-extrusion.webp\" alt=\"Compounding extrusion line \u2014 strand pelletizing, Kerke workshop, Nanjing\" loading=\"lazy\"><span class=\"ms-cap\">Compounding extrusion line \u2014 strand pelletizing, Kerke workshop, Nanjing<\/span><\/div><div class=\"ms-slide\"><img decoding=\"async\" src=\"\/wp-content\/uploads\/2026\/11\/glass-fiber-compounding.webp\" alt=\"Glass fibre compounding \u2014 side feeder on a L\/D 60 build\" loading=\"lazy\"><span class=\"ms-cap\">Glass fibre compounding \u2014 side feeder on a L\/D 60 build<\/span><\/div><div class=\"ms-slide\"><img decoding=\"async\" src=\"\/wp-content\/uploads\/2026\/11\/pvc-compounding.webp\" alt=\"PVC compounding \u2014 twin screw run at filling-limited torque\" loading=\"lazy\"><span class=\"ms-cap\">PVC compounding \u2014 twin screw run at filling-limited torque<\/span><\/div><div class=\"ms-slide\"><img decoding=\"async\" src=\"\/wp-content\/uploads\/2026\/11\/hffr-cable-compound.webp\" alt=\"HFFR cable compound \u2014 55% ATH on a two-stage build\" loading=\"lazy\"><span class=\"ms-cap\">HFFR cable compound \u2014 55% ATH on a two-stage build<\/span><\/div><div class=\"ms-slide\"><img decoding=\"async\" src=\"\/wp-content\/uploads\/2026\/11\/cable-compound-pelletizing.webp\" alt=\"Strand pelletizing face \u2014 die, water bath and air knife\" loading=\"lazy\"><span class=\"ms-cap\">Strand pelletizing face \u2014 die, water bath and air knife<\/span><\/div><div class=\"ms-slide\"><img decoding=\"async\" src=\"\/wp-content\/uploads\/2026\/11\/engineering-plastics.webp\" alt=\"PA \/ PBT \/ PC engineering plastics compounding run\" loading=\"lazy\"><span class=\"ms-cap\">PA \/ PBT \/ PC engineering plastics compounding run<\/span><\/div><div class=\"ms-slide\"><div class=\"ms-video\" data-yt=\"WcnkneiO6-w\"><img decoding=\"async\" src=\"\/wp-content\/uploads\/2026\/11\/compounding-extrusion.webp\" alt=\"Running video \u2014 KTE-65B twin screw extruder, air-cooling strand pelletizing\" loading=\"lazy\"><button type=\"button\" class=\"ms-play\" aria-label=\"Play video\">&#9654;<\/button><\/div><span class=\"ms-cap\">Running video \u2014 KTE-65B twin screw extruder, air-cooling strand pelletizing<\/span><\/div><\/div>\n<button type=\"button\" class=\"ms-nav prev\" aria-label=\"Previous slide\">&#8249;<\/button>\n<button type=\"button\" class=\"ms-nav next\" aria-label=\"Next slide\">&#8250;<\/button>\n<div class=\"ms-dots\"><button type=\"button\" data-i=\"0\" class=\"ms-dot on\" aria-label=\"Slide 1\"><\/button><button type=\"button\" data-i=\"1\" class=\"ms-dot\" aria-label=\"Slide 2\"><\/button><button type=\"button\" data-i=\"2\" class=\"ms-dot\" aria-label=\"Slide 3\"><\/button><button type=\"button\" data-i=\"3\" class=\"ms-dot\" aria-label=\"Slide 4\"><\/button><button type=\"button\" data-i=\"4\" class=\"ms-dot\" aria-label=\"Slide 5\"><\/button><button type=\"button\" data-i=\"5\" class=\"ms-dot\" aria-label=\"Slide 6\"><\/button><button type=\"button\" data-i=\"6\" class=\"ms-dot\" aria-label=\"Slide 7\"><\/button><\/div>\n<\/div>\n<div class=\"appmedia-text\">\n<section class=\"qa\" id=\"answer\"><nav class=\"wp-block-rank-math-toc-block k3-toc\" aria-label=\"On this page\"><b>On this page:<\/b><a href=\"#rm-s1\">Quick answer<\/a><a href=\"#rm-s2\">What sets the limit<\/a><a href=\"#rm-s3\">Process flow, step by step<\/a><a href=\"#rm-s4\">Equipment configuration<\/a><a href=\"#rm-s5\">Output by model<\/a><\/nav><h2 id=\"rm-s1\">Quick answer<\/h2><p>A compounding extrusion line for filled, reinforced, toughened and alloyed plastics runs <strong>50\u20134,000 kg\/h<\/strong> on co-rotating twin screws from KTE-36 to KTE-135D, with L\/D specified per formulation (28\u201360). Screw configuration is the product, not the frame size.<\/p><\/section>\n<\/div>\n<\/div><\/div>\n<div class=\"wrap\"><div class=\"grid\"><main>\n<div class=\"stats\"><div class=\"stat\"><b>50\u20134,000 kg\/h<\/b><span>line output<\/span><\/div><div class=\"stat\"><b>40\u201348<\/b><span>L\/D, typical<\/span><\/div><div class=\"stat\"><b>KTE-36\u2013135D<\/b><span>model coverage<\/span><\/div><\/div>\n<p class=\"note\">Workshop photos and a running video \u2014 shot on our own lines, not stock images.<\/p>\n\n<h2 class=\"sec\" id=\"limit\" id=\"rm-s2\">What sets the limit<\/h2>\n<p class=\"lead\">Resin and additives are metered into barrel 1, melted, mixed through conveying and kneading blocks selected for the formulation, devolatilized under vacuum where needed, filtered and pelletized.<\/p>\n<div class=\"tw\"><table><caption><b>Table 1.<\/b> Key parameters for plastic compounding extrusion line. Reference values \u2014 confirm on a material trial.<\/caption>\n<thead><tr><th scope=\"col\">Parameter<\/th><th scope=\"col\">Value \/ range<\/th><\/tr><\/thead><tbody><tr><td><b>Output<\/b><\/td><td>50\u20134,000 kg\/h<\/td><\/tr><tr><td><b>Screw diameter<\/b><\/td><td>36\u2013135 mm<\/td><\/tr><tr><td><b>L\/D<\/b><\/td><td>28\u201360, selected by formulation<\/td><\/tr><tr><td><b>Feeding<\/b><\/td><td>1\u20135 gravimetric feeders + side feeder<\/td><\/tr><tr><td><b>Pelletizing<\/b><\/td><td>Strand, water ring, underwater<\/td><\/tr><tr><td><b>Model<\/b><\/td><td>KTE-36B to KTE-135D<\/td><\/tr><\/tbody><\/table><\/div>\n<p class=\"note\">Output figures are measured on the reference material stated above. Filler grade, bulk density and moisture move output by \u00b115% \u2014 that is why every quotation we issue is tied to a trial report.<\/p>\n\n<h2 class=\"sec\" id=\"process\" id=\"rm-s3\">Process flow, step by step<\/h2>\n<ol class=\"flow\"><li><b>Feeding<\/b>Loss-in-weight dosing of polymer and filler; side feeder or liquid injection where the formulation needs it.<\/li><li><b>Melting and dispersing<\/b>Screw geometry with 45\u00b0\/90\u00b0 kneading blocks; barrel profile set by the polymer.<\/li><li><b>Devolatilization<\/b>Vacuum vent at \u22120.06 to \u22120.09 MPa removes moisture and volatiles before the die.<\/li><li><b>Pressure build-up<\/b>Throttle or discharge section stabilises die pressure; a melt pump where gauge control matters.<\/li><li><b>Pelletizing and packing<\/b>Strand, water ring, underwater; then centrifugal dryer, vibrating screen and bagging.<\/li><\/ol>\n\n<h2 class=\"sec\" id=\"equipment\" id=\"rm-s4\">Equipment configuration<\/h2>\n<div class=\"tw\"><table><caption><b>Table 2.<\/b> What the line is made of, and why each part is specified that way.<\/caption>\n<thead><tr><th scope=\"col\">Stage<\/th><th scope=\"col\">Equipment<\/th><th scope=\"col\">Why this choice<\/th><\/tr><\/thead><tbody>\n<tr><td>Main machine<\/td><td><a href=\"\/machines\/co-rotating-twin-screw-extruder\/\">Co-Rotating Twin Screw Extruder<\/a><\/td><td>Architecture follows the filling level and the mixing duty, not the required tonnage.<\/td><\/tr>\n<tr><td>Screw geometry<\/td><td>Building-block elements, W6Mo5Cr4V2, bimetallic liner<\/td><td>Wear package for abrasive filler; mixing blocks only where dispersion demands them.<\/td><\/tr>\n<tr><td>Feeding<\/td><td><a href=\"\/machines\/gravimetric-feeding-system\/\">Loss-in-weight feeder<\/a>, side feeder where needed<\/td><td>Recipe accuracy: \u00b10.5% short term on the weighed component.<\/td><\/tr>\n<tr><td>Pelletizing<\/td><td><a href=\"\/machines\/pelletizing-systems\/\">Pelletizing system<\/a><\/td><td>Chosen by polymer and filler ceiling \u2014 water contact is the deciding column.<\/td><\/tr>\n<tr><td>Downstream<\/td><td>Centrifugal dryer, vibrating screen, bagging<\/td><td>Fines below 2% and moisture below the specification of your downstream process.<\/td><\/tr>\n<\/tbody><\/table><\/div>\n\n<h2 class=\"sec\" id=\"output\" id=\"rm-s5\">Output by model<\/h2>\n<div class=\"tw\"><table><caption><b>Table 3.<\/b> Co-rotating twin screw KTE \u2014 reference output. Full range on the <a href=\"\/machines\/co-rotating-twin-screw-extruder\/\">machine page<\/a>.<\/caption>\n<thead><tr><th scope=\"col\">Model<\/th><th scope=\"col\">Dia. (mm)<\/th><th scope=\"col\">Speed (rpm)<\/th><th scope=\"col\">Motor (kW)<\/th><th scope=\"col\">Torque (N\u00b7m)<\/th><th scope=\"col\">Output (kg\/h)<\/th><\/tr><\/thead><tbody><tr><td class=\"num\"><a href=\"\/applications\/kte-50b\/\">KTE-50B<\/a><\/td><td class=\"num\">50.5<\/td><td class=\"num\">500\u2013600<\/td><td class=\"num\">55\u201375<\/td><td class=\"num\">2\u00d7525<\/td><td class=\"num\">80\u2013200<\/td><\/tr><tr><td class=\"num\"><a href=\"\/applications\/kte-50d\/\">KTE-50D<\/a><\/td><td class=\"num\">50.5<\/td><td class=\"num\">300\u2013800<\/td><td class=\"num\">75\u201390<\/td><td class=\"num\">2\u00d7860<\/td><td class=\"num\">100\u2013300<\/td><\/tr><tr><td class=\"num\"><a href=\"\/applications\/kte-52b\/\">KTE-52B<\/a><\/td><td class=\"num\">51.4<\/td><td class=\"num\">500\u2013600<\/td><td class=\"num\">55\u201375<\/td><td class=\"num\">2\u00d7720<\/td><td class=\"num\">80\u2013200<\/td><\/tr><tr><td class=\"num\"><a href=\"\/applications\/kte-52d\/\">KTE-52D<\/a><\/td><td class=\"num\">51.4<\/td><td class=\"num\">500\u2013600<\/td><td class=\"num\">75\u2013110<\/td><td class=\"num\">2\u00d71050<\/td><td class=\"num\">100\u2013400<\/td><\/tr><tr><td class=\"num\"><a href=\"\/applications\/kte-65b\/\">KTE-65B<\/a><\/td><td class=\"num\">62.4<\/td><td class=\"num\">500\u2013600<\/td><td class=\"num\">90\u2013110<\/td><td class=\"num\">2\u00d7860<\/td><td class=\"num\">200\u2013450<\/td><\/tr><tr><td class=\"num\"><a href=\"\/applications\/kte-65d\/\">KTE-65D<\/a><\/td><td class=\"num\">62.4<\/td><td class=\"num\">300\u2013800<\/td><td class=\"num\">132\u2013160<\/td><td class=\"num\">2\u00d71530<\/td><td class=\"num\">350\u2013600<\/td><\/tr><tr><td class=\"num\"><a href=\"\/applications\/kte-75b\/\">KTE-75B<\/a><\/td><td class=\"num\">71<\/td><td class=\"num\">500\u2013600<\/td><td class=\"num\">132\u2013160<\/td><td class=\"num\">2\u00d71530<\/td><td class=\"num\">300\u2013800<\/td><\/tr><tr><td class=\"num\"><a href=\"\/applications\/kte-75d\/\">KTE-75D<\/a><\/td><td class=\"num\">71<\/td><td class=\"num\">300\u2013800<\/td><td class=\"num\">200\u2013315<\/td><td class=\"num\">2\u00d72100<\/td><td class=\"num\">500\u20131000<\/td><\/tr><tr><td class=\"num\"><a href=\"\/applications\/kte-85b\/\">KTE-85B<\/a><\/td><td class=\"num\">85<\/td><td class=\"num\">500\u2013600<\/td><td class=\"num\">220\u2013315<\/td><td class=\"num\">2\u00d72100<\/td><td class=\"num\">550\u20131000<\/td><\/tr><tr><td class=\"num\"><a href=\"\/applications\/kte-95b\/\">KTE-95B<\/a><\/td><td class=\"num\">93<\/td><td class=\"num\">500\u2013600<\/td><td class=\"num\">250\u2013315<\/td><td class=\"num\">2\u00d73000<\/td><td class=\"num\">800\u20131500<\/td><\/tr><tr><td class=\"num\"><a href=\"\/applications\/kte-95d\/\">KTE-95D<\/a><\/td><td class=\"num\">93<\/td><td class=\"num\">500\u2013800<\/td><td class=\"num\">315\u2013500<\/td><td class=\"num\">2\u00d74800<\/td><td class=\"num\">1000\u20132000<\/td><\/tr><tr><td class=\"num\"><a href=\"\/applications\/kte-135b\/\">KTE-135B<\/a><\/td><td class=\"num\">135<\/td><td class=\"num\">500\u2013600<\/td><td class=\"num\">315\u2013500<\/td><td class=\"num\">2\u00d74800<\/td><td class=\"num\">1500\u20133000<\/td><\/tr><tr><td class=\"num\"><a href=\"\/applications\/kte-135d\/\">KTE-135D<\/a><\/td><td class=\"num\">135<\/td><td class=\"num\">500\u2013800<\/td><td class=\"num\">500\u20131000<\/td><td class=\"num\">2\u00d77800<\/td><td class=\"num\">1500\u20134000<\/td><\/tr><\/tbody><\/table><\/div>\n\n<h2 class=\"sec\" id=\"mistakes\" id=\"rm-s6\">Three mistakes that cost the most<\/h2>\n<div class=\"call warn\"><h4>1. Copying a screw configuration from a different formulation<\/h4><p>Copying a screw configuration from a different formulation \u2014 the same machine makes good PA-GF and poor PC\/ABS with the wrong blocks.<\/p><\/div><div class=\"call warn\"><h4>2. No vacuum devolatilization on hygroscopic resins: moisture shows up as silver streaks.<\/h4><p>No vacuum devolatilization on hygroscopic resins: moisture shows up as silver streaks.<\/p><\/div><div class=\"call warn\"><h4>3. Ordering capacity by the top catalogue figure<\/h4><p>Ordering capacity by the top catalogue figure \u2014 that number belongs to a favourable formulation; quote by material family and confirm on a trial before it becomes a contract.<\/p><\/div>\n\n<h2 class=\"sec\" id=\"faq\" id=\"rm-s7\">FAQ<\/h2>\n<details open><summary>How do you select L\/D?<\/summary><p>By dispersion requirement and number of downstream operations: 32\u201336 for simple filling, 40\u201348 for reinforcement and devolatilization, 52\u201360 for reactive extrusion.<\/p><\/details><details><summary>Can the line run glass fibre?<\/summary><p>Yes with a side feeder and a wear package; glass fibre is fed downstream into the melt, never into the feed throat.<\/p><\/details><details><summary>What output can you guarantee for this application?<\/summary><p>The reference band is 50\u20134,000 kg\/h, measured on the stated material. We quote a guaranteed figure only after a trial on your own material, because filler grade, bulk density and moisture move output by \u00b115%.<\/p><\/details><details><summary>Can we run our material before ordering?<\/summary><p>Yes \u2014 send 25\u201350 kg. We return pellets, a running video and a report with temperatures, screw speed, feeder settings and output per hour. The trial is free; you cover the freight.<\/p><\/details><details><summary>What is the delivery time?<\/summary><p>30\u201345 working days for standard configurations, 45\u201370 for custom screw geometry and ODM work. Voltage and frequency are built for the destination country.<\/p><\/details>\n\n<div class=\"method\"><h2 id=\"rm-s8\">Where these numbers come from<\/h2>\n<p>Parameters are taken from the Kerke product parameter table and the product master data sheet, and cross-checked against commissioning records for lines in the same application. Formulations and temperature windows are typical industry values, not a recommendation for your specific compound \u2014 every figure marked <em>reference<\/em> must be confirmed on a material trial before it becomes a contractual number.<\/p>\n<p>Reviewed by the Kerke process team, Nanjing. Page updated 6 November 2026.<\/p><\/div>\n\n<div class=\"related\"><h2 id=\"rm-s9\">Related<\/h2><div class=\"rel-grid\"><a class=\"rel\" href=\"\/applications\/engineering-plastic-compounding\/\"><span>Application<\/span>Engineering Plastics Compounding Line<\/a><a class=\"rel\" href=\"\/applications\/plastic-modification-line\/\"><span>Application<\/span>Plastic Modification Line<\/a><a class=\"rel\" href=\"\/machines\/co-rotating-twin-screw-extruder\/\"><span>Machine<\/span>Co-Rotating Twin Screw Extruder (KTE-50B to KTE-135D)<\/a><a class=\"rel\" href=\"\/machines\/pelletizing-systems\/\"><span>Machine<\/span>Pelletizing systems: 7 methods compared<\/a><a class=\"rel\" href=\"\/knowledge\/pelletizing-methods-compared\/\"><span>Knowledge<\/span>Seven pelletizing methods compared<\/a><a class=\"rel\" href=\"\/knowledge\/twin-screw-extruder-size-chart\/\"><span>Knowledge<\/span>Twin screw size chart, 16\u2013135 mm<\/a><\/div><\/div>\n<div class=\"cta\"><div><b>Tell us your material \u2014 we will tell you the line<\/b><p>Send 25\u201350 kg and we run it on our lab extruder: pellets, running video and a capacity report back in 3\u20137 days.<\/p><\/div>\n<div class=\"acts\"><a href=\"\/get-a-quote\/\">Get a quote<\/a>\n<a class=\"alt\" href=\"\/get-a-quote\/#trial\">Send material for trial<\/a><\/div><\/div>\n<\/main>\n<aside><h5>On this page<\/h5><ol><li><a href=\"#answer\">Quick answer<\/a><\/li><li><a href=\"#limit\">What sets the limit<\/a><\/li><li><a href=\"#process\">Process flow<\/a><\/li><li><a href=\"#equipment\">Equipment configuration<\/a><\/li><li><a href=\"#output\">Output by model<\/a><\/li><li><a href=\"#mistakes\">Costly mistakes<\/a><\/li><li><a href=\"#faq\">FAQ<\/a><\/li><\/ol>\n<div class=\"sidecard\"><b>Which line for your filling level?<\/b>\n<p>Below 85% one twin screw is enough; above it, architecture changes. Tell us the number before we talk tonnage.<\/p>\n<a class=\"btn\" href=\"\/get-a-quote\/\">Ask an engineer<\/a>\n<a class=\"btn ghost\" href=\"\/applications\/\">Browse by material<\/a><\/div>\n<\/aside><\/div><\/div>\n<script>\n(function(){\n  var root=document.getElementById('appslider'); if(!root) return;\n  var slides=[].slice.call(root.querySelectorAll('.ms-slide'));\n  var dots=[].slice.call(root.querySelectorAll('.ms-dot'));\n  var cur=0, timer=null, locked=false;\n  function show(i){\n    cur=(i+slides.length)%slides.length;\n    slides.forEach(function(s,j){\n      s.classList.toggle('on', j===cur);\n      var v=s.querySelector('.ms-video');\n      if(j!==cur && v){ var f=v.querySelector('iframe');\n        if(f){ f.remove(); var p=v.querySelector('.ms-play'); if(p) p.style.display=''; } }\n    });\n    dots.forEach(function(d,j){ d.classList.toggle('on', j===cur); });\n    var v=slides[cur].querySelector('.ms-video');\n    if(v){ locked=true; stop(); playVideo(v); }\n  }\n  \/* \u81ea\u52a8\u64ad\u653e\uff1a3s \u4e00\u5f20\uff1b\u60ac\u505c\u6682\u505c\uff0c\u79fb\u51fa\u6062\u590d\uff1b\u8f6e\u5230\u89c6\u9891\u81ea\u52a8\u9759\u97f3\u64ad\u653e\u5e76\u505c\u7559\uff08locked\uff09\uff0c\u624b\u52a8\u5207\u6362\u540e\u6062\u590d\u8f6e\u64ad *\/\n  function start(){ if(timer || document.hidden || locked) return; timer=setInterval(function(){ show(cur+1); }, 3000); }\n  function stop(){ if(timer){ clearInterval(timer); timer=null; } }\n  function playVideo(v){\n    if(v.querySelector('iframe')) return;\n    var f=document.createElement('iframe');\n    f.src='https:\/\/www.youtube.com\/embed\/'+v.dataset.yt+'?autoplay=1&mute=1&rel=0';\n    f.setAttribute('allow','autoplay; encrypted-media; picture-in-picture');\n    f.setAttribute('allowfullscreen','');\n    var p=v.querySelector('.ms-play'); if(p) p.style.display='none';\n    v.insertBefore(f, p);\n  }\n  function manual(i){ locked=false; show(i); start(); }\n  document.addEventListener('visibilitychange', function(){ if(document.hidden) stop(); else start(); });\n  root.addEventListener('mouseenter', stop);\n  root.addEventListener('mouseleave', function(){ if(!locked) start(); });\n  root.querySelector('.prev').addEventListener('click', function(){ manual(cur-1); });\n  root.querySelector('.next').addEventListener('click', function(){ manual(cur+1); });\n  dots.forEach(function(d){ d.addEventListener('click', function(){ manual(+d.dataset.i); }); });\n  root.addEventListener('click', function(e){\n    var p=e.target.closest('.ms-play'); if(!p) return;\n    locked=true; stop(); playVideo(p.parentNode);\n  });\n  show(0);\n  start();\n})();\n<\/script>\n<script type=\"application\/ld+json\">{\"@context\": \"https:\/\/schema.org\", \"@graph\": [{\"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"How do you select L\/D?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"By dispersion requirement and number of downstream operations: 32\u201336 for simple filling, 40\u201348 for reinforcement and devolatilization, 52\u201360 for reactive extrusion.\"}}, {\"@type\": \"Question\", \"name\": \"Can the line run glass fibre?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes with a side feeder and a wear package; glass fibre is fed downstream into the melt, never into the feed throat.\"}}, {\"@type\": \"Question\", \"name\": \"What output can you guarantee for this application?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The reference band is 50\u20134,000 kg\/h, measured on the stated material. We quote a guaranteed figure only after a trial on your own material, because filler grade, bulk density and moisture move output by \u00b115%.\"}}, {\"@type\": \"Question\", \"name\": \"Can we run our material before ordering?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes \u2014 send 25\u201350 kg. We return pellets, a running video and a report with temperatures, screw speed, feeder settings and output per hour. The trial is free; you cover the freight.\"}}, {\"@type\": \"Question\", \"name\": \"What is the delivery time?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"30\u201345 working days for standard configurations, 45\u201370 for custom screw geometry and ODM work. Voltage and frequency are built for the destination country.\"}}]}, {\"@type\": \"BreadcrumbList\", \"itemListElement\": [{\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/www.kerkepm.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Applications\", \"item\": \"https:\/\/www.kerkepm.com\/applications\/\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"Compounding Extrusion Line\"}]}]}<\/script>\n<div class=\"wrap\"><section class=\"k3-more\" id=\"rm-more\"><h2>Compounding extrusion line \u2014 the short version<\/h2><p>Note on compounding extrusion line: the numbers above are reference ranges from Kerke's own trial runs, not catalogue promises. Screw geometry, wear package and pelletizing method are set on the trial bench first, so the output you compare is the output you get. If your grade is not in the tables, send it \u2014 the closest configuration is usually a change of screw set, not a different machine.<\/p><p>Planning an upgrade this quarter? Send the material and the target output \u2014 the configuration comes back within one working day.<\/p><p>Every quotation lists the wear package as a separate line, so its cost is visible from day one.<\/p><p>Questions are answered the same day, in English or Chinese.<\/p><p>Note on compounding extrusion line: the data on this page was last verified on our own test line in Nanjing.<\/p><p>Not sure which compounding extrusion line configuration fits? Describe the material and the pellet shape required \u2014 we answer with a recommendation, not a brochure.<\/p><p>A compounding extrusion line from Kerke ships with CE documentation, a test-run record and a recommended spare set.<\/p><p class=\"k3-rel\"><b>Related on this site:<\/b> <a href=\"\/machines\/co-rotating-twin-screw-extruder\/\">Machine range: KTE-50B to 135D<\/a> \u00b7 <a href=\"\/knowledge\/pelletizing-methods-compared\/\">Pelletizing methods compared<\/a> \u00b7 <a href=\"\/get-a-quote\/\">quotation and free trial<\/a> \u00b7 <a href=\"https:\/\/en.wikipedia.org\/wiki\/Masterbatch\" target=\"_blank\" rel=\"noopener\">Wikipedia: Masterbatch<\/a><\/p><\/section><\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Home\/Applications\/Compounding Extrusion Line Application \u00b7 Plastic Modification Compounding Extrusion Line: 50\u20134,000 kg\/h Compounding covers everything from 20% glass fibre in PA6 to 3% additive in PP. The first question is never tonnage but whether the formulation needs side feeding and devolatilization \u2014 that decides L\/D. A reference compounding extrusion line page from Kerke. Updated 6 [&#8230;]\n","protected":false},"author":1,"featured_media":318,"parent":23,"menu_order":106,"comment_status":"closed","ping_status":"closed","template":"page-blank.php","meta":{"footnotes":""},"application":[35],"app_group":[17],"class_list":["post-33","page","type-page","status-publish","has-post-thumbnail","hentry","application-compounding-extrusion","app_group-modification"],"_links":{"self":[{"href":"https:\/\/kerkepm.com\/es\/wp-json\/wp\/v2\/pages\/33","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=33"}],"version-history":[{"count":0,"href":"https:\/\/kerkepm.com\/es\/wp-json\/wp\/v2\/pages\/33\/revisions"}],"up":[{"embeddable":true,"href":"https:\/\/kerkepm.com\/es\/wp-json\/wp\/v2\/pages\/23"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/kerkepm.com\/es\/wp-json\/wp\/v2\/media\/318"}],"wp:attachment":[{"href":"https:\/\/kerkepm.com\/es\/wp-json\/wp\/v2\/media?parent=33"}],"wp:term":[{"taxonomy":"application","embeddable":true,"href":"https:\/\/kerkepm.com\/es\/wp-json\/wp\/v2\/application?post=33"},{"taxonomy":"app_group","embeddable":true,"href":"https:\/\/kerkepm.com\/es\/wp-json\/wp\/v2\/app_group?post=33"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}