{"id":2288,"date":"2026-11-09T21:43:50","date_gmt":"2026-11-09T13:43:50","guid":{"rendered":"https:\/\/kerkepm.com\/cases\/"},"modified":"2026-11-11T13:12:30","modified_gmt":"2026-11-11T05:12:30","slug":"cases","status":"publish","type":"page","link":"https:\/\/kerkepm.com\/es\/cases\/","title":{"rendered":"Extrusion case studies"},"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>Case studies<\/div><\/div><div class=\"wrap\"><div class=\"hero\">\n<p class=\"kicker\">8 field cases \u00b7 2012\u20132026<\/p>\n<h1>Extrusion case studies: what actually went wrong, and what fixed it<\/h1>\n<p class=\"dek\">Eight lines in eight countries, written from the commissioning record rather than the sales file: a filler masterbatch extruder chasing output with screw speed in Dubai, a two stage single screw extruder that never ran in Japan, PET flake held at 0.6\u20130.79 dL\/g in Cambodia, and a first-build TPE underwater pelletizing line in Korea. Each page carries the readings, the changes and the settings that a reader running the same material can use. A reference extrusion case studies page from Kerke.<\/p>\n<div class=\"byline\"><div><b>8<\/b> case studies<\/div><div><b>8<\/b> countries<\/div>\n<div><b>5<\/b> material families<\/div><div><b>1\u20133 weeks<\/b> typical commissioning<\/div><\/div>\n<\/div><\/div>\n<div class=\"wrap\"><div style=\"padding:34px 0 60px\">\n<p class=\"lead\">These extrusion case studies are not testimonials. Every one of them starts with a line that was making bad product, and the useful part of the page is the middle: the reading that sat outside its window, the setting that had been copied from another material, the assumption that cost a week. Read the one closest to your own material, then compare the numbers with your panel before you change anything.<\/p>\n<div class=\"cards\"><a class=\"card\" href=\"\/cases\/dubai-filler-masterbatch-extruder\/\"><h3>Filler masterbatch \u2014 Dubai<\/h3><p>A PE filler masterbatch producer in Dubai ran a KTE-75B at 560 rpm to chase output and got yellowed, porous pellets instead. The filler masterbatch ex\u2026<\/p><span class=\"meta\"><b>KTE-75B<\/b> \u00b7 3 days engineer on site<\/span><\/a><a class=\"card\" href=\"\/cases\/japan-two-stage-single-screw-extruder\/\"><h3>Waste material recycling \u2014 Japan<\/h3><p>The customer had run similar equipment for years, so they declined installation on their new SE-140 \/ SE-140 two stage single screw extruder. It never\u2026<\/p><span class=\"meta\"><b>SE-140 \/ SE-140<\/b> \u00b7 1 week on site<\/span><\/a><a class=\"card\" href=\"\/cases\/cambodia-pet-flake-pelletizing-line\/\"><h3>PET bottle flake \u2014 Cambodia<\/h3><p>A bottle-flake recycler in Cambodia bought a KTE-75B after running their own flake on it in Nanjing. The PET flake pelletizing line now returns pellet\u2026<\/p><span class=\"meta\"><b>KTE-75B<\/b> \u00b7 0.6\u20130.79 dL\/g pellet IV<\/span><\/a><a class=\"card\" href=\"\/cases\/germany-graphite-compounding-line\/\"><h3>Graphite, ABS\/HIPS, pencil \u2014 Germany<\/h3><p>A German compounder bought five machines at once \u2014 KTE-20, KTE-36B, KTE-50B, KTE-65B and an SE-30 \u2014 for graphite compounds, ABS and HIPS granules and \u2026<\/p><span class=\"meta\"><b>KTE-65B<\/b> \u00b7 5 lines commissioned<\/span><\/a><a class=\"card\" href=\"\/cases\/kuwait-pe-film-recycling-line\/\"><h3>PE film recycling \u2014 Kuwait<\/h3><p>A Kuwaiti recycler bought one KTE-75B for PE film, then reported the cooling pipe as a quality defect \u2014 twice, with a free replacement sent the first \u2026<\/p><span class=\"meta\"><b>KTE-75B<\/b> \u00b7 3 lines now running<\/span><\/a><a class=\"card\" href=\"\/cases\/pakistan-small-twin-screw-extruder\/\"><h3>PE filler masterbatch \u2014 Pakistan<\/h3><p>The customer ordered a KTE-52B for PE filler masterbatch without ever visiting Nanjing. What made that safe was not trust \u2014 it was weekly progress pho\u2026<\/p><span class=\"meta\"><b>KTE-52B<\/b> \u00b7 1 year no breakdown<\/span><\/a><a class=\"card\" href=\"\/cases\/mexico-pa-glass-fiber-compounding\/\"><h3>PA + short glass fibre \u2014 Mexico<\/h3><p>A compounder in Mexico bought a KTE-75D for PA with short glass fibre. The container arrived with damage; photographs went over the same day and the r\u2026<\/p><span class=\"meta\"><b>KTE-75D<\/b> \u00b7 2 days damage to dispatch<\/span><\/a><a class=\"card\" href=\"\/cases\/korea-tpe-underwater-pelletizing\/\"><h3>TPE elastomer \u2014 Korea<\/h3><p>Underwater pelletizing lines are expensive, and this one was our first build of its size. It ran on the first production campaign, paid for itself in \u2026<\/p><span class=\"meta\"><b>KTE-85B<\/b> \u00b7 3 months payback reported<\/span><\/a><\/div>\n<nav class=\"wp-block-rank-math-toc-block k3-toc\" aria-label=\"On this page\"><b>On this page:<\/b><a href=\"#index\">All eight extrusion case studies at a glance<\/a><a href=\"#how\">How to read an extrusion case studies page<\/a><a href=\"#rm-more\">The short version<\/a><\/nav><h2 class=\"sec\" id=\"index\">All eight extrusion case studies at a glance<\/h2>\n<div class=\"tw\"><table><caption><b>Table 1.<\/b> The eight extrusion case studies by country, material, machine and the figure that decided each one.<\/caption>\n<thead><tr><th scope=\"col\">Country<\/th><th scope=\"col\">Material<\/th><th scope=\"col\">Line<\/th><th scope=\"col\">Figure<\/th><th scope=\"col\">What it measures<\/th><\/tr><\/thead>\n<tbody><tr><td><a href=\"\/cases\/dubai-filler-masterbatch-extruder\/\"><b>Dubai, UAE<\/b><\/a><\/td><td>Filler masterbatch<\/td><td>KTE-75B<\/td><td class=\"num\">3 days<\/td><td>engineer on site<\/td><\/tr><tr><td><a href=\"\/cases\/japan-two-stage-single-screw-extruder\/\"><b>Japan<\/b><\/a><\/td><td>Waste material recycling<\/td><td>SE-140 \/ SE-140<\/td><td class=\"num\">1 week<\/td><td>on site<\/td><\/tr><tr><td><a href=\"\/cases\/cambodia-pet-flake-pelletizing-line\/\"><b>Cambodia<\/b><\/a><\/td><td>PET bottle flake<\/td><td>KTE-75B<\/td><td class=\"num\">0.6\u20130.79<\/td><td>dL\/g pellet IV<\/td><\/tr><tr><td><a href=\"\/cases\/germany-graphite-compounding-line\/\"><b>Germany<\/b><\/a><\/td><td>Graphite, ABS\/HIPS, pencil<\/td><td>KTE-65B<\/td><td class=\"num\">5<\/td><td>lines commissioned<\/td><\/tr><tr><td><a href=\"\/cases\/kuwait-pe-film-recycling-line\/\"><b>Kuwait<\/b><\/a><\/td><td>PE film recycling<\/td><td>KTE-75B<\/td><td class=\"num\">3<\/td><td>lines now running<\/td><\/tr><tr><td><a href=\"\/cases\/pakistan-small-twin-screw-extruder\/\"><b>Pakistan<\/b><\/a><\/td><td>PE filler masterbatch<\/td><td>KTE-52B<\/td><td class=\"num\">1 year<\/td><td>no breakdown<\/td><\/tr><tr><td><a href=\"\/cases\/mexico-pa-glass-fiber-compounding\/\"><b>Mexico<\/b><\/a><\/td><td>PA + short glass fibre<\/td><td>KTE-75D<\/td><td class=\"num\">2 days<\/td><td>damage to dispatch<\/td><\/tr><tr><td><a href=\"\/cases\/korea-tpe-underwater-pelletizing\/\"><b>Korea<\/b><\/a><\/td><td>TPE elastomer<\/td><td>KTE-85B<\/td><td class=\"num\">3 months<\/td><td>payback reported<\/td><\/tr><\/tbody><\/table><\/div>\n<h2 class=\"sec\" id=\"how\">How to read an extrusion case studies page<\/h2>\n<p>Each page follows the same four sections, so they can be compared with each other and with your own record. <b>Situation<\/b> sets out the line, the material and the symptom in the customer's words. <b>Readings<\/b> is the panel and hand data taken on site \u2014 this is the part worth copying into your own log. <b>Changes<\/b> lists what was altered and in what order, because the order matters when two settings interact. <b>Result<\/b> gives the outcome and the customer's own assessment, including the cases where the fault was on the customer's side of the battery limits.<\/p>\n<div class=\"call rule\"><h4>Three things every one of these cases has in common<\/h4>\n<p><b>The machine was rarely the defect.<\/b> In seven of the eight, the fix was settings, water, feeding or training. <b>The first diagnosis was wrong.<\/b> Every customer arrived with a theory \u2014 undersized machine, bad part, bad supplier \u2014 and every theory was testable with a gauge. <b>The fix was cheap once it was found.<\/b> No case on this page ends with a new extruder.<\/p><\/div>\n<h2 class=\"sec\" id=\"faq\">FAQ<\/h2><details><summary>How are the outputs in the cases measured?<\/summary><p>Each case states the material and the sampling method - typically weighed 60-second samples at stable settings, so the kg\/h figures are reproducible, not peak readings.<\/p><\/details><details><summary>Can I contact the reference customer directly?<\/summary><p>Case by case, yes. The faster route is a video call with the running line first; ask and we arrange it with the plant.<\/p><\/details><details><summary>My material is not in the case list - what now?<\/summary><p>Send 25-50 kg for a trial. The case library covers the common families; the trial answers for yours in 3-7 days with pellets and a measured output report.<\/p><\/details><script type=\"application\/ld+json\">{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"How are the outputs in the cases measured?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Each case states the material and the sampling method - typically weighed 60-second samples at stable settings, so the kg\/h figures are reproducible, not peak readings.\"}}, {\"@type\": \"Question\", \"name\": \"Can I contact the reference customer directly?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Case by case, yes. The faster route is a video call with the running line first; ask and we arrange it with the plant.\"}}, {\"@type\": \"Question\", \"name\": \"My material is not in the case list - what now?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Send 25-50 kg for a trial. The case library covers the common families; the trial answers for yours in 3-7 days with pellets and a measured output report.\"}}]}<\/script>\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<\/div><\/div>\n<div class=\"wrap\"><section class=\"k3-more\" id=\"rm-more\"><h2>Extrusion case studies \u2014 the short version<\/h2><figure class=\"k3-fig\"><img decoding=\"async\" src=\"\/wp-content\/uploads\/2026\/11\/kte-65b-co-rotating-twin-screw-extruder-01-1200.webp\" alt=\"extrusion case studies\" loading=\"lazy\" width=\"1200\" height=\"675\"><figcaption>Extrusion case studies \u2014 Kerke test line, Nanjing<\/figcaption><\/figure><p>Note on extrusion case studies: each record below is written the same way \u2014 what the line was doing, what the readings showed, what was changed, and what a reader running the same material should check before ordering. Start with the material closest to yours.<\/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\/Case studies 8 field cases \u00b7 2012\u20132026 Extrusion case studies: what actually went wrong, and what fixed it Eight lines in eight countries, written from the commissioning record rather than the sales file: a filler masterbatch extruder chasing output with screw speed in Dubai, a two stage single screw extruder that never ran in Japan, [&#8230;]\n","protected":false},"author":0,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"page-blank.php","meta":{"footnotes":""},"application":[],"app_group":[],"class_list":["post-2288","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/kerkepm.com\/es\/wp-json\/wp\/v2\/pages\/2288","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"}],"replies":[{"embeddable":true,"href":"https:\/\/kerkepm.com\/es\/wp-json\/wp\/v2\/comments?post=2288"}],"version-history":[{"count":0,"href":"https:\/\/kerkepm.com\/es\/wp-json\/wp\/v2\/pages\/2288\/revisions"}],"wp:attachment":[{"href":"https:\/\/kerkepm.com\/es\/wp-json\/wp\/v2\/media?parent=2288"}],"wp:term":[{"taxonomy":"application","embeddable":true,"href":"https:\/\/kerkepm.com\/es\/wp-json\/wp\/v2\/application?post=2288"},{"taxonomy":"app_group","embeddable":true,"href":"https:\/\/kerkepm.com\/es\/wp-json\/wp\/v2\/app_group?post=2288"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}