Purging Compound Insights And Tips

Eric Despotovich

Recent Posts

Quick Blown-Film Tip: How to Remove Carbon & Gels From a Spiral Die

When producing film from a spiral die, carbon and gels can cause catastrophic failure. This..

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Compounders: Plug Your Vents for Better Purging Power

Most compounders using twin-screw extruders need to regularly worry about their vents.  For..

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3 Tips to Guarantee a Clean Machine at Start-Up

  There are few things more frustrating than starting a morning shift following a shutdown and..

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4 Tips:Reduce Residue in Clear Applications for Injection & Extrusion

   As most of you may know, when processing resins such as Polycarbonate, Acrylic, TPU or..

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Stop Running to Failure: A Tip for Extrusion

  Extrusion processors often overlook the importance of purging compounds.  Processors working..

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Regrind & What You Should Do With It

We've long established that regrind isn't an acceptable substitute for purging compounds and..

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5 Easy Tips for Maintaining a Bubble During  on-the-fly Color Changes in Blown Film Extrusion

If you are a blown film manufacturer, then you know how hard it is to complete a color change..

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The Importance of Plugging the Vents During a  Purge Sequence

While working with many compounders in North America, it has come to my attention that the..

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How to Prevent Splitting Hangar Dies for Color or Material Changes for Cast Film Extrusion

I recently visited a prospect who produces cast films from 0.003” to 0.025” in various resins..

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10 Tips to Remove Carbon From Hanger Dies in Cast Film Applications

 Recently I was speaking with a processor I met at NPE 2018 who was having trouble with their..

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