Purging

Purging compounds are used by processors to clean out polymer, color and other impurities from the machine and tooling between production runs. There are three general kinds of purging compounds: chemical; abrasive; and non-abrasive.

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Materials at NPE: New Solutions to Enhance Processing, Performance, Sustainability & Cost

There was no shortage of new thermoplastics and additives covering the full range of end-use applications.
Features

Get the Most Bang For Your Purging Buck

More processors are turning to purging compounds to clean their machines and speed up changeovers. Here are tips on how to avoid typical trouble spots when using them.
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MATERIALS: Hybrid Purging Compound for PP Color Changes

Dyna-Purge claims introduction of first "hybrid" purging compound--combining key features of mechanical and chemical products.