What can be used to clean plastic processing machines?

The company Granula Polymer sells cleaning granules under the Granaclean brand - including a variant whose ingredients are 100% biodegradable.
Steel screw: Contamination can occur in the "dead" zones on a "screw". Chemical-mechanical cleaners with an expanding effect are ideal for removing these.

Contamination can occur in the "dead" zones on a "screw". Chemical-mechanical cleaners with an expanding effect are ideal for removing these. (Image: Granula Polymer)

For all machines in the plastics processing industry "that have a screw that rotates": This is how the family-run company Granula Polymer, based in Groß-Umstadt near Frankfurt am Main, defines the main area of application for its patented cleaning granules
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Granaclean. Specifically, this is used in extrusion, for example in blown film, casting and filament, compounding and masterbatch production - but also in injection molding and hot runner technology. The cleaning granulate is used here, for example, for maintenance and regular care, when changing colors and materials or when contamination occurs in the product. The latter occurs in the form of black spots, streaks or agglomerates of raw materials and fillers.