Clean KDN

Clean KDN®

The purging compound for fluoropolymer conversion

Clean KDN is one of the latest innovations coming from Polytechs Laboratory. He is a purging compound containing a high level of additives semi-abrasive minerals and organic additives based on HDPE. The product in granular form opaque, beige, is used to reduce the cleaning time. This product runs smoothly and can itself be easily removed from the extruder. This product do not contain silica or oleamide. Approved internally and by industry peers – from 2 to 8 shots only to purge & clean challenging color changes.


Contact us and receive full document with all of our knowledges about Clean KDN, the purging compound for fluoropolymer conversion, including :

  • Applications
  • Temperatures
  • MFI
  • Compatible resins

For which applications

  • Pipes tubes & profiles

For which resins

  • Fluorinated polymers

Contact our team of purging compound experts to define together the purging grade you need as well as the right process to settle and adjust.  Remember that beyond being a product range, Clean Xpress is the purging step, ensuring hybrid cleaning effects, playing with chemical affinity between the carrier and the material to purge, and finally implemeting the right procedure for your dedicated needs.

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