Proven efficient purge compounds are changing the previous process landscape

Convincing results for your production.


Chem-Trend enables process change. And Ultra Purge™ 3615 is the powerful technology you’ve been waiting for.

Fast? Easy? Efficient? Solved.

We stand for innovation and high-performance technologies. Together with you, our partners in thermoplastics processing, our industry-experienced experts achieve convincing results for your operation with our purge compounds. We provide solutions that are better than others and provide you with competitive advantages through higher efficiency and consistent process changes.


Are you a compounder and looking to reduce equipment downtime by 50-90%? Our Ultra Purge™ 3615 purge compounds will do that for you.

Our Ultra Purge™ 3615 purge compounds allow compounders to reduce their downtime* by 50-90%.

Fast. Easy. Efficient.

  • Reduces downtime during material changes and screw pulls, especially when changing polymers or colours
  • Cleans extruders efficiently
  • Leaves the screw completely clean and free of contaminants, even with frequent pulls or changeovers
  • Chem-Trend’s proprietary “self-emptying” technology uses a blend of cleaning agents to remove any polymer from the screw
  • Quick and easy screw pulls

*Compared to conventional polymer or traditional cleaning

Blow moulding.

You are a blow moulding manufacturer and want to achieve 50-90% less scrap and downtime*! Our Ultra Purge™ 3615 purge compound can do this for you.

Our Ultra Purge™ 3615 purge compound allows blow moulding manufacturers to reduce scrap and downtime by 50-90%*.

Fast. Easy. Efficient.

  • Reduces scrap during colour changes
  • Minimises downtime for cleaning and holiday shutdowns
  • Improves start-up, whether the screw is pulled during shutdown or not
  • Leaves screw and extruder head free of residue or traces of purge compound
  • Enables seamless colour changes
  • Food grade, recyclable and packaging safe for extrusion screens

*Compared to virgin polymers

Problems? Solved.

Are you a compounder or a blow moulder who wants to get rid of the common problems caused by material change, color change, screw pulls and change-overs? Our Ultra Purge™ 3615 purge compounds optimise your processes for higher efficiency and productivity.

Whether compounding or blow moulding, we help your production overcome problems and optimise solutions with our Ultra Purge™ 3615 purge compound.

Fast. Easy. Efficient. For both compounding and blow moulding machines.

  • Quick and easy start-up
  • Chem-Trend’s proprietary “self-emptying” technology uses a blend of cleaning agents to simplify any machine changeover and effortlessly remove any colour contamination or carbonisation.
  • Removes virtually all black specks or carbonisation, even after improper shutdowns
  • Only a few tools are needed for manual cleaning of the machine
A brand of Freudenberg.
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