Technical datasheet

Struktol® WS 280 POWDER

Supplied byStruktol- Last Updated on Aug 28, 2025

Struktol® WS 280 POWDER by Struktol is a processing aid based on organosilicones. It is a condensation product of special fatty acid derivatives and silicones (75%) on inorganic carrier (25%).
  • It improves flow properties & release behavior in the processing of rubber as well as mold release of vulcanizates.
  • It has low volatility at high temperature, reduces mold fouling and provides good extrusion and excellent injection molding properties.
  • It is highly compatible with FPM compounds and rubber which enables utilization of the highly efficient lubrication effects of silicone without exudation or bloom.
  • Struktol® WS 280 POWDER has a recommended dosage of 0.5-2 phr.
  • The shelf life of this product is 18 months.
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Struktol® WS 280 POWDER properties

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