Hardener for polyester putty - red

Harder BPO red tube 50 G


In stock

Is a highly flammable hardener based on benzoyl peroxide for use with polyester putty. Can only be used in combination with amine accelerated resins and fillers.

Available in tubes of 50 gr.

€2.81 / st



Should always be processed in combination with polyester putty. Without this hardener the putty will not react.


  • Mix the hardener in a 1 to 3% ratio by weight with the resin or filler. 
  • Never stir too vigorously in order to avoid air bubbles and a temperature increase.
  • Always provide appropriate protective clothing and gloves. 
  • Harder is irritating to eyes and skin as well as flammable. 
  • Cleaning agent for tools: cleaner M (environmentally friendly substitute for acetone).
  • Avoid contact with skin.

Technical specifications

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