High temperature resistant silicone rubber 1 kg

Silicone High temp Red A+B 1 KG


In stock

Is a 2-component polycondensation curing, elastic, self-demoulding rubber material based on silicone that reacts after the addition of hardener. This rubber has an increased temperature resistance (250°C and briefly up to 300°C).

Available in 1 kg packs.

€47.02 / set



For the manufacture of negative moulds with a simple design with light incisions. Is liquid and can be poured easily. You can pour in liquid tin or lead. After curing, can be used at -55 to +300°C.


  • The rubber base must be thoroughly mixed before use. 
  • Mix 2.5% by weight of the B-component under the A-component. 
  • Potlife: Approx. 80 min. at 20°C. 
  • Brush out a first layer. 
  • This ensures a finer reproduction of all details. 
  • Then pour the remaining layer on top. 
  •  Cured after 8 hours. 
  •  Minimum wall thickness 10 mm. 
  • If you are unsure of the substrate, it is best to make a test piece first or use Trennspray release agent.
  • During the wet-moulding process, 25°C should be applied per hour, depending on the thickness of the layer. 
  • A baking temperature during 2 to 4 hours of 50°C above the desired application temperature is recommended.

Always provide appropriate protective clothing and gloves. Harder is irritating to the eyes and skin, and flammable. Cleaning agent for tools: cleaner M (environmentally friendly substitute for acetone).

Technical specifications

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