ELASTOSIL® SC 870 A/B is a thixotropic, addition-curing, two-part silicone rubber, forming a mainly closed cell foam.

ELASTOSIL® SC 870 A/B is perfectly suited for processing with automatic dispensing equipment. It is suitable for CIPG foam gaskets even in 3D geometries due to its outstanding rheology.



  • good processability on automated dispensing equipment
  • easy control of mixing quality due to different colors of the components
  • no ozone damaging blowing agents
  • no release of toxic or strong smelling substances during foaming or curing
  • low heat of reaction (max. 40 °C)
  • low toxicity of thermal decomposition products 
  • long-term flexible over a temperature range of -50 °C to +180 °C
  • good chemical resistance
  • fast foaming and cure
  • medium foam density

Spezifische Merkmale von ELASTOSIL® SC 870 A/B

  • hitzebeständig
  • komprimierbar
  • Schaum
  • thixotropierend
  • zweikomponentig














The 'Best use before end' date of each batch is shown on the product label.

Storage beyond the date specified on the label does not necessarily mean that the product is no longer usable. In this case however, the properties required for the intended use must be checked for quality assurance reasons.

Vertrieb & Support

Wacker Chemie AG
Heilbronner Strasse 74
70191 Stuttgart
+49  711  61942-0 (Phone)
+49 711 61942-61  (Fax)

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