PPG Silica Products for the Silicone Rubber Industry  

Our Hi-Sil™ precipitated silicas provide cost-efficient rubber reinforcement in silicone elastomers and they also offer excellent resistance to heat aging, which is particularly useful in automotive under-the-hood applications. Our products minimize crepe hardening in silicone rubber and they offer superior resilience and compression set resistance compared with fumed silica reinforcing fillers.

  • Provides excellent resistance to heat aging
  • Delivers cost effective reinforcement compared to fumed silica
  • Minimizes crepe hardening
  • Offers superior resilience and compression-set resistance

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