Precipitated Silica (Luner)

White reinforcing filler for high-performance light compounds

Precipitated silica Luner reinforcing filler powder

Product overview

Precipitated silica is the primary reinforcing filler for compounds that cannot use carbon black. It delivers high tear strength and abrasion resistance while keeping the compound white or colourable.

Luner grade material is used widely in footwear soling and technical white goods where mechanical performance must match a black-filled compound.

Key features

  • High reinforcement in non-black compounds
  • Excellent tear and abrasion resistance
  • Improves grip and flex-crack resistance
  • Enables bright white and coloured compounds
  • Responds well to silane coupling agents

Applications

  • Footwear soles and sports shoe compounds
  • White and coloured technical rubber
  • Silicone rubber reinforcement
  • Cable, sealant and adhesive systems

Need this product?

Share your grade, quantity and delivery location — our team replies with pricing and availability the same working day.

View all Compounding Chemicals