Sika® Aktivator-205

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Sika® Aktivator-205

Main benefits

Sika® Aktivator-205 is a transparent and colorless solvent-based adhesion promoter that reacts with ambient humidity and deposits active groups on the substrate. These groups act as a bond between the substrate and primers or sealants/adhesives, facilitating a reliable bond. Designed to treat bonding faces before applying Sikaflex® and Sikasil® adhesives and sealants, it improves adhesion and durability of the fixation.

Apps and features

  • Adhesion promoter for non-porous substrates
  • Solvent-based, transparent and colorless
  • Reacts with ambient humidity to activate functional groups on the surface
  • Fixes an active layer that facilitates adhesion between substrate and primers/adhesives
  • Preparation of bonding faces before Sikaflex® and Sikasil®
  • Improves initial bond strength and long-term durability