Sika® Aktivator-205

Transparent, solvent-based adhesion promoter for non-porous substrates

Sika® Aktivator-205 is a solvent-based, colourless, clear adhesion promoter which reacts with moisture and deposits active groups on the substrate. These groups act as a link between substrates and primers or sealants / adhesives. Sika® Aktivator-205 is designed for the treatment of bond faces prior to application of Sikaflex® and Sikasil® adhesives and sealants.  

  • Enhanced adhesion on various substrates
  • Short flash-off time
  • Easy to use
  • Transparent