Sika® Aktivator-205 is a transparent colorless solvent-based adhesion promoter that 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 joint faces prior to the application of Sikaflex® and Sikasil® adhesives and sealants.
Easy to use
Provides adhesion to a wide variety of non-porous substrates