Sika® Aktivator-309 P

Transparent solvent-based adhesion promoter for pinch weld and paint

Sika® Aktivator-309 P is an solvent-based colorless 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-309 P is specifically formulated for the treatment of pinchweld substrates like paint, cut polyurethane, etc. prior to application of Sika's polyurethane adhesives.  

  • Improves adhesion to body side subtrates
  • Shortest flash-off time
  • Easy to apply
  • Transparent