Sika Activator 205

Sika® Activator-205 is a colorless activator that reacts with moisture to create an active layer on the surface of the substrate. These active groups serve as a connection between substrates and primers or sealants/adhesives. Sika® Activator-205 is designed for treating non-porous bonded surfaces before applying adhesives and sealants from the Sikaflex® and Sikasil® product lines. 

• Increased adhesion to various types of substrates
• Short ventilation time
• Easy to use
• Transparent