Sika Aktivator is required for the pretreatment of glass to ensure adhesion of Sika adhesives. Sika Aktivator is a one-component, fast drying clear liquid.

1. If the substrate is heavily contaminated by oils or other organic substances, initial cleaning using solvents or high-pressure water cleaning with the appropriate detergents is required.
2. Wipe the dry surface with a clean absorbent paper towel moistened with Sika -Aktivator.
3. Immediately wipe the surface with a dry paper towel to remove any excess.
4. Apply Sikaflex or Sika -Primer after the recommended flash-off time.