Sika® Primer-21 W

Epoxy-based primer in water dispersion, to prepare non absorbant surfaces.

Sika® Primer-21 W is a primer based on epoxy resins, fillers and specific additives in water dispersion used as a base coat or adhesive bridge on several types of substrates.

  • Epoxy based primer
  • Priming absorbent surfaces
  • Priming non-absorbent surfaces using a C2 classified (EN 12004) tile adhesive