Evonik

Protectosil WS 405

Aqueous emulsion based on organofunctional silanes

Protectosil WS 405 is an aqueous emulsion based on organofunctional silanes for the water repellent impregnation of absorbent, mineral substrates.

Key Features

  • Shows very high reactivity and resistance against alkali
  • Penetrates deeply in porous, mineral substrates
  • Shows no formation of sticky silicone films
  • Gives invisible and water vapor permeable protection
  • Significantly reduces the uptake of water
  • Reduces the uptake of water soluble pollutants (e.g. chlorides)
  • Effective on micro cracks up to 0,3 mm
  • May be further diluted with water

Recommended Applications

  • Suited for the water repellent impregnation of porous, mineral substrates