Evonik Industries |
Construction Masonry Materials
SolutionSilicon dioxide
SiO2 Nanoparticle /Nanopowder CAS Number : 7631-86-91. Provide an impregnation that is colorless, water-vapor permeable, and hydro- and oleophobic 2. do not form tacky silicone resin films 3. repel water and oily substances effectively from absorbent mineral building materials 4. are almost free from volatile organic components.