PS-21 Silicone Waterproofing & Adhesion Improver 1LT

PS-21 Silicone-based, solvent-free surface waterproofing agent.

1. It offers excellent water repellency and long-lasting protection.
2. It waterproofs tile joints and protects from rain surfaces made of natural or artificial stones, visible masonry, plaster, tiles, tiles, decorative bricks, glazed marble, visible concrete, etc.
3. It can also be applied to slightly wet substrates.

Colour:  transparent, when dry
Density:  0.99 kg/l
Penetration depth (EN 14630):  Class I: <10mm
Water absorption and alkali resistance  (EN 13580) 

Absorption rate   <7.5% compared to control.
Absorption rate (after immersion in alkaline solution)  <10%.
Rate coefficient (ΕΝ 13579) of drying:  Class II >10%
Consumption:  0.2-0.4 l/m2, depending on the absorbency of the surface.

Surfaces to which PS-21 is to be applied must have open pores and be clean.