PS-21 20LT Silicone solvent-free surface sealant

PS-21 Silicone, solvent-free surface waterproofing.

1. It offers excellent water repellency and long-term protection.
2. Waterproofs tile joints and protects from rain surfaces of natural or artificial stones, exposed masonry, plaster, tiles, tiles, decorative bricks, unbleached marble, exposed concrete, etc.
3. It can 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.

The surfaces to which the PS-21 is to be applied must have open pores and be clean.