SILREsRBs 1306 CN is an additive used in the production of water-based building paints and primers to improve the hydrophobicity, water resistance and air permeability of building paints. It also improves the operational performance of waterborne coatings (extended opening time) and anti-adhesion properties.

SILRESR BS 1303CN can also be used as a waterproofing additive in two-component cement polymer waterproofing mortar to improve its hydrophobicity.