... Organosilicon ~ water repellent &water repellent HS-26 used in water repellent in constructions ,stones,marble,concrete , heat insulator additives,and ... construction,that makes the construction have excellent and lasting waterproofing properties with no color changes, avirulent, harmless etc. ... wall and interior wall. It also can be used in cement, marble, plasterboard’s waterproof processing. Packing, ...