... requirements: the substrate must be solid, clean free of oil or sludge and other pollution. Concrete substrate to ... surface must be dense, dry, clean, no oil, dust and other pollution.2,when doing the ... sealing: for marble, granite, and all kinds of tilesNotes:1.this product should do the construction ... rainy dayPackaging and storage: each group(2 bags) of the package: powder20kg/bag, liquid 20kg/barrel. ...