Tile grout is an upgrade product of crocheting agent. The decorative practicability of tile grout is obviously better than that of color sealant. Solve the tile gap is not beautiful and dirty black problems. The traditional sealant is coated on the surface of the sealant. The new sealant does not need the sealant as the bottom layer, and can be directly filled into the cracks of the ceramic tile after bonding. Suitable for more than 2mm gap filling, construction is more convenient than ordinary type, is the upgrading of sealant products.