Detail:Brush for Ceramic tile, porcelain tile/slab The base of our filaments is mainly used premium nylon PA612. After many complicated processes, silicon carbide grits is evenly added into it to produce abrasive wire. Our brush achievement of efficient grinding and long lifetimes This series of brush are suitable for the antique tile, porcelain tile, ceramic slab to matte finish, They are make both for the aging of ceramics and with the elegant artistic effect of classic style silk satin