Antique abrasive brush,nylon brush,silicon carbide brush 1.TYNEX A From DuPont 2.Grit load:30% 3. ... be polished ,get stain result,and stone natural texture can be appeared.3, The stone achieve antique look surface and stain repellent ability ... .4, It could improve the antifouling and skid prevention. Fickert antique abrasive brush,nylon brush,silicon carbide abrasive brush,carborundum brush