... roll,sanding beltsThe main backings are: Paper, Cloth, PolyesterThe main abrasive coatings: Aluminum Oxide, Silicon Carbide, Zirconia, GarnetJoint: Lap joint/butt ... ,and wood etc.Polishing and napping metallic or nonmetal materials. Abrasive belt:Grinding and polishing for veneer,flakeboard,decorative sheets,MDF,bamboo ... of the narrow belts are mainly A, C, E,J,X,Y or J cloth.We have a wide range of ...