... Metal & Wood Working TypeCharacteristicsBondBackingAbrasiveGritCoating Abrasive ClothGFK41Suitable for making sheets, roll, flap wheels, discs, etc. R ... cloth, waterproof, high strength, special processed abrasives, heavy duty grinding for special metal, such as stainless steel, ... oxide, waterproof, oil resistant, super high strength, heavy duty grinding for stainless steel, nickel alloy etc., suitable ...