... Paper, Cloth, PolyesterThe main abrasive coatings: Aluminum Oxide, Silicon Carbide, Zirconia, GarnetJoint: Lap joint/butt joint /S Application ... Paper, Cloth, PolyesterThe main abrasive coatings: Aluminum Oxide, Silicon Carbide, Zirconia, GarnetIt consists of emery fillet of which ... Narrow belts are made of our flexible-backed aluminum oxide sandcloth. The added flexibility allows for optimum sanding ...