... vineware. emery roll,abrasive roll,sanding roll,sanding beltsThe main backings are: Paper, Cloth, PolyesterThe main abrasive coatings: Aluminum Oxide, Silicon Carbide, Zirconia, GarnetJoint ... belts are made of our flexible-backed aluminum oxide sandcloth. The added flexibility allows for optimum sanding slightly contoured parts, such as chair ...