... Paper Rolls, Resin Over Resin, Electro-coated, Made of Aluminum Oxide and Silicone Carbide Backing: paper rolls ... Paper Rolls, Resin Over Resin, Electro-coated, Made of Aluminum Oxide and Silicone CarbideSpecifications/Special Features:Materials:brown ... aluminum oxide, white aluminum oxide and silicone carbideBacking is kraft paper or latex paperResin over resinClassificationsAccording to ...