emery roll Sanding and polishing plywood,shaving boards,trim boards,bamboo,woodware,and vineware. emery roll,abrasive roll,sanding roll,sanding beltsThe main backings are: Paper, Cloth, PolyesterThe main abrasive coatings: Aluminum Oxide, Silicon Carbide, Zirconia, GarnetJoint: Lap joint/butt joint /S Application:Sanding and polishing plywood,shaving boards,trim boards,bamboo,woodware,and ...