... backing cloth, silicon carbide 2. used to make common belts & segment belts 3. used for MDF, ply wood, glass etc ... Silicon carbide, Y-wt polyester cloth backing, used for M.D.F., glass and other non-metal materials. ... It could be used to make narrow belts, wide belts or segment belts, ... abrasive cloth Y-wt backing cloth, silicon carbide, used for MDF etc