... ,shaving boards,trim boards,bamboo,woodware,and vineware. emery roll,abrasive roll,sanding roll,sanding beltsThe main backings are: Paper, Cloth, PolyesterThe ... metallic or nonmetal materials. Abrasive belt:Grinding and polishing for veneer,flakeboard,decorative sheets,MDF,bamboo & wood products and rattan products ... grit, soft supported, hard supported, medium supported and collapsible. emery roll