ABRASIVE PAPER ROLL(SAND PAPER, EMERY PAPER): be made of high strength paper as backing ABRASIVE PAPER ROLL(SAND PAPER, EMERY PAPER):Abrasive paper roll is made of high strenght paper as backing,epoxy resin or sythetic resin as adhesive,brown aluminium oxide,white aluminium oxide as abrasive grain.By paper backing thickness,divided into:C/D paper backing,transformed into velcro discE/F paper ...
