... :2008 1.abrasive tools should be written according to the order, shape, size, abrasive material, grain, grade,and ... corundumPAPink,rose-redSharp cutting, good edges holdout, durableSuitable for form grinding, knives, Measuring instrumentGreen silicon carbideGCgreenOnly no harder than ... Nonmetallic material, i.e.Our company supplystraight wheel,type 2 cylinder wheel,type 3 Tapered one side wheeltype 4 ...