Waterproof Sand Paper sheet: Abrasive: Silicon Carbide Grit: 240#-2000# Size: Available on request ... waterproof sand paper, carrying the most advanced manufacturing technique, Silicon Carbide abrasive, super flexible paper backing, adaptable in dry ... mold, mechanism, artcraft etc.Oslong B320 sandpaperBacking:latex paperAbrasive:silicon carbidesize:230x280mmGrit:p60-2000This sandpaper is very soft ,won ...