sand paper Abrasives: aluminium oxide or silicon carbide, zinc-stearated Bond: resin over resin sand paperApplication: Abrasive Paper Sheet is grinding soft materials, such as wood , paint , soft metal , the characteristics is draining crumb, anti-clog SHTEET SIZE (mm) 210 ×280 230 ×280 115 ×280 140 ×230 93 ×230 GRIT :24-600# sand paper