Materials: Abrasives: aluminium oxide or silicon Bond:zinc-stearated Paper: B,C -weight Application: Grinding for soft materials,such aas wood,paint,soft metal,The characteristics is draining crumb,anti-clog. 粒度Grits： 60-80-100-120-150-180-220-240-280-320-400-600 页状Sheets:230×280mm 卷状最大宽度Max Width for roll：1150mm 卷状最小宽度Min Width for roll：100mm