Materials: Abrasives: aluminium oxide Bond:glue over glue,or resin over glue Cloth: J-weight Application: Grinding and polishing for metal, ceramics, rubber, wood,leather. 粒度Grits： 24-36-40-50-60-80-100-120-150-180-220-240-280-320-400 页状Sheets:230×280mm 卷状最大宽度Max Width for roll：840mm 卷状最小宽度Min Width for roll：25mm