Silicon carbide abrasive is used for coarse grinding,medium grinding,fine  grinding  until  polishing  ceramic  tile  surface.  It is  the   grinding   and   polishing   material  with  the   longest application    history    and    the    most    mature    application technology in the field of hard material polishing. At present it  still  occupies  part  proportion  in  this  field,the  dosage  islarger.