Abrasive flap wheel described in detail as follows  
Backing: Power strength cloth
Grain: Aluminum oxide
Size:72Pcs/32Pcs
Grit: P60-P600
Glue:Phenolic  resin
Use: Under conditions of heavy loading. used to driffernt kinds of metal. glasses,leather, textile rubbers, wood and the other non -merals etc hight-efficiently