Abrasive Sanding sponge described in detail as follows 
Backing: Sponge
Grain: Aluminum oxide/Silicon carbide
Size:
Grit: P60-P400
Glue:Improted glue
Use: Grinding blade is fitted to the andle grinding machine portable for removing rist of metal cosings and steel sheets surface grinding of burr and weld deposits widely used in metallurgy, vessel machinery, vehicle manufacturing. bridge, construction industries