1.Abrasive: silicon cardibe
2.Cover of Backing: D/E paper
3. Hole:No hole,1 hole, 5 hole, 6 hole, 8 holes, are available.
4.Packing:in box/carton
5.Advantage:
1). High hardness
2).Good self-sharpening,high stock removal.
3).Anti-clogging,anti-static.