... 15- 80mm, thicknss: 10-50mmSpecificationssuper hard diamond and cbn sanding products 1,for glass, stones,steel,etc 2,professional manufacturer 3, ... superabrasive diamond and cbn sand paper products( abrasive belts, block, discs, pads, bands) are made with our new ... production technologue. Made with diamond or CBN, and some other bond materials, resin bond with each other and then electroplated to ...