Precisely graded diamond particles coated on a polyester film. Provides a consistent, repeatable finish on extremely hard materials. Available in several grades between 0.10 and 30.0 micron.
"For diamond lapping on extremely hard materials such as ceramics, stone and glass, choose 3M™ Diamond Lapping Film 661X. Our films cut fast for a more efficient process. A tightly graded diamond mineral, precision coated on a 3.0 mil polyester film backing, they provide a flat surface, sharp edges and a uniform finish. Available in discs, sheets and rolls – cut to your requirements."