For an excellent finish in superfinishing, roll polishing, and flat lapping in a broad range of applications, use 3M Diamond Lapping Film 663X. 3M films offer consistent results. They’re extra tough and durable with a strong resin and provide a fast cut and uniform finish, with a flat surface and low rounding. Available in 30.0, 45.0, and 60.0 micron grades.

"Use 3M Diamond Lapping Film 663X for an excellent finish when superfinishing, roll polishing, and flat lapping in a broad range of applications. 3M films offer a fast cut and a flat surface, with low rounding and a uniform finish. They are extra tough and durable, with a stronger resin system for added toughness and longer life. The stronger resin minimises the need for abrasive changes. Available in 30.0, 45.0, and 60.0 micron grades in rolls, discs and sheets."