Combines micron-graded diamond particles, highly uniform polyester film backing with resin bond that is harder than standard product. Use primarily in roll microfinishing and superfinishing applications and flat lapping operations.
"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."