3M-661X Diamond Lapping Film

• Most commonly used diamond lapping film
• Faster grinding, higher throughput
• Flatter surface and sharp edges
• Uniform surface
• Homogeneous, non-compressible film backing with high precision
• Synthetic diamond grit
• Water- and oil-resistant
• Precise and reproducible surface qualities
• Reproducible surface quality
• More uniform finish
• Hardest grain type
• User-friendly handling
• Available as discs, sheets, and rolls

For an exceptional finish on extremely hard materials such as ceramics, stone, and glass, use 3M™ Diamond Lapping Film 661X. Our precisely graded diamond particles, applied to a polyester film, produce a uniform finish. Available in various grits ranging from 0.10 to 30.0 microns.

For the highest surface quality requirements on all extremely hard materials. All Diamond Lapping Films are intended for “wet” use. Water, emulsion, or other commercially available coolants can be used as grinding aids.