3M™ Diamond Lapping Film 668X, 30.0 Micron PSA Disc, 8 in x NH, 25 per inner 250 per case
3M Product Number
A PSA version of 661X product. Precisely graded diamond particles coated on a polyester film. Provides a consistent, repeatable finish on extremely hard materials. Available in many grades between 0.10 and 30.0 micron.
Most widely used diamond lapping film
Fast cut, increased throughput
Flat surfaces and low edge rounding
Available in discs, sheets and rolls.
Application Flat Lapping, Superfinishing
Attachment Type PSA Back
Center Hole No Hole
Diameter 8 Inch
Micron Grade 30.00
Mineral Type Diamond
Polishing Process Grind, Refine, Shape
Product Form Disc
Product Series 668X
Substrate Carbide, Ceramics, Composites, Exotic Alloys, Glass, Stone
3M(TM) Diamond Lapping Film, 631X, 638X (PSA), 641X, 651X, 661X, 661XA, 661XU, 661XY, 662XW, 663X, 664X, 666X, 666XW, 668X(PSA) (US)
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