3M 263X精密研磨砂紙263X - 3M Lapping Film 263X RollsUse for fine, consistent, precision finish. Micron-graded premium minerals. Harder resin bond for polishing hard plastics. High strength polyester precision backing for uniform dimension and finish. Resists water, oil, and most solvents
3M 266X精密研磨砂紙3M Lapping Film, 266X TP PSA Discs A slurry coated aluminum oxide on 3 mil pressure sensitive adhesive backing in 7 micron grades (40 ~ .05). This is our standard product in sheet goods for general pure lapping as well as fiber optic polishing.