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3M™ 661XU Diamond Lapping Film Disc - 4 inch 6µm (micron)
D6-661XU-403N
3M 6um 661XU Diamond Lapping Film - Brown, 4" Disc with 3mil Backing. Pricing per disc.
The 3M™ 661XU Diamond Lapping Film is an abrasive film used for polishing the end-face of fiber optic connectors. Its purpose is to shape the fiber geometries, such as restoring or forming the Radius of Curvature and Apex Offset of the ferrule. Diamond film exhibits an extended lifespan compared to conventional films, and its high-cut rate enables more efficient material removal for a faster polishing process. The 4" disc is used for applications in fiber optic connector processing, flat lapping, and superfinishing.
Lapping Film Features:
- Film Color: Brown
- Grit Size: 6 µm
- Particle Type: Diamond film
- Base Film Material: Polyester
- Base Film Thickness: 3 mil (75 µm)
- Actual thickness: 2.97 (± 0.05)
- Quantity: Single disc
- Non-PSA backed film
- Bonding Resins: Medium Resin Hardness
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