3M - 4.25" 863XW Final Polish

3M™ 863XW Final Polish Lapping Film is constructed with a precision-coated SiO2 mineral layer on a 3 mil polyester film. These films are commonly employed in the final step of polishing fiber optic connectors to produce high-quality results. Final Polish Films utilize silicon dioxide to polish ceramic ferrules and glass fibers at a consistent rate.

3M Lapping Film Features:

• Size: 4.25" Disc
• Mineral: SiO2 (Silicon dioxide)
• Grit Size: Not disclosed
• Base Film Material: Polyester film
• Base Film Thickness: 3 mil (75 µm)
• Quantity: Single Disc
• Non-PSA backed film

Product Life: 5 years from the date of manufacture when stored in the original packaging materials and stored at 10°C - 30° C (50°F - 86°F) and 30-60% relative humidity.