3M 7000000285 Lapping Film 461X 15.0 Micron 8.5x11 in Sheet

Product Description

The 3M 7000000285 is a silicon carbide lapping film sheet designed for precision surface finishing and polishing in demanding industrial applications. Built on a 3 mil polyester film backing, it delivers consistent cut and finish across the full sheet surface. The abrasive grade is 15.0 micron, placing it in the mid-range of the 461X series lineup and making it well-suited for controlled material removal where surface quality matters. Each sheet measures 8.5 inches by 11 inches. This film is specified and used by technicians and lab professionals working in fiber optic termination and metallurgical sample preparation.

The 461X lapping film is a standard product for silicon carbide polishing applications across fiber optic and metallurgical industries. In fiber optic work, it is used to finish connector end-faces to low-reflection, low-loss tolerances. In metallurgical applications, it serves as a polishing medium for cross-section preparation and surface analysis. The flat, dimensionally stable polyester backing keeps the abrasive layer uniform under load, which is critical for repeatable results on sensitive substrates.

Key Features

• Silicon carbide mineral bonded to a 3 mil polyester film backing for dimensional stability
• 15.0 micron abrasive grade for mid-range material removal and surface refinement
• Sheet format at 8.5 inches by 11 inches suits manual and fixture-mounted polishing setups
• Part of the 461X series, which spans 5.0, 9.0, 15.0, and 30.0 micron grades for full progression polishing
• Standard product for silicon carbide polishing in fiber optic connector finishing and metallurgical prep

Compatibility

Designed for use in fiber optic connector polishing and metallurgical surface preparation workflows where silicon carbide abrasive on a polyester film backing is specified. Compatible with manual polishing fixtures and automated lapping equipment that accept standard sheet stock.

Installation Notes

Lapping film sheets are installed and used by fiber optic technicians, quality lab technicians, and metallurgical technicians following established polishing procedures. Secure the sheet flat against a lapping plate or backing pad to prevent wrinkles or movement during use. Follow your facility or connector manufacturer polishing sequence, progressing through micron grades from coarser to finer. Dispose of spent sheets per your facility waste guidelines for abrasive materials.

Technical Specifications

• Abrasive Mineral: Silicon carbide
• Backing: 3 mil polyester film
• Abrasive Grade: 15.0 micron
• Sheet Size: 8.5 inches x 11 inches
• Unit of Measure: Each
• Weight: 0.0205 pounds
• UPC: 00051144500338

Standard Information

• Brand: 3M
• Manufacturer Part Number: 7000000285