3M 7000044804 Lapping Film Sheet 30.0 Micron 8.5x11 in

Product Description

The 3M 7000044804 is a silicon carbide lapping film sheet designed for precision surface finishing and polishing applications. It features silicon carbide mineral bonded to a 3 mil polyester film substrate, delivering consistent cut and a controlled finish across the sheet surface. At 30.0 micron grade, this sheet targets intermediate stock removal and surface refinement. The 8.5 inch x 11 inch format suits both bench and fixture-based lapping setups. It is used by technicians and lab personnel in fiber optic connector polishing and metallurgical sample preparation.

This lapping film sheet is a standard-grade product for silicon carbide polishing applications in the fiber optic and metallurgical industries. Typical use cases include polishing fiber optic ferrules, lapping metal coupons for microscopy, and surface finishing precision components where controlled abrasive cut is required. The polyester film backing provides dimensional stability during wet or dry use, maintaining flatness across the working surface. Sold individually per sheet.

Key Features

• Silicon carbide mineral bonded to a 3 mil polyester film backing for consistent abrasive performance
• 30.0 micron grade for intermediate material removal and surface refinement
• 8.5 inch x 11 inch sheet size fits standard lapping fixtures and flat-plate setups
• Polyester film substrate maintains flatness under wet or dry lapping conditions
• Standard product for silicon carbide polishing in fiber optic and metallurgical applications

Compatibility

Designed for use in fiber optic connector polishing and metallurgical surface preparation applications where silicon carbide abrasive and a stable polyester film backing are required. Compatible with flat-plate and fixture-based lapping systems that accept 8.5 inch x 11 inch sheet stock.

Installation Notes

Lapping film is typically placed abrasive-side up on a flat glass plate or dedicated lapping fixture, with the part or ferrule worked across the surface under controlled pressure. Ensure the backing plate or fixture surface is clean and free of debris before use, as particles under the film can cause uneven lapping. Follow applicable workplace safety practices when handling abrasive materials, including eye protection during dry lapping. Dispose of used sheets according to local regulations for abrasive waste.

Technical Specifications

• Abrasive Mineral: Silicon carbide
• Backing Material: 3 mil polyester film
• Grit Grade: 30.0 micron
• Sheet Size: 8.5 inches x 11 inches
• Weight: 0.03 pounds
• Unit of Measure: Each
• UPC: 00051144500215

Standard Information

• Brand: 3M
• Manufacturer Part Number: 7000044804