3M 7000044792 Lapping Film 3.0 Micron Psa 5 Inches

Product Description

The 3M 7000044792 is a silicon carbide lapping film designed for precision surface finishing in fiber optic connector polishing and metallurgical sample preparation. The abrasive mineral is coated on a 3 mil polyester film base and backed with a pressure-sensitive adhesive for secure fixture mounting. At 3.0 micron particle size, this film delivers consistent, fine-cut performance across a range of polishing applications. Technicians and lab professionals working with fiber optic terminations or metallurgical cross-sections rely on this film for repeatable finish quality at the sub-surface level.

This lapping film is used in fiber optic polishing machines and metallurgical polishing fixtures where controlled abrasion at the micron level is required. The 5-inch disc format fits standard polishing pucks and holders common in fiber optic termination workflows and laboratory prep stations. The PSA backing eliminates the need for separate adhesive application, reducing setup time and alignment error in production or field environments.

Key Features

• Silicon carbide mineral provides consistent cut rate and finish quality at 3.0 micron
• 3 mil polyester film backing offers dimensional stability during polishing
• Pressure-sensitive adhesive back adheres directly to polishing pucks and fixtures
• 5-inch disc format fits standard fiber optic and metallurgical polishing equipment
• Standard product for silicon carbide polishing applications per manufacturer specification

Compatibility

Designed for use in fiber optic connector polishing and metallurgical polishing applications requiring silicon carbide abrasive at 3.0 micron. Fits standard 5-inch polishing pucks and holders used in those industries.

Installation Notes

This film is applied by pressing the PSA-backed disc onto a clean, dry polishing puck or fixture surface. Ensure the puck surface is free of debris or residual adhesive before mounting to maintain flat contact. Follow equipment manufacturer guidelines for polishing pressure and cycle counts. Worn or loaded film should be replaced promptly to avoid degraded finish quality.

Technical Specifications

• Abrasive Mineral: Silicon carbide
• Backing Material: 3 mil polyester film
• Adhesive Type: Pressure-sensitive adhesive (PSA)
• Particle Size: 3.0 micron
• Disc Diameter: 5 inches
• Unit of Measure: Each
• Minimum Order Quantity: 500
• UPC: 00051111901427

Standard Information

• Brand: 3M
• Manufacturer Part Number: 7000044792