3M 7000044815 Aluminum Oxide Lapping Disc 8 Inch Psa 1.0 Micron

Product Description

The 3M 7000044815 is an aluminum oxide lapping disc engineered for precision polishing and surface finishing applications. The abrasive mineral is coated onto a 3 mil polyester film backing and held in place with a softer resin system that delivers a consistent cut rate, controlled finish, and predictable service life. Available in a 1.0 micron grade, this disc uses a PSA (pressure-sensitive adhesive) back for fast, secure mounting on compatible platens. It is used primarily by technicians and process engineers working in fiber optic connector polishing and precision electronic component finishing.

This disc is suited for light industrial and precision manufacturing environments where surface quality on electronic and optical components is critical. Typical applications include fiber optic ferrule polishing and the final lapping of precision electronic parts where a smooth, repeatable surface is required. The 8 inch diameter format fits standard lapping platen setups used in these operations. The tight particle distribution ensures a uniform finish pass to pass, which is essential in high-tolerance polishing workflows.

Key Features

• Aluminum oxide mineral on 3 mil polyester film for dimensional stability during polishing
• PSA backing allows quick disc changes on compatible lapping platens
• Softer resin system compared to standard aluminum oxide products, reducing surface damage risk
• Tight particle distribution produces consistent finish and cut rate across the disc life
• 1.0 micron grade targets fine polishing of fiber optic connectors and precision electronic surfaces
• Available format: disc (also offered in sheets and rolls)

Compatibility

Designed for use on standard lapping platens accepting 8 inch diameter PSA-backed abrasive discs in fiber optic polishing and precision lapping applications.

Installation Notes

Installation is performed by technicians familiar with lapping and polishing equipment. Before mounting, ensure the platen surface is clean and free of debris to allow full PSA contact and prevent disc slippage. Peel and apply the disc evenly, pressing out any air pockets from center to edge. Follow equipment manufacturer guidelines and applicable workplace safety protocols when operating lapping machinery.

Technical Specifications

• Diameter: 8 inches
• Abrasive Mineral: Aluminum Oxide
• Backing Material: 3 mil polyester film
• Attachment Type: PSA (pressure-sensitive adhesive)
• Grade: 1.0 micron
• Unit of Measure: Each
• Weight: 0.02 pounds
• Package Dimensions: 9 x 9 x 6.4 inches
• UPC: 00051111497753

Standard Information

• Brand: 3M
• Manufacturer Part Number: 7000044815