3M 7010307664 Diamond Lapping Film 45 Micron Psa Sheet 3x8 in

Product Description

The 3M 7010307664 is a pressure-sensitive adhesive (PSA) diamond lapping film sheet designed for precision flat lapping applications. Measuring 3 inches x 8 inches and graded at 45.0 micron, this sheet delivers consistent material removal and surface refinement on hard, demanding workpieces. The PSA backing allows the sheet to mount directly to a flat reference plate or fixture without adhesive tape or fixturing hardware. Built on a stronger resin system compared to the 663X series, the 7010307664 offers added toughness and extended service life under repeated use. Machinists, tool-and-die technicians, and precision grinding professionals are the primary installers and users.

This lapping film is suited for flat lapping of carbide tooling, optical components, ceramic substrates, and other hard or brittle materials that require controlled, uniform stock removal. The 45.0 micron grade positions it in the mid-cut range, making it appropriate for initial surface conditioning before moving to finer grades. It is available in 30.0, 45.0, and 60.0 micron grades to support multi-step lapping sequences. Typical use environments include precision machine shops, optical fabrication facilities, and maintenance operations where tight surface finish tolerances are required.

Key Features

• PSA backing mounts directly to flat lapping plates without additional adhesive
• 45.0 micron diamond abrasive grade for mid-range stock removal
• Stronger resin system versus 663X for increased toughness and longer sheet life
• 3 inches x 8 inches sheet size fits standard flat lapping fixtures
• Diamond abrasive mineral cuts hard and brittle workpiece materials effectively
• Available in 30.0, 45.0, and 60.0 micron grades for sequenced lapping processes

Compatibility

Designed for use in flat lapping applications on hard materials including carbide, ceramics, and optical substrates. Compatible with standard flat lapping plates and fixtures that accept PSA-backed abrasive sheets in the 3 inches x 8 inches format.

Installation Notes

Clean the lapping plate surface thoroughly before applying the PSA sheet to ensure full, bubble-free adhesion. Apply firm, even pressure across the sheet after placement to seat the adhesive bond. Replace the sheet when cutting action diminishes or surface loading is visible. Follow shop safety practices for handling diamond abrasive products, including eye protection when working near the lapping surface.

Technical Specifications

• Abrasive Grade: 45.0 micron
• Sheet Size: 3 inches x 8 inches
• Backing Type: Pressure-Sensitive Adhesive (PSA)
• Abrasive Mineral: Diamond
• Available Grades: 30.0, 45.0, and 60.0 micron
• Weight: 0.02 pounds
• Sold As: Each
• Minimum Order Quantity: 25
• UPC: 00051111546741

Standard Information

• Brand: 3M
• Manufacturer Part Number: 7010307664