3M 7010359669 Microfinishing Film Belt 372L 72x2 Inch Ao

Product Description

The 3M 7010359669 Microfinishing Film Belt 372L is a coated abrasive belt engineered for precision finishing applications across metal, composites, plastic, and fiberglass surfaces. The belt uses micron-graded aluminum oxide abrasive bonded to a flexible polyester film backing, producing a fast cut rate while maintaining a consistent, fine surface finish. Resin bonding holds the abrasive grain firmly in place and resists heat-related breakdown, extending belt service life. Closed-coat construction maximizes grain density across the belt surface. This belt measures 72 inches long by 2 inches wide and is sold individually.

This belt is suited for fine finishing and surface refinement tasks in metalworking, composite fabrication, fiberglass work, and plastic finishing environments. The microfinishing film construction makes it a common choice for applications requiring tight surface finish tolerances, such as precision grinding, polishing, and final-stage finishing in production or repair settings. It is typically used by machinists, fabricators, and surface finishing technicians working with belt grinders and finishing machines configured for narrow-width belts.

Key Features

• Micron-graded aluminum oxide abrasive delivers fast material removal with a controlled, uniform finish
• Flexible polyester film backing conforms to surfaces for consistent contact and finish results
• Resin bond resists heat deterioration, extending abrasive life under sustained use
• Closed-coat construction provides high grain density for finer finishing performance
• 72 inch x 2 inch belt size fits standard narrow belt finishing machines

Compatibility

Designed as a replacement or production abrasive belt for belt grinders and finishing machines that accept 72 inch by 2 inch abrasive belts in microfinishing film configurations.

Installation Notes

Belt installation should be performed by a qualified technician following the machine manufacturer's guidelines for belt tensioning and tracking. Power down and lock out the belt grinder or finishing machine before changing belts. Inspect the contact wheel and platen for wear or damage before mounting a new belt. Follow applicable workplace safety standards for abrasive equipment operation.

Technical Specifications

• Belt Length: 72 inches
• Belt Width: 2 inches
• Abrasive Material: Aluminum Oxide
• Backing Material: Polyester Film
• Bond Type: Resin
• Coat Type: Closed Coat
• Color: Black
• Weight: 0.1 pounds
• UPC: 00051144146871

Standard Information

• Brand: 3M
• Manufacturer Part Number: 7010359669