3M 7010365047 Microfinishing Film Belt 372L 36 in

Product Description

The 3M 7010365047 Microfinishing Film Belt 372L is a coated abrasive belt engineered for precision finishing on a range of industrial surfaces. It uses micron-graded aluminum oxide abrasive bonded to a polyester film backing, delivering a fast cut rate alongside a consistent, fine surface finish. The belt measures 36 inches in length and 2 inches in width, making it suited for narrow belt finishing applications. Resin bonding holds the abrasive grain through heat buildup, extending service life. This belt is used by machinists, fabricators, and finishing technicians working with composites, plastics, fiberglass, and metal substrates.

The 372L belt is designed for microfinishing and fine surface conditioning tasks where uniform finish quality is critical. Its closed-coat construction maximizes grain density across the belt face, which supports tighter, more repeatable finish results. Typical applications include precision part finishing in metalworking shops, aerospace component preparation, and fine finishing of plastic and fiberglass components where surface texture tolerance is tight. The polyester film backing provides flexibility to conform to workpiece geometry while maintaining consistent abrasive contact.

Key Features

• Micron-graded aluminum oxide abrasive for fast cutting and a fine, consistent finish
• Durable polyester film backing offers flexibility for uniform abrasive contact
• Resin bonding resists heat-related deterioration, extending belt service life
• Closed-coat construction maximizes grain density for finer finish results
• Suited for finishing composites, plastics, fiberglass, and metal

Compatibility

Designed for use on narrow belt finishing machines that accept 2-inch by 36-inch abrasive belts, suitable for applications on composites, plastic, fiberglass, and metal substrates.

Installation Notes

Installation should be performed by a qualified machine operator following the belt finishing equipment manufacturer's guidelines. Verify belt tracking and tension before operating the machine. Inspect the belt for tears or edge damage before mounting. Always power down and lock out the machine before changing abrasive belts.

Technical Specifications

• Belt Length: 36 inches
• Belt Width: 2 inches
• Abrasive Material: Aluminum Oxide
• Backing Material: Polyester Film
• Bond Type: Resin
• Coat Type: Closed Coat
• Color: Green
• Weight: 0.06 pounds
• Unit of Measure: Each
• Minimum Order Quantity: 50

Standard Information

• Brand: 3M
• Manufacturer Part Number: 7010365047