3M 7100189768 Abrasive Belt 32 Inch Aluminum Oxide Cloth

Product Description

The 3M 7100189768 is a Trizact 307EA abrasive belt built on proprietary microreplication technology. Micron-graded aluminum oxide particles are formed into uniform three-dimensional pyramids and bonded to a flexible rayon cloth backing. As the abrasive works, each pyramid wears to expose fresh, sharp mineral beneath, producing a consistent cut rate and a predictable fine finish throughout the belt's usable life. This self-renewing action runs cooler than conventional coated abrasives, reducing heat buildup on the workpiece. The belt is suited for intermediate finishing and fine polishing steps prior to plating or buffing operations.

This belt is used in precision finishing applications where surface consistency and finish repeatability are critical. The flexible cloth backing conforms to contoured and irregular surfaces, making it effective for both flat stock and shaped workpieces. It is particularly well-suited for robotic and automated finishing lines where uniform output across the abrasive life is required. Metalworking and fabrication shops use this belt as a final or near-final finishing step before surface treatment processes such as plating or buffing.

Key Features

• Microreplication technology forms aluminum oxide into uniform pyramids for self-sharpening performance
• Continuously exposes fresh mineral as pyramids wear, maintaining consistent cut rate
• Runs cooler than conventional electrostatically coated abrasives, reducing thermal stress on the workpiece
• Flexible rayon cloth backing conforms to contoured and irregular surfaces
• Three-dimensional abrasive structure delivers repeatable finishes in robotic and automated applications
• Optimized for intermediate finishing and fine polishing prior to plating or buffing

Compatibility

Designed for use on belt finishing machines that accept a 32-inch belt length. Suited for metalworking applications requiring fine, consistent surface finishes prior to plating, buffing, or other surface treatment processes.

Installation Notes

Installation should be performed by qualified finishing or fabrication personnel familiar with abrasive belt equipment. Ensure the machine is powered off and all moving parts have come to a complete stop before changing belts. Verify belt tracking and tension per the machine manufacturer's specifications before resuming operation. Always use appropriate personal protective equipment, including eye protection and gloves, when handling and installing abrasive belts.

Technical Specifications

• Abrasive Mineral: Aluminum Oxide
• Abrasive Structure: Microreplication (Trizact)
• Belt Length: 32 inches
• Backing Material: Rayon Cloth
• Color: Gray
• Weight: 1.357 pounds
• Unit of Measure: Each

Standard Information

• Brand: 3M
• Manufacturer Part Number: 7100189768