3M 7100099329 Trizact 217EA Abrasive Belt 132x4 Inch Ao

Product Description

The 3M 7100099329 is a Trizact 217EA coated abrasive belt designed for intermediate finishing and fine polishing applications in metalworking and fabrication environments. It uses 3M microreplication technology in which micron-graded aluminum oxide particles are formed into small, uniform pyramids and bonded to a JE-weight rayon cloth backing. As the pyramids wear during use, fresh cutting mineral is continuously exposed, delivering a consistent cut rate and predictable surface finish from start to finish. The belt measures 132 inches in length and 4 inches in width and weighs 0.58 pounds. It is typically installed and operated by fabricators, metalworkers, and finishing technicians.

This belt is suited for intermediate finishing and fine polishing steps prior to plating or buffing operations. The flexible JE-weight rayon backing conforms to contoured and profiled workpiece surfaces, making it effective on complex geometries. The belt performs well in light-pressure applications where controlled abrasive breakdown is needed to maintain cut consistency and produce fine, repeatable surface finishes. Its consistent performance characteristics also make it a practical choice for robotic and automated sanding and finishing systems where belt-to-belt repeatability is critical.

Key Features

• Microreplicated aluminum oxide pyramids continuously expose fresh mineral as they wear, maintaining consistent cut rate throughout belt life
• JE-weight rayon cloth backing flexes over contoured surfaces for uniform contact and consistent finishing
• Grinding aid incorporated into the abrasive structure helps reduce heat buildup, limiting risk of workpiece warping or discoloration
• Produces finer surface finishes than conventional coated abrasive belts
• Well-suited for robotic and automated finishing applications due to high belt-to-belt consistency
• Effective for light-pressure finishing prior to plating or buffing operations

Compatibility

Designed for use on stationary and portable belt finishing machines that accept a 132-inch by 4-inch abrasive belt. Suitable for metalworking applications requiring intermediate finishing or fine polishing on ferrous and non-ferrous materials.

Installation Notes

Installation should be performed by a qualified operator following the belt grinder or finishing machine manufacturer's guidelines. Power down and lockout the machine before changing belts. Verify belt tracking and tension before resuming operation. Always follow applicable workplace safety standards and wear appropriate personal protective equipment including eye protection and gloves during belt changes.

Technical Specifications

• Belt Length: 132 inches
• Belt Width: 4 inches
• Abrasive Mineral: Aluminum Oxide
• Abrasive Type: Trizact Microreplicated
• Backing Material: JE-Weight Rayon Cloth
• Color: Tan
• Weight: 0.58 pounds
• Unit of Measure: Each
• UPC: 00051111696699

Standard Information

• Brand: 3M
• Manufacturer Part Number: 7100099329