3M 7010308269 Trizact 217EA Abrasive Belt 73x5 Inch Ao

Product Description

The 3M 7010308269 is a Trizact 217EA coated abrasive belt designed for intermediate finishing and fine polishing operations on metal and other hard surfaces. It uses 3M microreplication technology in which micron-graded aluminum oxide mineral is formed into precise pyramidal structures and bonded to a JE-weight rayon cloth backing. As the pyramids wear during use, fresh, sharp mineral is continuously exposed, producing a consistent cut rate and predictable finish quality throughout the full life of the belt. The belt measures 73 inches in length and 5 inches in width and is sold individually.

This belt is suited for metalworking applications including pre-plate finishing, pre-buff polishing, and light-pressure grinding on contoured or flat surfaces. The flexible rayon backing conforms well to irregular geometry, making it a practical choice for both manual and robotic sanding and finishing lines. A built-in grinding aid reduces friction heat, which helps prevent workpiece warping and surface discoloration during extended runs. It performs well in high-volume production environments where finish consistency from belt to belt is a priority.

Key Features

• Microreplication technology forms aluminum oxide mineral into pyramidal structures that expose fresh abrasive as they wear
• Delivers consistent cut rate and uniform finish throughout the belt life
• JE-weight rayon cloth backing flexes over contoured surfaces for even contact
• Grinding aid reduces heat buildup to minimize warping and discoloration
• Suited for robotic finishing lines due to high consistency and predictable wear
• Produces finer surface finishes than conventional coated abrasive belts

Compatibility

Designed for use on belt grinding and finishing machines that accept 73-inch by 5-inch abrasive belts. Intended for intermediate finishing and fine polishing steps prior to plating or buffing on metal workpieces.

Installation Notes

Installation should be performed by a qualified operator following the machine manufacturer's belt-tensioning and tracking guidelines. Power down and de-energize the belt grinder or finishing machine completely before changing belts. Verify belt direction-of-travel arrows align with machine drive rotation before starting. Inspect the contact wheel and platen for wear or damage that could cause uneven belt loading.