3M™ Trizact™ 307EA cloth-backed abrasive disc

3M Trizact 307EA is an abrasive disc on a flexible cloth backing, with Trizact microreplicated structure. It is designed for intermediate finishing and fine polishing before plating or buffing, with a finer finish than traditional abrasives.

Specifications

• Mineral: micron-grade aluminium oxide, in Trizact structure.
• Backing: flexible cloth.
• Grades: A100, A45 and A16.

Self-sharpening pyramids

On a Trizact, the grain is moulded into regular pyramids. As they wear, they expose fresh grain: they stay sharp throughout use and run cooler than conventional abrasives. The scratch stays the same from beginning to end, which makes the finish repeatable.

A flexible backing for shapes

The flexible back of the 307EA follows contours and curves. The finish is even, even on a shaped part, where a rigid backing would create areas more marked than others.

Choosing the grade

The smaller the number, the finer the finish. A100 follows the scratch of a conventional abrasive. A45 refines. A16 prepares a mirror polish or plating.

Applications

Finishing stainless steel, titanium and alloys before polishing, preparing parts before chrome plating or deposition, finishing shaped parts in the medical, aerospace or tooling industries.

See also the 3M Trizact 237AA on semi-rigid cloth, our cloth-backed discs and our polishing products.