Lap Sharp


Trizact™ is a product developed by 3M corporation. It is a micron-graded abrasive, available in A35 (35µ), A20 (20µ), A10 (10µ), A5 (5µ) & A3 (3µ), and is produced by microreplication of microscopic three dimensional structures applied to a thin film backing in a precise pattern. Trizact™ consists of precisely shaped pyramids of fine grade mineral. The “A” in the grit size designation stands for “Apex,” as that is the structure of this material.