Abrasive Grain Type

Published on: 2023-12-01 10:59

Aluminum Oxide

One of the most popular and affordable options, aluminum oxide is highly friable, meaning that it fragments during use to provide a consistently sharp cutting edge. If you strip and finish wood or want to grind metals, there are open and closed coat versions for your application.

Silicon Carbide

This specialty abrasive is frequently used for finish work because of its consistent cut rate. Its ability to sand material without a lot of heat buildup makes it an ideal option for finishing heat-sensitive applications like resinous wood.

Ceramic

A premium abrasive grain, ceramic has the longest lifespan of any abrasive material. It cuts energetically through hard woods and metal, its high friability delivering a consistently sharp cutting surface.

Zirconia

Before ceramic was used, zirconia was the go-to abrasive for durable and aggressive cutting performance. It is still a recommended option for stripping hardwoods and metal grinding and polishing.

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