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A Lesson on Sandcarving Abrasive

What are the different types of abrasive made of?

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Aluminum oxide is brown in color and is known as fused (brown) alumina (Al203).

Brown fused aluminum oxide is a hard, blocky shape material (9 on Mohs scale of hardness) with high wear strength.

In the sandcarving system, you should be using virgin-fused aluminum oxide manufactured to conform to military specification for the best in exact grain size and cleanliness.

Silicon carbide (SIC02) is black in color and known for its hardness and its ability to withstand high heat (Mohs hardness 9-10). It maintains its angular shape, making silicon carbide an outstanding material for sandcarving.

Either material is not dangerous but should not be inhaled. Proper safety protection is required when working with fine dust and particulate.

Liz Haas

Liz Haas

Liz Haas has been a teacher, trainer and show coordinator for Rayzist Photomask for the past 15 years. For the past 10 years, she has actively taught workshops on the photoresist and the sandcarving process.

Billy Willis

Billy Willis is Sales Manager for Rayzist Photomask, Inc. He has been employed with the company for the past 27 years. Billy has had the opportunity to travel around the world educating and providing photoresist technology to companies worldwide. Billy can be reached by phone at 800-729-9478, by email at [email protected] or online at www.rayzist.com.

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