Step 8 - Additional Screening
&
Tempering

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Screening is done to separate product into narrow ranges.
The product is then heated in furnaces.

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The heating in continuous gas fire furnaces at a specific temperature and the following air quenching give the abrasive its specific hardness.

Copyright © 1998 Wheelabrator Abrasives Inc. All rights reserved.
Revised: April 18, 2000