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Zircon

The mineral zircon silicate, ZrSiO4, a very high melting point acid refractory material used as a molding material in steel foundries.

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Zirconia

ZrO2 an acid refractory up to 2500°C (4532°F) having good thermal shock resistance and low electrical resistively.

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Zirconium

Silvery-white, metallic element, mp 1860°C (3380°F), a powerful deoxidizer when added to molten steel.

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Last Modified: August, 1997 Copyright 1995 - '97 by Steel Founders' Society Of America. All rights reserved. Address Comments to:blairr@sfsa.org