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ZIRCAR Ceramics, Inc.: Insulation for Molten Aluminum Contact

November 27, 2002
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ZIRCAR Ceramics, Inc. recently announced the introduction of its new type Z-500 alumina silica insulation. Designed specifically for use in the transport and continuous casting of molten aluminum, Z-500 features characteristics and properties beneficial to casthouse operators, including a nominal bulk density of 50 pcf (800 kg/m3), a composition of approximately 60% SiO2 and 40% Al2O3, and an average surface hardness of 93 on the A scale. The new material exhibits 0.65% shrinkage after 24 hours at 800C and is completely free of organics. Z-500 is prefired and does not outgas upon heating. It exhibits excellent non-wetting properties and is fully compatible with silica, alumina and boron nitride coatings.

For more information, contact David Hamling at (845) 651-6600, ext. 224, e-mail or visit .

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