ALC-AA
2Pages

Catalog excerpts

Alumina Type ALC-AA General Information ZIRCAR Ceramics’Alumina TypeALC-AA is an engineered low-density, rigid refractory structure of high-alpha polycrystalline alumina fiber and high-purity inorganic alumina binder - in cylindrical form. ALC-AA’s fine, open-pore structure makes it an excellent thermal insulator with good machinability - exhibiting good hot strength and dimensional stability in industrial applications with continuous operating temperatures to 1500°C (2732°F) with intermittent use to 1600°C (2912°F). The high purity alumina binder gives this low-density fiber body a very high degree of chemical inertness and is therefore useful in reducing and other corrosive atmospheres. ALC-AA exhibits high electrical resistivity at elevated temperatures and is also transparent in microwave and RF energy fields. ALC-AA is pure white and exhibits high reflectance. ALC-AA is pre-fired, contains no organic binders and will produce no smoke or odors when heated. It shows excellent resistance to chemical attack and is not affected by oil or water. It is, however, affected by hydrofluoric acid, phosphoric acid and strong alkalis. Characteristics & Properties Nominal Composition, wt.% ZIRCAR Ceramics, Inc. PO Box 519 100 N. Main St., Florida, NY 10921-0519 Telephone: (845) 651-6600 E-mail: sales@zircarceramics.com Technical Data Bulletin Alumina Type ALC-AA www.zircarceramics.com Page 1 of 2

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Alumina Type ALC-AACharacteristics & Properties Continued Flexural Strength**, MPa (psi) at 40% Strain The data presented herein is intended to help the user to determine the appropriateness of this material for their application. This data is a nominal representation of this product's properties and characteristics and therefore should not be used in preparing specifications. * Maximum use temperature is dependent on variables such as stresses, both thermal and mechanical, and the chemical environment that the material experiences. ** Properties expressed parallel to thickness. f...

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ALC-AA 2Pages

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ALC-AA
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