AXHTM
3Pages

Catalog excerpts

Alumina-Silica Type AXHTM General Information ZIRCAR Ceramics’ Alumina-Silica Insulation Type AXHTM is a strong, rigid refractory structure of high-alpha alumina and high-purity refractory ceramic fibers (RCF). Its binder is a high-purity inorganic Colloidal (Amorphous) Silica. AXHTM offers low thermal conductivity, excellent thermal shock resistance and is an effective thermal insulator in numerous thermal process systems with continuous operating temperatures of 1420°C (2600°F). Unique to this type of material are its rigid, almost crusty outer surfaces with a less bound interior. AXHTM is frequently machined or cut into custom configurations. In applications where a strong exterior is desired AXHTM’s original exterior hardness can be easily restored with the use of ZIRCAR Ceramics’ Silica Rigidizer Type SI-RIG. AXHTM contains no organic binders and produces no smoke or odor when heated. It is unaffected by oil or water. It is, however, attacked by hydrofluoric acid, phosphoric acid and strong alkalis. Characteristics & Properties Color 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. t Properties expressed perpendicular to thickness. ZIRCAR Ceramics, Inc. PO Box 519 Technical Data Bulletin 100 N. Main St., Florida, NY 10921-0519 Alumina-Silica Type AXHTM E-mail: sales@zircarceramics.com Page 1 of 3

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Alumina-Silica Type AXHTM Suggested Applications Primary thermal insulation in low-mass furnaces and thermal process systems operating to 1480°C (2696°F). Backup thermal insulation in furnaces and thermal process systems operating to high temperatures. Launders, distribution boxes, pouring spouts, hot tops and others involving molten non-ferrous metal contact. Vestibule Blocks in semiconductor processing diffusion furnaces. Furnace and kiln flue and chimney linings. Combustion chamber liners, baffles and muffles. High-temperature setters, supports and process fixtures. Electrical insulation...

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Alumina-Silica Type AXHTM Tolerances: This chart shows dimensional tolerances for products that are formed, demolded and dried only. Tighter tolerances are available with the use of drying fixtures or custom machining. Boards Staved Cylinders Inside Diameter (in.) ZIRCAR Ceramics, Inc. PO Box 519 100 N. Main St., Florida, NY 10921-0519 Telephone: (845) 651-6600 E-mail: sales@zircarceramics.com www.zircarceramics.com Revision Date Dec. 3, 2016

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AXHTM 3Pages

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AXHTM
3Pages