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Bubble Alumina

Bubble Alumina
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Bubble Alumina General Information ZIRCAR Ceramics’ Bubble Alumina Is a rigid, low-density, insulating refractory comprised of ZIRCAR Ceramics’ Alumina Bubble Types IB-100A and IB-100B bonded in high-purity Alumina Cement Type AL-CEM. While Bubble Alumina exhibits a bulk density twice that of a premium -grade alumina fiber insulator, Bubble Alumina’s structure consists primarily of closed air-filled thin-walled cells which combine to give it exceptional hot strength and low thermal conductivity. This makes Bubble Alumina an effective high-temperature thermal insulator in structural applications where insulating capabilities cannot be sacrificed, and appropriate for use at temperatures as high as 1825oC. It is pre-fired, contains no organics and exhibits high microwave and RF transparency. Its high alumina content makes it compatible with many extreme chemical environments. ZIRCAR Ceramics’ Bubble Alumina is manufactured on a custom basis and can be supplied in many complex shapes. 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. f Properties expressed perpendicular to thickness. ZIRCAR Ceramics, Inc. PO Box 519 Technical Data Bulletin 100 N. Main St., Florida, NY 10921-0519 Bubble Alumina E-mail: sales@zircarceramics.com Page 1 of 2

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Bubble Alumina Suggested Applications Structural hot face refractory in high-temperature furnaces and thermal process systems with temperatures to 1825oC Backup insulation in crystal growth furnaces with temperatures in excess of 2000oC Low-mass kiln furniture. High-temperature load-bearing insulation. Bubble Alumina is offered as a custom product made to specification. Please contact ZIRCAR Ceramics’ Sales Office with your requirement. ZIRCAR Ceramics’ Bubble Alumina exhibits superior hot strength, as demonstrated in the image to the right. In isothermal sag tests, 4hrs at 1700OC, Bubble...

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Bubble Alumina 2Pages

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Bubble Alumina
2Pages