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Ensinger PEI

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Unifrax Fiberfrax® Bulk 8000 AZS High-Temperature Fiber
Categories: Ceramic; Oxide; Aluminum Oxide; Silicon Oxide

Material Notes: In addition to Fiberfrax Bulk Fibers, Unifrax has the ability to produce many different specialty fibers that provide a variety of desirable performance properties for certain applications. These fibers can be classified into the following general categories:

  • High-Index Fibers
  • High-Temperature Fibers
  • Large-Diameter Fibers
  • Milled Fibers

Unifrax manufactures two high-temperature specialty fibers for use in applications beyond recommended operating temperatures of 2300°F (1260°C). Bulk 8000 is made from high-purity alumina, zirconia, and silica raw materials. This chemistry, along with the unique manufacturing process, provides a fiber which can withstand continuous operating temperatures up to 2450°F (1345°C). Fibermax® Bulk Fiber is a high-temperatuer, polycrystalline mullite fiber. Fibermax fiber can withstand continuous operating temperatures up to 2800°F (1540°C) and is virtually shot free. Fibermax fibers can be blended with regular alumina-silicate Fiberfrax fibers to increase the thermal stability of the blended product beyond that of high-purity bulk fiber.

Information Provided by Unifrax I LLC

Vendors: No vendors are listed for this material. Please click here if you are a supplier and would like information on how to add your listing to this material.
 
Physical PropertiesOriginal ValueComments
Specific Gravity 2.73 g/cc
 
Thermal PropertiesOriginal ValueComments
Melting Point 1760 °C
Maximum Service Temperature, Air 1345 °CRecommended Operating Temperature
 
Component Elements PropertiesOriginal ValueComments
Al2O3 29 - 31 %
SiO2 53 - 55 %
ZrO2 15 - 17 %
 
Descriptive Properties
Average Fiber Diameter (microns)1-2
ColorWhite
Fiber Index (%)45
Temperature Grade (°C)1430

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