Unifrax Fiberfrax® Fibermax Bulk Mullite High-Temperature Fiber

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Unifrax Fiberfrax® Fibermax Bulk Mullite 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
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Physical Properties	Original Value	Comments

Specific Gravity	3.00 g/cc

Thermal Properties	Original Value	Comments
Melting Point	1870 °C
Maximum Service Temperature, Air	1540 °C	Recommended Operating Temperature

Component Elements Properties	Original Value	Comments
Al2O3	72 - 75 %
SiO2	25 - 28 %

Descriptive Properties
Color	White
Fiber Index (%)	95+
Temperature Grade (°C)	1650

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