ZIRCAR Refractory Composites, Inc. (ZRCI) recently announced the introduction of its type RS-99 refractory sheet, a medium-density, fiber-reinforced ceramic composite material with greater than 99% alumina purity. Type RS-99 exhibits excellent hot strength and creep resistance, and is useful to temperatures up to 1650°C (3002°F). The material resists the flow of hydrogen or other has gases through its thickness. It is ideal for high-vacuum reducing atmospheres and other applications where silica cannot be tolerated, such as solid oxide fuel cells, setters for P/M and MIM applications, and high-temperature investment casting furnace components.
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