Method of producing mullite ceramic fiber

Details Method of producing mullite ceramic fiber Method of producing mullite ceramic fiber

D - Textiles, Paper

01

F

18/576

D01F 9/08 (2006.01) C04B 30/02 (2006.01) C04B 35/622 (2006.01)

Patent

CA 1163070

ABSTRACT OF THE DISCLOSURE Mullite ceramic fiber produced by mixing an aluminosilicate fiber having less than 72 weight per cent of A1203 with high-alumina substances, such as polycrystalline high alumina fibers having more than 72 weight per cent of A1203, and heating of the mixture to about 1,303 to 1,450°C, results in arefractory material characterized by lower bulk density, a low degree of contraction, substantial maintenance of original fiber shape, and total or nearly total consumption of free silica, with corresponding reduction in silicic acid.

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