Refractory fiber composition and intermediate temperature range

Details Refractory fiber composition and intermediate temperature range Refractory fiber composition and intermediate temperature range

1976-04-23

1977-10-25

Garvin, Patrick P.

Compositions: coating or plastic

Coating or plastic compositions

Metal-depositing composition or substrate-sensitizing...

106 62, C03C 1300, C04B 3514

Patent

active

040554341

ABSTRACT:
Refractory fiber compositions are disclosed comprising 84% to 97% by weight total silica and alumina, with the silica-to-alumina weight ratio being in the range of 3:2 to 1:1, preferably approximatey 5:4, and 3% to 16% by weight of a dolomitic component comprising calcium oxide and magnesium oxide. The dolomitic component may be composed of burnt dolomite or lime and magnesia. The fibers made of these compositions are suitable for thermal insulation use at temperatures in the range of from 1400.degree. F to 2000.degree. F (760.degree. C to 1100.degree. C) and find particular use as insulating mats and blankets for furnaces, kilns and automobile catalytic mufflers.

REFERENCES:
patent: 2046764 (1936-07-01), Benner et al.
patent: 3019116 (1962-01-01), Doucette
patent: 3402055 (1968-09-01), Harris et al.
patent: 3480452 (1969-11-01), Fleischner et al.
patent: 3687850 (1972-08-01), Gagin
patent: 3819387 (1974-06-01), Leger et al.

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