Foamed ceramic element

Details Foamed ceramic element Foamed ceramic element

1977-02-03

1978-10-31

Rutledge, L. Dewayne

Compositions: coating or plastic

Coating or plastic compositions

Metal-depositing composition or substrate-sensitizing...

106 71, C04B 2102

Patent

active

041232852

ABSTRACT:
A foamed ceramic product and method for making same is disclosed. The foamed ceramic is characterized by a high compressive strength, high insulating properties and low fluid permeability when compared against conventional materials.
The foamed ceramic is made by mixing a clay mineral with a foaming agent comprising a combination of sulfate and sulfide compounds, heating to a temperature of about 1,000.degree. C where controlled foaming occurs and then cooling the resulting foamed product.

REFERENCES:
patent: 3030215 (1962-04-01), Veatch et al.
patent: 3598618 (1971-08-01), Fujii et al.
patent: 3801343 (1974-04-01), Lemmens
patent: 4004933 (1977-01-01), Ravault

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