Coherent rigid solid material

Details Coherent rigid solid material Coherent rigid solid material

1977-11-14

1979-02-06

Poer, James

Compositions: coating or plastic

Coating or plastic compositions

Metal-depositing composition or substrate-sensitizing...

106DIG2, C04B 3516

Patent

active

041382684

ABSTRACT:
An especially high strength, high temperature, economical material useful for insulation is preferably made by making up a mix having the following proportions in parts by weight: 20-50 parts expanded perlite; 0.5-4 parts sodium fluosilicate; 0.2-5 parts fiber material; a water solution having 9.5-19 parts total of solids content of sodium or potassium silicate; 2-9 parts zinc oxide; and water which, along with the water in the sodium silicate solution totals 21.5-67 parts; thereafter storing the mix under cover for less than 21/2 hours, compressing the mix to a desired form, and curing and drying it by heating.

REFERENCES:
patent: 3658564 (1972-04-01), Gerow et al.
patent: 3718491 (1973-02-01), Yates
patent: 3864137 (1975-02-01), Van Bonin et al.
patent: 3933514 (1976-01-01), Banks et al.

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