Coherent rigid solid material

Details Coherent rigid solid material Coherent rigid solid material

1978-07-03

1981-11-03

Derrington, James H.

Plastic and nonmetallic article shaping or treating: processes

Carbonizing to form article

Agglomeration or accretion

106 383, 106 389, 106 84, 106DIG2, 252 62, 264 56, 264 63, 264 71, 264 82, 264121, 264122, 260292N, 260 37N, 428109, 428255, C04B 3516

Patent

active

042985544

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 or blowing the mix to a desired form, and curing and drying it by heating.

REFERENCES:
patent: 2921357 (1960-01-01), Fujii
patent: 3264380 (1966-08-01), Parsons
patent: 3371135 (1968-02-01), Goodwin
patent: 3658564 (1972-04-01), Gerow et al.
patent: 3718491 (1973-02-01), Yates

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