Silicate coated roofing granules

Details Silicate coated roofing granules Silicate coated roofing granules

1981-02-11

1983-03-29

Herbert, Jr., Thomas J.

Stock material or miscellaneous articles

Coated or structually defined flake, particle, cell, strand,...

Particulate matter

428145, 428150, 428323, 428332, 428404, 428446, 428454, B32B 516, B32B 904

Patent

active

043784089

ABSTRACT:
Roofing granules coated with insolubilized reaction product of a coating composition comprising water, kaolin clay, sodium silicate, pigment, and gas forming compound such as hydrogen peroxide or sodium perborate.

REFERENCES:
patent: 2379358 (1945-06-01), Jewett
patent: 3169075 (1965-02-01), Morrow et al.
patent: 3255031 (1966-06-01), Lodge et al.
patent: 3479201 (1969-11-01), Sloan

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