Fire-retardant cellulose insulation and method of production

Details Fire-retardant cellulose insulation and method of production Fire-retardant cellulose insulation and method of production

1980-07-09

1983-01-25

Lovering, Richard D.

Compositions

Electrolytes for electrical devices

106 1812, 106204, 162159, 252602, 252607, C04B 4312, C09K 328

Patent

active

043702490

ABSTRACT:
A fire-resistant, cellulose insulation and method, the cellulose insulation including a predetermined quantity of talc to impart the desired degree of fire-resistant characteristics to the cellulose. Predetermined quantities of boron compounds can be added with the talc to improve the fire-suppressant characteristics of the insulation. The method includes directing ground cellulose from the primary grinding stage into a surge bin to accommodate metering the talc with the cellulose to thereby assure the appropriate distribution ratio of talc in the cellulose.

REFERENCES:
patent: 1932807 (1933-10-01), Valdastri
patent: 3278383 (1966-10-01), White et al.
patent: 3458327 (1969-07-01), Fraser
patent: 3558486 (1971-01-01), Morgenthaler
patent: 4089785 (1978-05-01), Johnson
patent: 4230585 (1980-10-01), Bird et al.

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