Fire-retardant cellulose insulation and process for making same

Details Fire-retardant cellulose insulation and process for making same Fire-retardant cellulose insulation and process for making same

1978-11-15

1980-10-28

Sebastian, Leland A.

Compositions

Fire-extinguishing

Foam-stabilizant or colloid-stabilizant containing

106 1812, 106204, 162159, 252 62, C09K 328

Patent

active

042305853

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. If desired, limited quantities of boron compounds can be added with the talc. 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

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