Perlite-based insulation board

Details Perlite-based insulation board Perlite-based insulation board

1999-02-18

2000-11-21

Marcheschi, Michael

Compositions

Electrolytes for electrical devices

162171, 162145, 162175, 162147, 1621813, 1621817, 106122, 106282, 1061645, 10616453, 1061646, 10620401, 106DIG2, 106DIG7, 106283, 428403, 428407, D21J 100, D21H 1761, E04B 174, C08L 9500

Patent

active

061498319

ABSTRACT:
An insulation board suitable for use as a roof insulating board has a density between about 8 and about 15 pounds per cubic foot; a MOR/density ratio of at least 10.5 to 1 and includes, by dry weight, between about 45% and about 76% expanded perlite; between about 15% and about 45% cellulosic fibers; between about 0.1% and about 10% latex binder; between about 2% and about 9% bituminous material; and about 0% to about 3% alum.

REFERENCES:
patent: 3042578 (1962-07-01), Denning
patent: 3779860 (1973-12-01), Oshida et al.
patent: 3904539 (1975-09-01), Ruff
patent: 3988199 (1976-10-01), Hillmer et al.
patent: 4118273 (1978-10-01), Godin et al.
patent: 4126512 (1978-11-01), Hill
patent: 4313997 (1982-02-01), Ruff et al.
patent: 4587278 (1986-05-01), Dotzauer et al.
patent: 4963603 (1990-10-01), Felegi, Jr. et al.
patent: 5277762 (1994-01-01), Felegi, Jr. et al.
patent: 5749954 (1998-05-01), Law et al.

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