Perlite-based insulation board

Details Perlite-based insulation board Perlite-based insulation board

C - Chemistry, Metallurgy

08

L

C08L 97/02 (2006.01) B32B 11/10 (2006.01) C08J 7/04 (2006.01) C08K 3/40 (2006.01) C08L 9/08 (2006.01) C08L 31/04 (2006.01) C08L 33/02 (2006.01) C08L 95/00 (2006.01) D21J 1/20 (2006.01) E04B 1/74 (2006.01) E04B 1/78 (2006.01) E04D 13/16 (2006.01)

Patent

CA 2299204

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.

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