Non-cement fire door core

Details Non-cement fire door core Non-cement fire door core

C - Chemistry, Metallurgy

04

B

C04B 28/14 (2006.01) C04B 24/10 (2006.01) C04B 24/26 (2006.01) C09K 21/02 (2006.01) E06B 5/16 (2006.01)

Patent

CA 2645403

The present invention describes a fire resistant building material composition, useful for example as a fire door core and to a method of making this composition. The building material of the present invention is prepared from an aqueous mixture of predominately expanded perlite, a small amount of a binder component consisting essentially of calcined gypsum and an organic binder, and optionally a fibrous reinforcement.

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