Fire door core

Details Fire door core Fire door core

C - Chemistry, Metallurgy

09

K

C09K 21/00 (2006.01) C04B 14/18 (2006.01) C04B 28/26 (2006.01) E06B 5/16 (2006.01)

Patent

CA 2364317

The present invention describes an improved building material composition, useful for example as a fire door core and to improved methods of making this composition. The building material of the present invention consists essentially of expanded perlite, a fireproof binder, clay or vermiculite, and optionally diatomaceous earth, one or more viscosity-enhancing components, reinforcement fibers, and a plasticizer or mixtures thereof. The method of making this improved composition is a semi-continuous batch press method wherein at least the expanded perlite, fireproof binder, and clay or vermiculite are mixed; the mixture compressed in a mold, and the compressed mixture dried.

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