C - Chemistry – Metallurgy – 04 – B
Patent
C - Chemistry, Metallurgy
04
B
C04B 14/18 (2006.01) C04B 24/28 (2006.01) C04B 28/04 (2006.01) C04B 28/06 (2006.01) E06B 5/16 (2006.01)
Patent
CA 2521751
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 is prepared from an aqueous mixture of expanded perlite and a fast setting, cementitious composition consisting essentially of a hydraulic cement having (1) a Portland cement and (2) a calcium aluminate cement, which composition can be molded and shaped into a fire door core.
L'invention concerne une composition de matériau de construction améliorée, utile par exemple pour constituer l'âme d'une porte coupe-feu, et des procédés améliorés relatifs à l'élaboration de cette composition. Ledit matériau est élaboré à partir d'un mélange aqueux de perlite expansée et de composition à base de ciment à prise rapide, qui comprend essentiellement un ciment hydraulique à (1) ciment de Portland et (2) ciment à l'aluminate de calcium, cette composition pouvant être moulée en âme de porte coupe-feu.
G-P Gypsum Corporation
Georgia-Pacific Gypsum Llc
Smart & Biggar
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