C - Chemistry – Metallurgy – 04 – B
Patent
C - Chemistry, Metallurgy
04
B
C04B 28/14 (2006.01) C04B 14/38 (2006.01)
Patent
CA 2192724
A cementitious composition useful for water-resistant construction materials includes about 10 wt.% to about 35 wt.% fiber and about 65 wt.% to about 90 wt.% of a cementitious binder. The binder further includes about 30 wt.% to about 75 wt.% calcium sulfate beta-hemihydrate, about 10 wt.% to about 50 wt.% Portland cement, and about 4 wt.% to about 20 wt.% silica fume.
Une composition de ciment utile pour matériaux de construction résistants à l'eau contient d'environ 10 % à environ 35 % en poids de fibre et d'environ 65 % à environ 90 % en poids d'un liant cimentaire. Le liant comprend en outre d'environ 30 % à environ 75 % en poids de sulfate de calcium hémihydraté de type bêta, d'environ 10 % à environ 50 % en poids de ciment Portland et d'environ 4 % à environ 20 % en poids de fumée de silice.
Burkard Edward A.
Finkelstein Ronald S.
Metz Lambert J.
Mudd Patrick J.
Stav Elisha
National Gypsum Properties Llc
Osler Hoskin & Harcourt Llp
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