C - Chemistry – Metallurgy – 04 – B
Patent
C - Chemistry, Metallurgy
04
B
C04B 28/04 (2006.01) C04B 28/06 (2006.01) C04B 28/14 (2006.01) E21D 15/00 (2006.01)
Patent
CA 2098975
ABSTRACT This invention relates to a grout composition comprising a Portland cement, a high alumina cement, anhydrous calcium sulphate, an effective amount of a lithium salt and an effective amount of a strong base. According to another aspect of the invention, instead of using a strong base directly in the grout composition, a first compound and a second compound is added to the grout composition which in use react to form an effective amount of a strong base when the grout composition is mixed with water.
Gilbert Gregory M.
Howell Mark
Kirsten Paul S.
Mcconnachie Terrence M.
Hl & H. Timber Products (proprietary) Limited
Smart & Biggar
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