C - Chemistry – Metallurgy – 09 – K
Patent
C - Chemistry, Metallurgy
09
K
31/33, 261/58
C09K 3/00 (2006.01) C04B 7/02 (2006.01) C04B 28/26 (2006.01) C09K 8/46 (2006.01)
Patent
CA 1084683
A B S T R A C T A method of making lightweight cement slurry which involves dis- solving sodium metasilicate and an activator in mix water, and there- after mixing Portland cement therewith. The activator may be calcium chloride, calcium formate, calcium oxide, a water soluble calcium com- pound or a mixture thereof. The lightweight cement slurry so formed may be used for cementing well pipe in wells or for casting lightweight structural members, such as board, columns, and the like.
271033
Gandy Richard G.
White Vincent C.
Bj-Hughes Inc.
Macrae & Co.
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