Hydraulic cement mixes and process for improving hydraulic...

C - Chemistry – Metallurgy – 04 – B

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C04B 7/02 (2006.01) C04B 24/00 (2006.01)

Patent

CA 1090836

IMPROVED HYDRAULIC CEMENT MIXES AND PROCESS FOR IMPROVING HYDRAULIC CEMENT MIXES Abstract of the Disclosure A hydraulic cement mix including hydraulic cement, aggre- gate, sufficient water to effect hydraulic setting of the cement, and an additive comprising glycerophosphoric acid or its salts, such as calcium, magnesium, potassium and sodium glycerophosphate, wherein the addi- tive is present in an amount sufficient to increase the strength of the mix when hardened, generally in an amount of up to 0.2% by weight, prefer- ably in an amount of between about 0. 005% by weight and 0.2% by weight based upon the weight of the cement, with the range 0.01% to 0.l% by weight also being preferred.

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