Cement, method of preparing such cement and method of making...

Details Cement, method of preparing such cement and method of making... Cement, method of preparing such cement and method of making...

C - Chemistry, Metallurgy

04

B

C04B 14/04 (2006.01) C04B 7/14 (2006.01) C04B 18/08 (2006.01) C04B 28/08 (2006.01)

Patent

CA 2121920

21 Title: Cement, method of preparing such cement and method of making products using such cement. ABSTRACT A homogeneous dry particulate cement mixture in ready-to-use form is provided, which comprises ground blast-furnace slag having a specific surface area of 500-750 m2/kg and ground fly ash having a specific surface area of 500-750 m2/kg, in a weight ratio in the range of 20/80-70/30, and further comprises the following components in the amounts indicated, calculated on the total mixture: at least 2% by weight of portland cement clinker and 2-12% by weight of sodium silicate (calculated as Na2O + SiO2). When processed, the cement mixture yields a mortar or a concrete having improved strength properties as well as a good resistance against an acidic environment.

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