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

C - Chemistry – Metallurgy – 04 – B

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C04B 7/147 (2006.01) C04B 7/153 (2006.01) C04B 7/19 (2006.01) C04B 7/26 (2006.01) C04B 28/08 (2006.01)

Patent

CA 2006579

Cement, method of preparing such cement and method of making products using such cement . Abstract A cement based on blast-furnace slag and fly ash, characterized in that the cement is a homogeneous dry particulate mixture in ready-to-use from, which comprises blast-furnace slag having a specific surface area of 500-650 m2/kg and fly ash in a weigh ratio in the range of 20/80-60/40, 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).

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