Low C02 cement
A unreacted dry cement composition or a cement composition comprising greater than 20wt% and less than 65wt% portland cement or clinker, granulated blast furnace slag optionally in combination with steel slag wherein the ratio of slag to cement or clinker is in the range of 1 :2 to 4:1, 1.5 - 6 wt%...
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| Format: | Patent |
| Sprache: | eng |
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| Zusammenfassung: | A unreacted dry cement composition or a cement composition comprising greater than 20wt% and less than 65wt% portland cement or clinker, granulated blast furnace slag optionally in combination with steel slag wherein the ratio of slag to cement or clinker is in the range of 1 :2 to 4:1, 1.5 - 6 wt% activator consisting of a sulphate of an alkali metal selected from the group of sodium (Na) and potassium (K) and optionally up to 10 wt% gypsum. A concrete composition comprising the cement composition, aggregate, water, and optional chemical admixtures is also claimed. |
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