Cement admixture, expansion material, and cement composition
AssigneeDenka Company Limited
InventorsDaiki Shimazaki, Taiichiro Mori
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Abstract
A cement admixture containing free lime, gypsum, Ye'elimite, and ternesite, wherein the cement admixture has a mass ratio of the Ye'elimite to the ternesite (Ye'elimite/ternesite) of from 0.5 to 40. The cement admixture contains 20 to 80 mass % of the free lime. The cement admixture has a total mass ratio of the free lime and the gypsum anhydride to the ternesite ((free lime+gypsum anhydride)/ternesite) from 20 to 90. An expansive material which contains the cement admixture. A cement composition which contains the cement admixture.
Claims5
A cement admixture, comprising free lime, gypsum anhydride, Ye'elimite, and ternesite, wherein a mass ratio of the Ye'elimite to the ternesite (Ye'elimite/ternesite) is 0.5 to 40.
Dependencies are inferred from the claim text.