Cement composition

Compositions: coating or plastic – Coating or plastic compositions – Inorganic settable ingredient containing

Reexamination Certificate

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C106S789000

Reexamination Certificate

active

06840996

ABSTRACT:
A cement composition of an environmental impact reducing type, used in the field of civil engineering and construction, which provides initial strength-development equal to that of ordinary Portland cement and which can reduce the clinker calcination amount, is provided. A cement composition containing Portland cement having a 3CaO.SiO2content of at least 60% and a slowly cooled blast furnace slag powder, wherein the content of the slowly cooled blast furnace slag powder is from 10 to 50 parts per 100 parts of the cement composition.

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Yoshio Kasai edition Concrete Soukan, 1stedition, Gijutsu Shoin, p. 68, table 1.8.8; p. 219, table 5.5.6 Jun. 10, 1998.

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