PROBLEM TO BE SOLVED: To provide a sulfuric acid resistant cement composition having excellent workability and capable of obtaining a hardened body having improved sulfuric acid resistance and a sulfuric acid mortar composition and a sulfuric acid resistant concrete composition using the same.;SOLUTION: The sulfuric acid resistant cement composition contains 0.1-20 pts.mass of an organic compound composed of a polymer of and/or a salt of the polymer of compound having unsaturated rings, wherein each ring has one or more sulfo groups, to 100 pts.mass cement. The sulfuric acid resistant cement composition contains 30-400 pts.mass limestone fine object powder to 100 pts.mass cement. The sulfuric acid resistant mortar composition contains fine aggregate in the sulfuric acid resistant cement composition and the sulfuric acid resistant concrete composition contains coarse aggregate in the sulfuric acid resistant mortar composition.;COPYRIGHT: (C)2012,JPO&INPIT
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