Cement-additive for inhibiting concrete-deterioration

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

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106 1405, 106 1421, 106819, C04B 1404, C04B 2200

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active

054358469

ABSTRACT:
A cement additive for inhibiting concrete deterioration contains as an effective component a powder mixture of an inorganic cation exchanger, such as a highly calcium-substituted zeolite, and an inorganic anion exchanger, such as hydrocalumite. The cement additive inhibits the alkali-aggregate reaction and the corrosion of reinforcing steel, thereby protecting concrete constructions from deterioration.

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