Additive composition with insulating, impermeabilizing and antis

Compositions: coating or plastic – Coating or plastic compositions – Alkali metal silicate containing

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106692, 106717, 106802, 106823, 523401, 524 2, C04B 1426

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active

054013100

ABSTRACT:
New additive composition, in liquid or powder form, for thin slabs, plasters, concretes, prefabricated elements and refrectory elements, with insulating and impermeabilizing properties and with antishrink characteristics, comprising a bonding agent and an additive comprising a mixture of carbonates containing 59-75% CaCO.sub.3, 25-37% Si(CO.sub.3).sub.2, 0-2% Al.sub.2 (CO.sub.3).sub.3, 0-1% MgCO.sub.3 and 0-1% Fe.sub.2 (CO.sub.3).sub.3.

REFERENCES:
patent: 4401471 (1983-08-01), Eckhardt et al.
F. M. Lea "The Chemistry of Cement and Concrete", (1970) E. Arnold Limited, 3rd Edition, London, pp. 533-536 and 569-578.
Japanese Patent Abstract-"Sheath Body", JP 3120893 Toshimitsu, Sanyo Electric Co. Ltd. (May 23, 1991)-see abstract.
Japanese Patent Abstract-"Low Shrinkable Unsaturated Polyester Resin Composition" JP 63243121, Akira, Hitachi Chem. Co. Ltd. (Oct. 11, 1988) see abstract.

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