Additive composition with insulating, impermeabilizing and antishrink properties

摘要

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% CaCO3, 25-37% Si(CO3)2, 0-2% Al2(CO3)3, 0-1% MgCO3 and 0-1% Fe2(CO3)3.