| 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 3 , 25-37% Si(CO 3 ) 2 , 0-2% Al 2 (CO 3 ) 3 , 0-1% MgCO 3 and 0-1% Fe 2 (CO 3 ) 3 . |