| abstract |
New additive composition, in liquid or powder form, for thin plates, plasters, concrete, prefabricated elements and refractory elements, having insulating, waterproofing and anti-shrinking characteristics, comprising an agent adhesive and an additive composed of a mixture of carbonates which, expressed in the form of their respective oxides, comprise from 0 to 1% by weight of Fe2O3, from 65 to 80% by weight of CaO, from 20 to 30% by weight of SiO2, from 0 to 2% by weight of Al2O3 and from 0 to 1% by weight of MgO. |