Compositions for ceramic tiles

摘要

A composition for ceramic tiles, the composition having being formulated from materials including granite and comprising the following components, given in weight percent, based on the total weight of the composition: - SiO2 56-64 wt % - Al2O3 15-17 wt % - K2O 2-3 wt % - Na2O 0.5-1.5 wt % - CaO 5-5.7 wt % - MgO 0.5-0.6 wt % - L.O.I. 6-7 wt %. -