Glass ceramic material for replacing granite or marble in decorative applications - contains silica, alumina, calcia, magnesia, zirconia, barium oxide, potassium oxide, sodium oxide and fluorine

摘要

Glass ceramic material contains (wt.%, based on oxides) 64.1-72.0 SiO2, 2.9-11.0 Al2O3, 15.0-26.0 CaO, 0-8.0 MgO, 0- less than 2.0 ZnO, 0-0.5 BaO, 0-7.4 K2O, 0-2.0 Na2O and 0.5-4.0 F. USE/ADVANTAGE - The ceramic is used for replacing granite, marble etc. in decorative applications, for cladding walls and for paving. Ceramic is crystallisable at low temp. and requires little surface treatment.