Lithium China Stone, Lithium porcelain stone SiO2: 64-70%, Al2O3:17-22% ,Li2O:1.4- ... .5-4.5%, P2O5:0.1-1.2 Lithium China Stone, Lithium porcelain stoneSiO2: 64-70% Al2O3:17-22% Li2O ... can not only melt the quartz,but also control its crystal transformation,and function successfully to lower the firing temperature of ... water absorption and improved the tile strength. Lithium China Stone, Lithium porcelain ...