... and heat resistance ceramic tileAdvantages:Beside the property of acid resistance bricks,plates and tubes LongFa acid ... Chemical Research Institute, Jingdezhen Ceramic Institute and South China University of Technology, etc, LF acid and heat resistant tile, plate, ... reached the international advanced level. Main chemical composition of tile (%):SiO269.8Al2O322.5K2O2.7Na2O0.95CaO0.82MgO0.12Fe2O30. ...