Sio2%- 56.19 Al2O3%- 26.56 Fe2O3%- 4.2 Tio2%- 1.67 CaO%- 0.31 MgO%- 0.52 K2O%- 1.1 Na2O%- 0.38 L-56.13 A-4.85 B-22.06 Whiteness- 23.93 Shrinkage- 13.08 Plasticity- 39.2 Tempreature C- 1184/1190 Cycle min.-50 Dry MOR- 33.1 Kg/Cm2 Fired MOR- 386.2 Kg/Cm2