Ball clay The inherent properties of mita d2 ball clay is valued in its high plasticity , dry strength and bonding nature ect. The high plasticity facilitates shaping and finishing of ceramik bodies and high strength allows un- dried clay article to keep their shape and withstand all types of molding, shaping and conveying during manufacture. Ball clay (mita d2) Chemical analysis % Sio2 75.40 Al2o3 12.75 Fe2o3 0.97 Mgo 0.12 Cao 0.29 Na2o 1.24 K2o 4.95 Tio2 0.05 Loi 4.3 Physical analysis ( 1200 c - 40' ) % dry shrinkage 0.38 % fired shrinkage 6 % absorption 6 Dry strength 70kg/cm2 Fired strength 450kg/cm2 Bulk (-50mm)