Calcium Bentonite Specification: Parameters - Typical Value Sedimentation Volume : 1.6 ML pH : 7.5 Swelling Powder : 12 ML Moisture content ( Max in %) : 10.0 SiO2 % : 66 Al2O3 % : 15 Fe2O3 % : 1.15 Max TiO2 % : 0.15 CaO % : 2.25 MgO % : 2.90 Na2O % : 0.35 K2O % : 0.75 Heavy Metals : < 50 ppm Uses of Bentonite : Oil well drilling, Foundry, Construction & Civil Engineering, Iron Ore Pelletization, ceramics, agriculture, Paper, detergent, paint etc. Packing: In 50 kg & 25 kg Moisture proof bag