Polarization: 99.80 degress min Ash content: 0.04 Max ICUMSA: 45 RBU Solubility: 100% dry and free flowing Color: Sparkling white, Maximum 45 Icumsa attenuation index units Radiation: within internationally accepted limits Granulation: fine to medium Moisture: 0.4 % max Magnetic particles: 4 MP/K. 50 kilo bags with polythene inner.