Dy2O3 99.5% 1.Dy2O3 99.5%, REO 99.0% 2.REO Impurity Max 0.5% 3.Other Impurity Fe2O3 0.003%, SiO2 0.01%, CaO 0.02%, Cl- 0.04% Dy2O3 99.9% 1.Dy2O3 99.9%, REO 99.0% 2.REO Impurity Max 0.1% 3.Other Impurity Fe2O3 0.002%, SiO2 0.01%, CaO 0.01%, Cl- 0.02% Dy2O3 99.95% 1.Dy2O3 99.95%, REO 99.0% 2.REO Impurity Max 0.05% 3.Other Impurity Fe2O3 0.001%, SiO2 0.005%, CaO 0.005%, Cl- 0.02% Packing 10kgs in plastic bags with vacuum package