Product description DYSPROSIUM METAL CAS No.: 7429-91-6 Character: Casting ingots, sponge lumps or crystals, silver grey in colour. It can gradually be oxidized in air, should be stored in a sealed container. Molecular Fomula: Dy Specification CODE TREM min % Dy/TREM min % RE Impurities max % Non-RE Impurities max % La+Pr+Nd+…+Y Fe Si Ca Mg C Dy-1 99 99.9 0.1 0.02 0.02 0.02 0.01 0.01 Dy-2 99 99.5 0.5 0.03 0.03 0.02 0.01 0.01 Dy-3 99 99 1 0.05 0.05 0.05 0.01 0.01 Uses: Mainly used as a additive in Nd-Fe-B permanent magnet materials, materials for making expand and contract alloy, photo magnetic record, diluent of nuclear fuels. Packing: 25kgs of net each in a steel drum evacuated and filled with argon. Adjustable per customer's request. Notes: It can gradually be oxidized in air, should be stored in a sealed container.