White powder with greenish shade powder, easily absorbs moisture and carbon dioxide from the air; insoluble in water and soluble in mineral acids
Packing ：
Plastic drum inner with plastic bag. Net weight 25/50 kg
Storage ：
Keep sealed and store in dry and cool places
Apps ：
As a device of x-ray, the neutron controlling for atomic reactors and laser material, also can be used as an activator in phosphor.As the raw material of producing Tm metal and Tm compounds
