Cerium dioxide

Appearance：light yellow

Density:7.3grams per cubic centimeter

Frection hardness：4

Melting point:3400℃

Solubility: insoluble in water

Light transmission range:400-16000nm

Refractive index（500nm）：2.0

Evapration condition : thermal evaporation of molybdenum boat tungsten boat tantalum or electron  gun oxygenation

Evapration temperature: about 2000℃

Purity:99.99%