The pure product is colorless powder, light brown or yellow when containing thulium oxide. Micro hygroscopicity, easy to absorb water and carbon dioxide from the air, become basic ytterbium carbonate. It is the weakest one in yttrium group except lutetium oxide. Insoluble in water and cold acid, soluble in hot dilute acid.
19.7 g/mL at 25 °C(lit.)
Used in fluorescent powder, optical glass additive and electronic industry; mainly used in manufacturing computer magnetic bubble material, which makes the magnetic bubble reservoir have the characteristics of high speed, large capacity, small volume and multi-function; used in manufacturing special alloy, dielectric ceramics and special glass, etc.
We can customize according to customer's requirement.