Lithopone is a white powder, a mixture of barium sulfate and zinc sulfide and it was non-toxic, tasteless, odorless, and insoluble in water. It is used as one of the important inorganic Chemicals Pigment for its good colouring and hiding power and good weather resistance. In addition, it has a good heat resistance which can improve the weather resistance and anti-algae, and excellent cover on the white power.