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Lithopone, also called zinc-barium white, is a very stable network molecular structure formed by the reaction of zinc sulfate and barium sulfide and calcined at high temperature. Lithopone is a white powder that is non-toxic and non-corrosive. It is insoluble in water and does not interact with hydrogen sulfide and alkali. It dissolves with acid and produces hydrogen sulfide gas.

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Today, pigment lithopone factories continue to operate globally, albeit on a smaller scale than during their peak in the mid-20th century. They have become more efficient and environmentally conscious, thanks to advancements in technology and increased regulation. Furthermore, they have diversified their product lines to include other pigments and compounds, ensuring their survival in an increasingly competitive market.

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