Lithopone is a white pigments, zinc sulfide and barium sulphate mixture. By zinc sulfate and barium sulphide solution react and precipitation, filtered, drying and calcinations again after broken, and pour out into the water to red-hot urgent cold. Hiding power after titanium dioxide. No acid resistance. Now some LiDeFen surfactants used on surface treatment.
Properties: For non-toxic white powder, insoluble in water, with acids released h2s decomposition, and hydrogen sulfide and alkali doesn't work.