It is an anatase titanium dioxide pigment produced by a special process from sulfuric acid. Widely used in PVC pipes, interior coatings, industrial pigments, rubber, leather, polyolefins, Printing ink, plastic, paper, etc.
It's also used in sunscreens as a UV filtering ingredient, helping to protect a person's skin by blocking absorption the ultraviolet light that can cause sunburn and cancer.
Barium sulfide is produced by carbothermic reduction of barium sulfate. Zinc sulfate is obtained from a variety of zinc products, often waste, by treatment with sulfuric acid.