... water, and this property is made use of in testing for the sulfate radical. It is practically insoluble under ordinary conditions ... in the manufacture of linoleum, oilcloth, paper and textile manufacturing, rubber, and plastics. Finely ground barite is used to make a ... sulfate, or lithopone, a mixture of barium sulfate, zinc sulfide, and zinc oxide. 1. Drilling Grade BaSO4: 92% Min. Hg: 1 PPM Max. CD ...