1. Toray Industries This Japanese company is a leader in the production of high-quality TIO2 pigments, which are widely used in paints, plastics, and paper.
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Lithopone is rather nontoxic, due to the insolubility of its components. It has been used in medicine as a radiocontrast agent. Lithopone is allowed to be in contact with foodstuffs in the US and Europe.[1]