Titanium dioxide (also knows as TiO2, titanium white, Pigment White 6 (PW6), or CI 77891) is is used as a white pigment for paints, plastics, paper and rubber, etc. The production process of titanium dioxide has two process routes: sulfuric acid method and chlorination method. There are two type TiO2: 1. Rutile Titanium dioxide 2. Anatase Titanium Dioxide.