Regarding Titanium Dioxide anatase grade,for paint, rubber, printing ink,chemical fiber,paper and plastic industries etc.the specification as follow: TiO2: 98% min. Tinctorial power(compare with standard): 100 min. Color(compare with standard): not lower than. Volatile (constituents at 105'C): 0.5% max. Water soluble substance:0.5% max. Water suspension PH value: 6.8~8.0 Oil absorption: 26% max. 325 mesh residue: 0.1% max. Packing :in 25 kgs bags.