Specification Item Type NO. Index A200 Best Quality Titanium Dioxide Content %(m/m)¡Ý 98.5 Color (Compared with standard sample) approximately Tinter reducing power(Compared with standard sample) ¡Ý 105 105¡ãC volatile matter %(m/m) ¡Ü 0.2 Water solubles % (m/m) ¡Ü 0.2 pH-value of aqueous suspension 6.5-8.0 Oil absorption g/ 100g ¡Ü 22 Residue on sieve(45¦Ìm sieve pore) % ¡Ü 0.05 Resistivity of water extract ¦¸m ¡Ý 30 Pb 10ppm Hg 0.1ppm As 5ppm Acid solubles % ¡Ü 0.5