... density 0.83, purity greater than 99.8%, average particle size less than 10nm, chemically stable, does not dissolve in water ... White powder White powderTitanium dioxide content (%) 99.5 99.8Average particle size (nm) ≤10 ≤15Specific area (m2/g) ≥120 ≥50Apparent density ... (%) ≤1.0 ≤1.0Moisture (%) ≤1.5 ≤1.5 Equality particle size, easy to disperseSafe, non-toxic, no side effects;Hydrophilic, lipophilic ...