... , maskin Specifications:TiO2content,% ≥98.0L value of color system brightness ≥98.4b value of color system ≤0.7Color (contrasted with sample ... relative humidity,% ≤0.5Matter soluble in water, % ≤0.6PH value of aqueous suspension 6.5~8.5Oil absorption,g/100g ≤24Residue ... (45μm sieve pore),% 0.07Water dispersivity,% ≥65Resistively of aqueous extract,Ωm ≥30 High purity Titanium Dioxide PGA100