... .5%Density≥4.2 g/cm³FeO3≤0.5%Water Soluble≤0.1%Al2O3≤1%Moisture≤1.0%CaCO3 ... 6.0%Humidity≤0.3%PolymerizationNo PolymerizationPH in water≤10%StabilityStableCalcium Soluble in Water (Ca+2)≤250 ppmSolubility in WaterInsolubleViscosity ( ... And, it as filling/padding & carrier materials mainly used for water-based paints, printing inks, plastics, rubber, paper, pharmaceuticals, ceramics, cosmetics, etc. The ...