FW:317.7 Appearance: white or off-white powder MP:≥240癈 Particle Size: 2-3um PH(in 5%AQ Dispersion) :6.5-8.5 Stability: content unchanged for two years avoiding light Purity:≥96%(Solid);≥25%(AQ. Dispersion);≥48%(AQ. Dispersion) Use: cosmetic, shampoo, skin medicine, adhensive, coating painting and so on Packing: 25kg in plastic bag in cardboard barrel