Iron Oxide Red 101/110/120/130 Appearance: Red Powder Content: 96% Moisture: 1.0% PH Value: 3.5-8 Oil Absorption: 15-25 Water-soluble Matter: 0.3% 45UM Sieve Residue: 0.2% Tinting strength: 95-105% Density approx: 5.0-5.1 cm3 Packing: 25kg/bag Contact: Knight E/M: phenixwand at hotmail.com