Iron Oxide Yellow 311/313 Appearance: Yellow Power Content: 86% Moisture: 1.0% Water-soluble Matter: 0.3% 45UM Sieve Residue: 0.3% PH Value: 3.5-7 Oil Absorption: 25-35 Tinting strength: 95-105% Density approx: 4.0-4.3 cm3 Packing: 25kg/bag Contact: Knight E/M: phenixwand at hotmail.com