We are offering Red Oxide. Technical Specifications Total Iron (Fe2o3) content % 96-98 pH Value 6-7 Oil Absorption (g100g) 15-25 Volatile Matter (% by mass) 0.2-0.4 Density (gcm3) 0.8-1.1 Residue on 400 mesh sieve 0.1-0.4 (% by mass) Water Soluble (% by mass) 0.4-0.6 Loss on Igition (1000'C) 1.0-1.5 Particle Shape Spherical Tinting Strength Vs Standard % 95-105