Iron Oxide Red: It Is Red Powder. Specification As Follows: Content: 96%min, 105℃ Moisture: 1.0%max, Water Soluble Salts: 0.3%max, Residue On 45um: 0.2%max, PH Value: 3.5-8, Oil Absorption: 15-25, Tinting Strength %: 95-105; Density ...Read More