email & msn : yuyuehong88@hotmail.com iron oxide green type: f100/f90 fe2o3:--- fe3o4: -- oil absorption (%): 15-25 residue on bolted (%): ≤0.3 water soluble: ≤0.5 moisture (%): ≤1.0 ph-value: 3-7 density: 0.4-0.8 particle shape: in-regular color difference vs standard: ≤1 tinting strength (%): 95-105 description: application: tinting of the paint, material of the building, plastic and rubber product and so on