Iron Oxide Yellow 311

*Fe2O3 or Fe3O4 (%):≥86
*Oil absorption (ml/100g):25-35
*Res.on325 mesh (%):≤0.3
*Water sol.Salts (%):≤0.3
*Moisture:≤1.0
*PH value:3-7
*Tamped apparent density (g/cm3):0.4-0.6
*Particle shape:acicular
*Compared with std.:≤1
*Tinting strength:95-105