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Iron oxide red
Fe2O3 / Fe3O4 %min --- 96
Color difference vs standard, max --- 1.0
Tinting Srength Vs Standard ,% --- 95-105
PH-value, range ---- 4-7
Sieve residue on 0.045mm-mesh,%max ---- 0.3
Oil absorption, range----15-25
Water soluble salts,% max----0.5
Volatiles at 105,%max---- 0.8
Loss on ignition At 1000 °C& 0.5hour,%max----0.5
Density (approx g/cm3 )----0.7-1.1
Iron oxide yellow
Fe2O3 / Fe3O4 %min --- 86
Color difference vs standard, max --- 1.0
Tinting Srength Vs Standard ,% --- 95-105
PH-value, range ---- 3-7
Sieve residue on 0.045mm-mesh,%max ---- 0.3
Oil absorption, range----25-35
Water soluble salts,% max----0.3
Volatiles at 105,%max---- 0.8
Loss on ignition At 1000 °C& 0.5hour,%max----0.5
Density (approx g/cm3 )----0.4-0.6
Iron oxide black
Fe2O3 / Fe3O4 %min --- 95
Color difference vs standard, max --- 1.0
Tinting Srength Vs Standard ,% --- 95-105
PH-value, range ---- 4-7
Sieve residue on 0.045mm-mesh,%max ---- 0.3
Oil absorption, range----15-25
Water soluble salts,% max----0.5
Volatiles at 105,%max---- 0.5
Loss on ignition At 1000 °C& 0.5hour,%max----0.4
Density (approx g/cm3 )---- 0.9-1.2
Iron oxide green
Fe2O3 / Fe3O4 %min --- 95
Color difference vs standard, max --- 1.0
Tinting Srength Vs Standard ,% --- 95-105
PH-value, range ---- 3.5-7
Sieve residue on 0.045mm-mesh,%max ---- 0.3
Oil absorption, range----25-35
Water soluble salts,% max----0.5
Volatiles at 105,%max---- 0.5
Loss on ignition At 1000 °C& 0.5hour,%max---- 0.3
Density (approx g/cm3 )---- 0.4-0.8
Iron oxide blue
Fe2O3 / Fe3O4 %min --- 95
Color difference vs standard, max --- 1.0
Tinting Srength Vs Standard ,% --- 95-105
PH-value, range ---- 3-7
Sieve residue on 0.045mm-mesh,%max ---- 0.3
Oil absorption, range----15-25
Water soluble salts,% max----0.5
Volatiles at 105,%max---- 0.5
Loss on ignition At 1000 °C& 0.5hour,%max---- 0.5
Density (approx g/cm3 )---- 0.4-0.8
Iron oxide
