APPEARANCE RED POWDER SHADE BLUISH HEAT RESISTANCE 200 °C min LIGHT FASTNESS 6 ACID RESISTANCE 4 ALKALI RESISTANCE 5 WATER RESISTANCE 5 DENSITY 1.30 g/cm3 RESIDUE ON 80 MESH 5.0% max WATER SOLUBLE 1.0% max VOLATITE 105 °C 1.0% max TINTING STRENGTH 100-105 %