Physical Data Product Name Color Index Density (g/cm3) Oil Absorption (ml/100g) Heat Resistance (°C) Light Fastness Blue 1500P Blue 15:0 1.5 38 180 7 Blue 1510 Blue 15:1 1.6 38 280 7 Blue 1520 Blue 15:2 1.6 38 280 8 Blue 1530 Blue 15:3 42 280 1.5 7-8 Blue 1530E Blue 15:3 1.5 38 280 7-8 Blue 1530P Blue 15:3 1.5 42 280 7-8 Blue 1540 Blue 15:4 1.5 38 260 8 Blue 1548 Blue 15:4 1.5 38 260 8 Blue A3R Blue 60 1.5 45 260 8