pigment yellow 81 : pigment for plastic,ink Semi-transparent, universal type pigment yellow 81 Fastness Properties:1, Light Fastness: 5~62, Heat Resistance (oC): 2003, Water Resistance: 54, Oil Resistance: 45, Acid Resistance: 56, Alkali Resistance: 57, Alcohol Resistance: 4~5 pigment for plastic,ink