Pigment Red 21
Pigment Name | Fast Red 2R-A | 2R-B |
Color Index No | Pigment Red 21 |
CAS No | 6410-26-0 |
EU No | 229-096-4 |
PH Value | 6.0-7.0 |
Density | 1.5 |
Oil Absorption | 40 |
Light Fastness | 7 |
Heat Resistance | 302 °F (150°C) |
Water Resistance | 4 |
OIl Resistance | 3 |
Acid Resistance | 3 |
Alkali Resistance | 3 |
Main Applications
Pigment Red 21 is a yellowish mono azo red pigment with high strong color strength and easy dispersing. It is mainly used in: