| Colour | Light Fastness | Heat Stability | Migration | Food Grade |
|---|---|---|---|---|
| Net Black - Bk 7021 | 8 | 5 | 5 | No |
| Jet Black - Bk 7022 | 8 | 5 | 5 | No |
| Eco Black - Bk 6040 | 8 | 5 | 5 | No |
| Black - BK 2040 | 8 | 5 | 5 | No |
The light fastness of masterbatch is dependent on type of pigments used. The light fastness of the pigments are based on exposure in QUV accelerated weathering tester & assessed on blue wool scale of 1 to 8.