Series 5
Cobalt Blue
(No. 506)
â“‹Â VEGAN
Inorganic – Introduced at about the same time as Ultramarine, Cobalt Aluminate is a synthetic, inorganic pigment. It is more greenish-blue, with a heavier, more mineral appearance when seen as a dry pigment. The hues formed from it are correspondingly heavier and greyer. But it has a certain shade that the less expensive ultramarine cannot quite match. The paint film, when cured, is quite soft.
| Colour Index | PB28 |
| Drying | Very Fast |
| Transparency | Semi-Transparent |
| Lightfastness | Excellent |
| Oil Content | Average |
| Tint Power | Average |
| Toxicity | Non-Toxic |
| ASTM D-4236 | ✔ |
| Prop 65 | ✔ |
Series 5
Cobalt Blue
(No. 506)
â“‹Â VEGAN
Inorganic – Introduced at about the same time as Ultramarine, Cobalt Aluminate is a synthetic, inorganic pigment. It is more greenish-blue, with a heavier, more mineral appearance when seen as a dry pigment. The hues formed from it are correspondingly heavier and greyer. But it has a certain shade that the less expensive ultramarine cannot quite match. The paint film, when cured, is quite soft.
| Colour Index | PB28 |
| Drying | Very Fast |
| Transparency | Semi-Transparent |
| Lightfastness | Excellent |
| Oil Content | Average |
| Tint Power | Average |
| Toxicity | Non-Toxic |
| ASTM D-4236 | ✔ |
| Prop 65 | ✔ |