Available Size:
| 120ml |
| DGP220 |
Art Spectrum® Dry Ground Pigment Cobalt Blue.
Cobalt Blue is a clean medium-blue pigment discovered by French chemist Louis Thénard in the early 1800’s and was an alternative to the very expensive Lapis Lazuli.
A synthetic inorganic pigment with excellent lightfast properties.
| Series | Colour Index | Chemical Description | Classification | Opacity | ASTM |
| 4 | PB28 | Oxides of Cobalt and Aluminum | Synthetic Inorganic | Semi Transparent | ASTMI |
ASTM Approved Permanent Colours American Society for Testing and Materials, conforming to standard D4302-90.
