Available Sizes:
| 40ml | 150ml | 300ml | 500ml |
| FU4 | FU1 | FU300 | FU5 |
Art Spectrum® French Ultramarine is a rich, transparent blue. Developed in 1828 by the French chemist Jean-Baptiste Guimet, it is a synthetic but indistinguishable alternative to the costly pigment derived from Lapis Lazuli.
| Pigments | Lightfastness | Permanence | Transparent/Opaque |
| PB29 | ASTMI | **** (excellent) |
Semi-Transparent |
ASTM Approved Permanent Colours American Society for Testing and Materials, conforming to standard D4302-90.
