Available Sizes:
| 50ml | 100ml | 500ml |
| PIUB6 | PIUB1 | PIUB5 |
Art Spectrum® Ultra Black Pigmented Ink
*Always shake well before use
| Pigment | Lightfastness | Opacity |
| PBk7, PB29 | ASTM I | Opaque |
ASTM Approved Permanent Colours American Society for Testing and Materials, conforming to standard D4302-90.
