Michael Harding Ivory Black - An impure amorphous Carbon in Calcium Phosphate, Ivory Black is no longer made from burning ivory scraps, but from charred animal bones. It is denser in shade and cooler than Lamp Black with stronger Tint Power. The most frequently used black in the range. This is the “blackest” black in the range.
| Color Index | PBk9 |
| Drying Speed | Average |
| Transparency | Semi-Transparent |
| Lightfastness | Excellent |
| Oil Content | High |
| Tint Power | Average |
| Toxicity | Non-Toxic |
| ASTM D-4236 | ✓ |