Ivory Black JU, PBk 9

Ivory Black is based on bone black but with a very high tinting strength. Usually the best qualities of bone blacks are called ivory black. Suitable in aqueous media and oils.

Chemical and Physical Properties: Method Coloring strength 100 ± 5 DIN 55986 pH: 8.5 – 12.0 DIN-ISO 787/9 Bulk density: approx. 0.5 g/cm3 DIN 53600 Volatile content: ≤ 4 % LALPA 015.V01 Ignition residue: 81 – 85 % DIN 53586 Carbon content: approx. 16 % TGA Specific surface: approx. 110 m2 /g DIN 66131 Oil absorption: 70 ± 5 ml / 100 g DIN-ISO 787/5 Mean particle size: approx. 10 µm Laser diffraction

• Chemical description: C.I. Pigment Black 9
• Lightfastness - thinned: 8 (1 is bad, 8 is best)
• Lightfastness - medium: 8 (1 is bad, 8 is best)
• Lightfastness - concentrated: 8 (1 is bad, 8 is best)
• Suitability: Acrylics, Lime / Fresco, Oil, Tempera, Watercolor / Gouache