These colours offer excellent permanency and lightfastness. There are no fillers, extenders, opacifiers, toners, or dyes added, and they have an exceptionally smooth, thick buttery consistency.
Pigment Classification: Mixture
Chemical Description:
Amorphous Carbon produced by charring animal bones
Calcined Natural Iron Oxide
Opacity/Transparency: 2
Lightfastness Rating: I
Permanency: Exc
Colour Index Name: PW 6 / PBk 9 / PBr 7
Colour Index Number: 77891 / 77267 / 77491
Munsell Notation Listing:
Value 7.9
Chroma 0.1
Viscosity Range: 20000-24000 CPS
Gloss Average: 51.5
CIE L*a*b* Values: L*80.83 a*-0.08 b*0.54
Tint Strength: 92.54
