Pigment Classification: Synthetic Inorganic
Color Index Name: PB 29
Color Index Number: 77007
Chemical Description: Polysulfide of Sodium-Alumino-Silicate
Opacity/Transparency: Semi-Transparent
Lightfastness Rating: I
Permanency: Not for exterior use
Munsell Notation Listing: Hue 8.0 PB Value 2 Chroma 4.5
Gloss Average: 23.89
Viscosity Range: 23000- 27000 CPS
CIE L*a*b* Values: L*24.36 a*12.28 b*-25.74
Tint Strength: 79.94
Historically a very expensive ground lazurite pigment, synthetic pigment has been used since the 1830’s making it one of the most popular and affordable blues, Yves Klein blue is mostly Ultramarine. (Series2)