Description
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. *not recommended for outdoor use
Pigment Classification : Synthetic Inorganic
Color Index Name : PB 29
Color Index Number : 77007
Chemical Description : Polysulfide of Sodium-Alumino-Silicate
Opacity/Transparency : 6
Lightfastness Rating : I
Permanency : Not for exterior use
Munsell Notation Listing :Hue 8.0 PBValue 2Chroma 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