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Named after British painter William Payne (1760-1830), early formulas contained indigo, alizarin lake, and ivory black. Today more commonly a mixture of ultramarine blue and black, it is considered easier to control and less intense than black as a mixing color.
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Pigment Classification:åÊMixture
Color Index Name:åÊPB 29 / PBk 7
Color Index Number:åÊ77007 / 77266
Chemical Description:åÊPolysulfide of Sodium-Alumino-Silicate Nearly Pure Amorphous Carbon
Opacity/Transparency:åÊSemi-Opaque
Lightfastness Rating:åÊI
Permanency:åÊExcellent
Munsell Notation Listing:åÊHue 4.0 PB Value 1.75 Chroma 0.6
Gloss Average:åÊ45.7
Viscosity Range:åÊ4000-15000 CPS
CIE L*a*b* Values:åÊL*24.12 a*0.05 b*-2.24
Tint Strength:åÊ76.06
