Description
The pigment in this product is a mixture of polysulfide of sodium-alumino-silicate and nearly pure amorphous carbon. The opacity/transparency is 1, the lightfastness rating is I, and the permanency is exc. The colour index name is PB 29 / PBk 7, and the colour index number is 77007 / 77266. The Munsell Notation Listing is Hue 4.0 PB Value 1.75 Chroma 0.6. The average tint strength is 76.06.
Open Acrylics are formulated with an optimum balance of pigment load and 100% acrylic polymer dispersion. They resist skinning, remain wet on the palette for extended periods and exhibit a remarkable versatility that allows them to be used directly from the tube for plein air painting, monoprinting and screenprinting.
Pigment Classification: Mixture
Chemical Description: Polysulfide of Sodium-Alumino-Silicate Nearly Pure Amorphous Carbon
Opacity/Transparency: 1
Lightfastness Rating: I
Permanency: Exc
Colour index name: PB 29 / PBk 7
Colour index number: 77007 / 77266
Munsell Notation Listing: Hue 4.0 PB Value 1.75 Chroma 0.6
Viscosity Range: 4000-15000 CPS Gloss
Average: 45.7 CIE L*a*b*
Values: L*24.12 a*0.05 b*-2.24
Tint Strength: 76.06
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