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Transparent color originally made from ground cobalt glass and used in 16th and 17th century European paintings in place of Ultramarine. Historically Smalt loses color over time, but this modern formula offers a classic deep blue that is permanent. (Series1)
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Pigment Classification: Mixture
Color Index Name: PB29 / PV23 / Pbk7
Color Index Number: 77007 / 51319 / 77266
Chemical Description: Polysulfide of Sodium-Alumino-Silicate Carbazole Dioxazine Nearly Pure Amorphous Carbon
Opacity/Transparency: Transparent
Lightfastness Rating: II
Permanency: Very Good
Munsell Notation Listing: Hue 5.0 PB Value 2.6 Chroma 2
Gloss Average: 21.39
Viscosity Range: 20000-27000 CPS
CIE L*a*b* Values: L*25.69 a*3.69 b*-14.17
Tint Strength: 88.69
