Cobalt Blue is the only absolutely lightfast and weatherproof blue which makes it an ideal pigment for fresco painting. Together with the irreplaceable visual experience created by its soft hue this makes it a favorite classic among artists.

• Chemical description: (Co,Zn)2SiO4, Pigment Blue 74, C.I. 77366
• Chemical Formula: (Co,Zn)2SiO4
• Lightfastness - thinned: 8 (1 is bad, 8 is best)
• Lightfastness - medium: 8 (1 is bad, 8 is best)
• Lightfastness - concentrated: 8 (1 is bad, 8 is best)
• ColorIndex: PB 74.77366
• Suitability: Acrylics, Cement / Tadelakt, Ceramic, Lime / Fresco, Oil, Silicate binder, Waterglass, Tempera, Watercolor / Gouache
• Colors: Blue
• Forms: solid
• Solubility in water: No data available

Warning! May cause an allergic skin reaction.
Avoid breathing dust/ fume/ gas/ mist/ vapors/ spray.
Contaminated work clothing should not be allowed out of the workplace. Wear protective gloves/ clothing/ eye/ face protection.  If skin irritation or rash occurs: Get medical attention.  Take off contaminated clothing and wash before reuse. Dispose of contents/ container according to regional, national andinternational regulations.

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