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Cobalt Blue (No. 506)

£35.63£1,346.57 tax incl.


Inorganic – Introduced at about the same time as Ultramarine, Cobalt Aluminate is a synthetic inorganic pigment. It is a more greenish-blue, with a heavier, more mineral appearance when seen as dry pigment. The hues formed from it are correspondingly heavier and greyer. But it has a certain shade that the less expensive ultramarine cannot quite match. The paint film when cured is quite soft.

Colour Index PB28
Drying Very Fast
Transparency Semi-Transparent
Lightfastness Excellent
Oil Content Average
Tint Power Average
Toxicity Non-Toxic
ASTM D-4236  yes
Prop 65  yes


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