Handmade Oil Paint: Single-Pigment Colors - Synthetic Pigments
Cobalt Blue
Joules & Joules Cobalt Blue is a vibrant, semi-opaque, and highly lightfast intermediary blue with moderate tinting strength and covering power. Since 1804, when it was first made, it has been one of the most popular blue shades. Additionally, commonly known as `true blue`, it features as the primary color blue in many artists' palettes due to its quality of neither being greenish nor purplish in its undertones.
Pigment Classification
Synthetic Inorganic Pigment
Chemical Composition
Cobalt and Aluminum Oxides - CoAl2O4
Color Index
PB 28
Binder
Cold-Pressed Linseed Oil, Cold-Pressed Safflower Oil, and Sun-Thickened Linseed Oil
Transparency/Opacity
Semi-Opaque
Lightfastness
I (Excellent)
Tinting Strength
Medium
Drying Rate
Medium
Observations
Unaffected by light or high temperatures. It may turn slightly whitish over time. May darken if it is mixed with Lead White.
Toxicity
Avoid inhalation and contact with the powdered. pigment Do not ingest either the powdered pigment or the paint. In case of ingestion call your local intoxication center or a doctor. Keep it away from children.
Material Safety Data Sheet
Can be accessed on the website here.
Series
4
Availability
37ml and 100ml tubes. 900ml* and 3.6 L* cans.
For more detailed information on our products, colors, and processes, check out our Product List here.
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