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Da Vinci Artists' Permanent Watercolor - Cobalt Blue Deep, 15 ml tube
Recorded retailer price · not live
$15.00
Blick Art Materials · recorded 2026-10-21T06:24:16.564995000Z
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Product details
- Size
- 15 ml
- Blick SKU
- 00371-5380
About this product range
Da Vinci takes the name of their company very seriously. Their paints are exciting, intense, and rated among the best in the world for quality. The paints are permanent, with the highest tinting strength and pigment concentration available. However, they are especially soft, with a creamy consistency for smooth, easy dispersion with water. Available in both 15 ml (.51 oz) and 37 ml (1.25 oz) tubes. Da Vinci paints conform to artist's quality standard ASTM D-5067, and to safety standard ASTM D-4236.
Pigment information
General reference notes about pigments can describe other media (such as oil). They do not verify this product’s exact formulation or behavior.
Cobalt Blue
- Pigment code
- PB28
- Type
- inorganic
- Chemical name
- cobalt(II) oxide + aluminum oxide
- Chemical formula
- CoO + Al2O3
- Properties
- Cobalt blue is a semitransparent pigment with low to moderate tinting strength. When it dries, it appears lighter and less saturated. Pigment particles are large and grainy. Differences in how the pigment is ground and mixed lead to considerable differences in its performance among various manufacturers.
- Permanence
- Cobalt blue is absolutely lightfast and extraordinarily stable. The stability of cobalt salts at high temperatures make them the standard for blues used in ceramics and glassware.
- Toxicity
- Cobalt salts are toxic. Avoid respiratory and skin contact. Soluble cobalt may cause irritation and allergic reaction through contact with skin. It is considered a possible carcinogen.
- History
- Since ancient times, smalt blue has been used to color glass and ceramics. Cobalt salts, which give smalt its characteristic blue color, were identified in the 18th century. Techniques for manufacturing Cobalt Blue, a chemically pure salt of cobalt and aluminum oxide, were developed in 1802.
- Description
- Smalt Blue
Related supplies
- Da Vinci Artists' Permanent Watercolor - Cobalt Blue Deep, 37 ml tube
- Da Vinci Artists' Permanent Watercolor - Cobalt Blue, 15 ml tube
- Da Vinci Artists' Permanent Watercolor - Cobalt Blue, 37 ml tube
- Da Vinci Artists' Permanent Watercolor - Cobalt Turquoise Deep, 15 ml tube
- Da Vinci Artists' Permanent Watercolor - Cobalt Violet Deep (CL), 15 ml tube
- Da Vinci Artists' Permanent Watercolor - Cobalt Violet Deep, 37 ml tube
- Da Vinci Artists' Permanent Watercolor - Iridescent Phthalo Blue, 15 ml tube
- Da Vinci Artists' Permanent Watercolor - Phthalo Blue (Red Shade), 15 ml tube
- Da Vinci Artists' Permanent Watercolor - Phthalo Blue (Red Shade), 37 ml tube
- Da Vinci Artists' Permanent Watercolor - Phthalo Blue, 15 ml tube
- Da Vinci Artists' Permanent Watercolor - Phthalo Blue, 37 ml tube
- Da Vinci Artists' Permanent Watercolor - Cerulean Blue Hue, 15 ml tube