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Blick Artists' Acrylic - Cobalt Blue, 4.65 oz tube

Artists' Acrylic

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  • Blick Art Materials
    $31.18 USDShop
    Recorded Oct 22, 2026, 1:40 AM UTC

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Product details
Size
138 ml
Blick SKU
00624-5184
About this product range
  • Professional quality
  • True value
  • Exceptional pigment quality and color strength
  • Majority single-pigment range
  • High-viscosity for thick textures and suave blending
  • Formats range from 2 oz tubes–16 oz tubs

Blick Artists' Acrylics offer exceptional pigment quality, impressive color strength, and lasting durability at an incredible value. This professional-quality range includes 70+ rich colors. The majority are made with a single pigment for clean, accurate color mixtures.

Colors can be thinned with water or acrylic mediums and adapt to suit any painting style, from thick impasto strokes to thin, oil-like glazes. Available in jars and recyclable aluminum tubes, Blick Artists' Acrylics deliver a consistent, richly pigmented experience in any format. Made in the USA.

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

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