Holbein Artists' Oil Color - Cobalt Blue Pale, 40 ml tube
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Products bearing the CL seal of the Art & Creative Materials Institute ("Caution Label") contain ingredients that are toxic or hazardous, but when used in properly supervised and controlled conditions, they can be enjoyed with complete safety.
Product Details
- Description:
- Artists' Oil Colors
- Color:
- Cobalt Blue Pale
- Size:
- 40 ml (1.35 oz)
- Format:
- Tube
- No.
- 302
- Series:
- E
- Mfg #:
- H302
Colors on Monitors - Due to differences in users’ monitors, the colors presented are an approximation of the true color.
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Pigment Information
This color contains the following pigments:
PB28-Cobalt Blue
Pigment Name
PB28-Cobalt Blue
Pigment 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.
Safety Data Sheet
UPC Code: 4900669003021
ASIN #: B001DMRGMY