HomePaint and MediumsAcrylic PaintWinsor & Newton Professional Acrylics and SetsWinsor & Newton Professional Acrylics - Cobalt Blue, 200 ml tube

Winsor & Newton Professional Acrylics - Cobalt Blue, 200 ml tube

Item #:01630-5184
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Cobalt Blue
Cobalt Blue

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AP Non-Toxic.

Products bearing the AP seal of the Art & Creative Materials Institute, Inc. (ACMI) are certified non-toxic. A product can be certified non-toxic only if it contains no materials in sufficient quantities to be toxic or injurious to humans, or to cause acute or chronic health problems.

California Proposition 65.California Proposition 65

WARNING: CANCER AND REPRODUCTIVE HARM -- WWW.P65WARNINGS.CA.GOV

Product Details

Color:
Cobalt Blue
Mfg #:
2337178
Series:
4
No.
178
Format:
Tube
Size:
200 ml

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: 094376991123

ASIN #: B003SEIZKW