Holbein Artists' Oil Color - Silver, 20 ml tube

Pigment Information

This color contains the following pigments:

PM1-Aluminum

Pigment Name

PM1-Aluminum

Pigment Type

inorganic

Chemical Name

aluminum

Properties

Powdered aluminum is used to create silvery metallic and interference effects.

Permanence

Aluminum powder is lightfast, but it must be protected from oxidation. Under normal conditions, aluminum metal is protected by a thin layer of oxides that forms on the metallic surface.

History

Although aluminum is an abundant element in the Earth's crust, it was a semi-precious metal until the late 19th century, when an electrolytic process was developed for extracting aluminum from the mineral oxide forms in which it naturally occurs.