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Utrecht Artists' Watercolor Paint - Davey's Gray - 14 ml tube

Item #:01766-2502
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Davey's Gray
Davey's Gray

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Product Details

Color:
Davey's Gray
Size:
14 ml

Pigment Information

This color contains the following pigments:

PBk7-Lamp Black

PBk19-Slate Gray


Pigment Name

PBk7-Lamp Black

Pigment Type

inorganic

Chemical Name

carbon

Chemical Formula

C

Properties

Lamp black is a very opaque, heavily staining black pigment that does not have much covering or tinting power. It is typically the most opaque black in watercolor form. Though a very pure black, it tends to muddy slightly in mixtures. Natural sources may be brownish or bluish in tone because of impurities. When used in oil paints, it is one of the slowest drying pigments, and should not be used in underpainting or applied in layers underneath other colors.

Permanence

Lamp Black is very lightfast and absolutely permanent. It is used in all techniques in permanent painting.

Toxicity

Carbon itself is not considered hazardous, however other combustion products that are hazardous are often present as impurities when Lamp Black is produced from natural materials. For this reason, commercial preparations of the pigment should be considere

History

Lamp Black is a carbon based black traditionally produced by collecting soot (known as lampblack) from oil lamps. It has been used as a pigment since prehistoric times. It is the black found in Egyptian murals and tomb decorations and was the most popular black for fresco painting until the development of Mars Black.


Pigment Name

PBk19-Slate Gray

Pigment Type

inorganic

Chemical Name

hydrated aluminum silicate

Chemical Formula

Properties

Slate Gray is a semi-opaque, neutral gray pigment produced from powdered slate.

Permanence

Slate Gray is absolutely lightfast.

Toxicity

Hydrated aluminum silicate is not considered toxic, however pigment from natural sources may contain impurities.

History

Mineral sources of Slate Gray have been used as a colorant since prehistoric times. 


Safety Data Sheet