HomePaint and MediumsGouacheSchmincke Horadam Artist GouacheSchmincke Horadam Artist Gouache - Raw Sienna, 15 ml tube

Schmincke Horadam Artist Gouache - Raw Sienna, 15 ml tube

Item #:00817-8060
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Raw Sienna
Raw Sienna

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Product Details

Color:
Raw Sienna
Size:
15 ml
No.
644
Series:
12

Pigment Information

This color contains the following pigments:

Ivory Black

Zinc Ferrite Brown


Pigment Name

Ivory Black

Pigment Type

charred animal bone

Chemical Name

carbon + calcium phosphate

Chemical Formula

C + Ca3(PO4)2 or C × CaPO4

Properties

Ivory Black is a cool, semi-transparent blue-black with a slight brownish undertone and average tinting strength. It mixes well with any color, and creates a range of dull greens when mixed with yellow. It has good properties for use in oil, can be slow to dry in oil form, and should never be used in underpainting or frescoing. Ivory Black is denser than Lamp Black.

Permanence

Ivory Black is very lightfast and has good permanence, though it is considered the least permanent of the major black pigments.

Toxicity

Ivory Black has no significant hazards.

History

Ivory Black is a carbon based black first named as Elephantium, and described in the 4th century BCE as produced by heating ivory scraps in clay pots to reduce the ivory or bone to charcoal. The deviation in names is because the more expensive varieties of this pigment were made by burning ivory, and the less expensive ones by burning animal bone. In the 19th century, the name Ivory Black was finally permitted to be applied to Carbon Black pigments made from bone. True Ivory Black is rare in modern times due to the protection of ivory, and the synthetic variety produced today was discovered in 1929. Bone Black is produced as an industrial pigment.


Pigment Name

Zinc Ferrite Brown

Pigment Type

inorganic

Chemical Formula

(Zn, Fe)Fe2O4

Properties

Zinc Ferrite Brown is a yellowish brown.

Permanence

Toxicity

History

Zinc Ferrite Brown has been used in paints and plastics.


Safety Data Sheet

UPC Code: 4012380056030

ASIN #: B008J23CNI