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Rublev Colours Bone Black Pigment/Color

SKU: NAP-GROUP-4000
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Rublev Colours Bone Black is an opaque warm black with good tinting strength, fine grained and brushes 'long' in the direction of the brush stroke.

Bone black, also known as bone char or animal charcoal, is a granular material produced by charring animal bones. The bones are heated to high temperatures without oxygen. It consists mainly of calcium phosphate and a smaller amount of carbon. Ivory black is an artists' pigment formerly made by grinding charred ivory. Ivory is no longer used because of the expense, and because animals that are natural sources of ivory are subject to international control as endangered species. Today, ivory black is considered a synonym for bone black. Among artist pigments, ivory black is considered a better grade of bone black, consisting of 15 percent or more of carbon. Natural Pigments uses only the best grade of bone char containing at least 18 percent carbon. Rublev Colours bone char oil paint is named Bone Black because we use accurate names for products.




Rublev Colours Artists' Oils: Bone Black
Note: Colors swatches are shown in mass tone, straight from the tube, on the left, and mixed with an equal amount of white on the right. All pictures of color swatches in this web site are only approximations of the actual color of the oil paint. We have taken every care to match the color in these pictures on calibrated color monitors to the actual color. However, because of the wide variance in color monitors the results you get may vary.

Color Names
Current Names: English: bone black
Dutch: beender zwart
French: noir d'os
German: Beinschwarz
Italian: nero di osso
Portuguese: preto de osso
Russian: костяной черный
Spanish: negro de hueso
Synonyms: English: ivory black
Dutch: ivoor zwart
French: noir d'ivoire
German: Elfenbeinschwarz
Italian: nero d'avorio
Russian: слоновой кости черный
Spanish: negro de marfil


Color Information
Single Pigment: Bone Black
Binder: Linseed Oil
Pigment Information
Color: Black
Colour Index: Pigment Black 9 (77267)
Chemical Name: Hydroxyapatite (calcium phosphate) and carbon
Chemical Formula: Ca5(OH)(PO4)3 and C
Properties
ASTM Lightfastness: I
Opacity: Opaque
Tinting Strength: High
Drying rate: Average


Note: Some separation of pigment and oil may occur in Rublev Colours Artists' Oils and is a natural process when no wax or stabilizers are added to paint to prevent this from occurring.



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This product is shipped from our warehouse in Gretna, NE, USA.
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