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ArtistSupplySource.com » Painting & Painting Accessories » Raw Materials » » » Rublev Colours Natural Black Oxide 1 kg - Color: Black
 

Rublev Colours Natural Black Oxide 1 kg - Color: Black

SKU : NAP-480-301K
The minimum order amount for this product line is $30.00
Rublev Colours Natural Black Oxide 1 kg - Color: Black
Discount table
Qty Price
 1   US$ 27.74 
 2   US$ 27.57 
 3   US$ 27.48 
 4-5   US$ 27.41 
 6-7   US$ 27.31 
 8-11   US$ 27.24 
 12+   US$ 27.14 
 
Price: US$ 27.74
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Subtotal:
US$ 27.74




 
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Product description

Details
Series 2

Our natural black iron oxide is from the last remaining European company operating the ochre deposits in the French quarries of Gargas and Rustrel nestled in a 12 mile long enclave in the heart of the Luberon Massif, the ochre country. A dense, opaque, heavy color that is absolutely permanent. It is comparatively cool to neutral in undertone, wets easily, and is non-greasy, when compared to carbon blacks. It is a useful pigment when these qualities are required.

Pigment Names
Common Names: English: black oxide
French: oxyde noir
German: Oxid Schwarzes
Italian: ossido nero
Japanese: 酸化物黒
Portuguese: óxido preto
Spanish: óxido negro
Alternate Names: English: black iron oxide, iron oxide
French: fer oxydé, naturelle noir Indien

Mars black is the name given to the artificial substitute of natural black oxide.
Origin and History

Black oxide is a recent development in modern pigments and was unknown in artists' palettes before the 19th century.

Source

The source of natural black oxide usually is from an iron ore called magnetite. Magnetite, also known as lodestone, is a ferrous ferric oxide (ferrosic oxide) that is a heavy, black color and opaque. Theoretically, black iron oxide contains slightly more iron metal than red oxide but not nearly as much as yellow oxide. The native mineral may contain varying amounts of manganese, sulfur, clay and silica.

Permanence and Compatibility

Natural black oxide is absolutely permanent colors for all uses on the artist's palette. It is compatible with all other pigments, and can be used with good results in all mediums.

Oil Absorption and Grinding

Natural black oxide absorbs a moderately low amount of oil. The oil absorption ratio is 10–15 parts by weight of pigment to 100 parts by weight of linseed oil. If the measurement were grams, it would require 100 grams (by weight) of linseed oil to grind 10 to 15 grams (by weight) of pigment to form a stiff paste. It makes an average drying oil paint, and forms a hard, fairly flexible film.

Toxicity

Natural black oxide is not considered toxic, but care should be used in handling the dry powder pigment to avoid inhaling the dust.


Rublev Colours Pigment: Natural Black Oxide

Pigment Information
Color: Black
Colour Index: Pigment Black 11 (77499)
Chemical Name: Ferrous ferric oxide produced from magnetite ore
Chemical Formula: Fe3O4
ASTM Lightfastness Rating
Acrylic: I
Oil: I
Watercolor: I
Properties
Density: 5.15
Hardness: 5.5–6.0
Refractive Index: n=2.42





Product weight: 2.20 lbs
 

This product is shipped from our warehouse in Gretna, NE, USA.
This product is brand new and includes the manufacturer's warranty, so you can buy with confidence.
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Natural Black Oxide 1 kg
Natural Black Oxide 1 kg

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