Black Oxide 100g
Rublev Colours black oxide is 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. Learn more about black iron oxide.
Rublev Colours black oxide is 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.
|Common Names:||English: black oxide
French: oxyde noir
German: Oxid Schwarzes
Italian: ossido nero
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 synthetic black iron oxide.
Origin and History
Black oxide is a recent development in modern pigments and was unknown in artists' palettes before the nineteenth century.
The source of 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
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
Black oxide absorbs a moderately low amount of oil. The oil absorption ratio is 10–15 parts by weight of linseed oil to 100 parts by weight of pigment. If the measurement were grams, it would require 100 grams (by weight) of pigment to grind 10 to 15 grams (by weight) of linseed oil to form a stiff paste. It makes an average drying oil paint, and forms a hard, fairly flexible film.
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: Black Oxide
|Colour Index:||Pigment Black 11 (77499)|
|Chemical Name:||Ferrous ferric oxide produced from magnetite|
|ASTM Lightfastness Rating|
|Processing Time||Usually ships the next business day.|
|Size||100 g jar|
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