Black Oxide Pigment, Size: 1 Kg

SKU: NAP-480-301K
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    US 26.37$
    US 27.50$
    US 26.37$
    US 27.50$
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    Color
    Black
    Processing time
    Usually ships the next business day.
    Pigment type
    Inorganic, Earth, Natural
    Description

    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.

    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 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.

    Source

    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.

    Toxicity

    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

    Pigment Information
    Color: Black
    Colour Index: Pigment Black 11 (77499)
    Chemical Name: Ferrous ferric oxide produced from magnetite
    Chemical Formula: Fe3O4
    ASTM Lightfastness Rating
    Acrylic: I
    Oil: I
    Watercolor: I
    Properties
    Density: 5.15
    Hardness (Mohs): 5.5–6.0
    Refractive Index: n=2.42
    Shipping specs
    Weight
    2.2 lbs
    Shipping from
    This product is shipped from our supplier's warehouse in Willits, CA, United States
    Our guarantee
    This product is brand new and includes the manufacturer's warranty, so you can buy with confidence.
    A 25% handling charge is levied against all authorized returns except those due to our error. Unauthorized returns are subject to a 40% handling charge. Damages & defects must be reported to us within 14 days.
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