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  1. Ultramarine Blue Dark pigment in a 15ml jar.

    Pigment 15 ml Ultramarine Blue Dark (10g)

    £4.00

    Inorganic pigment consisting kaolin, soda ash, sulphides and coal. Semi-transparent. High tinting strength. Excellent Lightfastness. Medium to slow drying rate. Suitable in all media except Lime-fresco. For fresco, we recommend Ultramarine Lime-wash pigment. Used since early 19th Century.
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  2. Ultramarine Blue Dark Pigment

    Ultramarine Blue Dark Pigment

    Starting at: £4.00

    PB29

    Ultramarine Blue Dark is an artificial mineral pigment that is produced by heating clay, soda, sulphur and coal to high temperatures. Its name comes from outremer, or over-the-sea, as a reference to the highly-prized Lapis Lazuli pigment which had been imported into Europe from Afghanistan since the Middle Ages. First manufactured in France and Germany in 1828, synthetic Ultramarine provided a brilliant and affordable blue to artists, and it remains one of the most popular blues on artists' palettes today.

    It is a transparent pigment, with a high tinting strength and excellent lightfastness. It reacts to alkali, therefore it is not suitable for use in lime-fresco; we do offer a Limeproof Ultramarine Blue for this purpose. It is stable in all other media, although it can be tricky to grind in oil. Instead of creating a thick, buttery paste, it can remain stringy and deteriorate when stored in a tube. To correct this, many commercial paint manufacturers include additives and waxes in their recipes; if you intend on grinding your own paint, you could try replacing 10-15% of your Linseed Oil with Poppy Oil to improve the consistency. Ultramine Blue provides a slow-drying, fairly hard paint film, which can tend towards brittleness.

    Toxicity: B

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