Winsor & Newton Cotman Watercolour 21ml Ultramarine

COTMAN WATER COLOURS ULTRAMARINE

Winsor & Newton Cotman Watercolour is made from selected pigments for watercolourists looking for an economical choice. Cotman Water Colours offer a range of colours that are made to Winsor & Newtons high standards but are kept to an economical price level by replacing some of the more costly pigments with less expensive alternatives. The range possess high levels of permanence with good transparency and excellent tinting strength.

Ultramarine is a rich deep transparent blue. It was created by French chemist Guimet in 1828 as a synthetic but chemically identical replacement for the expensive pigment derived from Lapis Lazuli.

Colour Granulating Staining G
Colour Number 660
Colour Series 1
Lightfastness (ASTM) II
Permanence Rating A
Pigment(s) PB29
Product Code 0308660
Transparency / Opacity T