Winsor & Newton Cotman Watercolour 8ml Ultramarine
Winsor & Newton Cotman Watercolour Ultramarine is a rich deep transparent blue with excellent lightfastness. It was created by French chemist Guimet in 1828 as a synthetic but chemically identical replacement for the expensive pigment derived from Lapis Lazuli.
Winsor & Newton Cotman Watercolour uses fine art pigments with reduced pigment load for an accessible choice while still uncompromising on quality. Cotman Watercolour is formulated to create uniform consistency for transparent and permanent, lightfast color that is perfect for new users.
Pigment Color Code: PB29
Lightfastness: Excellent
Opacity: Transparent
Staining: No
Granulation: Yes
Permanence: Permanent
Contains MBIT. May produce an allergic reaction. Contains a biocidal product: IPBC. Risk of skin sensitization.