Winsor & Newton Cotman Watercolour 8ml Intense Blue (Phthalo Blue)
Winsor & Newton Cotman Watercolour Intense Blue (Phthalo Blue) is a transparent deep intense blue with very good lightfastness which when undiluted, forms an inky blue black. It is made from the modern pigment Phthalocyanine which was introduced in the 1930s.
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: PB15
Lightfastness: Very Good
Opacity: Transparent
Staining: Yes
Granulation: No
Permanence: Permanent
Contains MBIT. May produce an allergic reaction. Contains a biocidal product: IPBC. Risk of skin sensitization.