Description
This is a description of the Professional Watercolour series of paints, which come in a variety of colors and are designed to be highly durable and transparent. The paints are made with a cobalt titanate pigment and have an ASTM lightfastness rating of N/L.
Series number: 4
Chemical Description: Cobalt titanate
Colour index name: PG 50
Colour index number: 77377
Permanence rating: AA
ASTM Lightfastness Rating: N/L
Transparency/
Opacity: SO
Granulating/Staining: G
The colours are chosen according to mass tone (colour from tube), undertone (bias of colour when in a thin film), colour strength, relative opacity and the character of the pigment in water colour, ie. granulating, staining or even wash. The resultant colour spectrum ensures the largest number of colours can be mixed from the range. The optimum brilliance of every colour in the Artists' Water Colour range is unparalleled by any other water colour. Remarkably, this brilliance is combined with high permanence.
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