Description
This is a description of a professional watercolor tube. The series number is 2, the chemical description is complex sodium aluminium silicate containing sulphur, the colour index name is PB 29, the colour index number is 77007, the permanence rating is A (iii), the ASTM lightfastness rating is I, and the transparency/opacity is T. The granulating/staining is G.
Series number: 2
Chemical Description: Complex sodium aluminium silicate containing sulphur
Colour index name: PB 29
Colour index number: 77007
Permanence rating: A (iii)
ASTM Lightfastness Rating: I
Transparency/
Opacity: T
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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