Description
This is a description of the Professional Watercolour line of paints. The paints are made with natural iron oxide and have a colour index name of PR 102 and a color index number of 77491. The paints are rated as AA for permanence and have an ASTM Lightfastness Rating of N/L. The paints are transparent and have a opacity of SO.
Series number: 1
Chemical Description: Natural iron oxide
Colour index name: PR 102
Colour index number: 77491
Permanence rating: AA
ASTM Lightfastness Rating: N/L
Transparency/
Opacity: SO
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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