Color number/code: 644
Series number: 1
Chemical description: Titanium dioxide, Zinc oxide
Color index name: PW6, PW4
Color index number: 77891, 77947
Permanence rating: AA
ASTM lightfastness rating: I
Every Winsor & Newton Artists' Oil Colour is individually formulated to enhance each pigment's natural characteristics and ensure stability of colour. By exercising maximum quality control throughout all stages of manufacture, selecting the most suitable drying oils and method of pigment dispersion, the unique individual properties of each colour are preserved.
Combined with over 170 years of manufacturing and quality control expertise, the formulation of Artist's Oil Colour ensures the best raw materials are made into the world's finest colours.
Artists' Oil Colour uses the highest level of pigmentation consistent with the broadest handling properties. The quantity of pigment used provides covering power and tinting strength.