Description
Griffin Alkyd Oil is a chlorinated copper phthalocyanine, natural earth color with a PG7, PG23 color index. It is transparent and has an opacity of O. It is rated AA for permanence and I for lightfastness.
Series number: 1
Chemical Description: Chlorinated copper phthalocyanine, Natural earth
Colour index name: PG7, PG23
Colour index number: 74260, 77009
Permanence rating: AA
ASTM Lightfastness Rating: I
Transparency/
Opacity: O
As with all Winsor & Newton colours, every colour in the range is individually formulated to take advantage of the natural characteristics of each pigment and to ensure the stability of the colour. The vehicle (oil modified alkyd resin) allows the colour to dry quicker whilst retaining the other characteristics of conventional oil colour.Because alkyd resin has physical properties that differ slightly from those of traditional oils, the pigment load is somewhat different as well. Experienced painters will notice slightly greater transparency compared to Artists' Oil Colour. The colour has been formulated to offer the greatest degree of tinting strength possible (consistent with good handling properties), and to take full advantage of the true characteristics of each pigment.
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