Pyrrole Orange Acrylic Paint 500 ml - Fine Arts

Colour: Pyrrole Orange
Lightfastness: AA
Opacity: Semi-opaque
Pigment: PO73
Pigment description: Dicetopirrolo-Pyrrole Orange
ASTM Lightfastness Classification: I
Pigment classification: Synthetic organic
Colour Index Number: 561170
Viscosity range (mPa.s): 20,000 - 25,000

Colour Index
The pigments used are both inorganic and organic. Inorganic pigments have been used since ancient times and most are derived from or extracted from minerals and clays, such as natural earths, siennas and ochres. Titanium, carbon, ultramarine blue, cobalt and cadmium pigments also belong to this category. Many of these are now synthesised through industrial processes. Organic pigments are more modern, developed in the early 20th century thanks to new synthesis methods in Organic Chemistry. These synthetic pigments now represent a very important group in the manufacture of colours for artists, producing bright and luminous tones of extraordinary intensity. The range of organic pigments is currently very extensive and includes azo pigments, phthalocyanine blues and greens, dioxazines, pyrroles, anthraquinones, quinacridones, and more.
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