Pintura Acrílica Blue Anthraquinone 500 ml - Fine Arts

Colour: Anthraquinone Blue
Lightfastness: AA
Opacity: Opaque
Pigment: PB60
Pigment Description: Indanthrone
ASTM Lightfastness Rating: I
Pigment Classification: Synthetic organic
Colour Index Number: 69800
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 are now a very important group in the manufacture of artists’ colours, 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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