Pintura Acrílica Amarillo Nápoles 200 ml- Bellas Artes

Colour: Naples Yellow
Lightfastness: AA
Opacity: Opaque
Pigment: PW6, PY42, PY83
Pigment Description: Titanium Dioxide Rutile, Yellow Iron Oxide, Diarylide Yellow
ASTM Lightfastness Rating: I
Pigment Classification: Mixture
Colour Index Number: -
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 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 form a very important group in the manufacture of artist 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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