Schmincke Norma Blue Water-Mixable Oil Paint - Cadmium Red Hue Medium, 120 ml

Pigment Information

This color contains the following pigments:

PR254-Pyrrole Red

PY216-Rutile Tin Zinc

Pigment Name

PR254-Pyrrole Red

Pigment Type

organic, aminoketone

Chemical Name

Bis-(p-chrolopheny)-1. 4-diketopyrrolo(3. 4-c)pyrrole

Properties

Pyrrole Red is opaque and has strong covering power. According to manufacturer Ciba, which uses the trade name Irgazin Red, it is a “clean, highly saturated mid shade red with high temperature resistance, excellent color strength, outstanding chemical, solvent and bleed resistance, and good weatherfastness.”

Permanence

Pyrrole Red is considered to have excellent lightfastness among organic pigments in its class. Tests in industrial applications have given it scores of 7-8 on the Blue Wool Scale.

History

Pyrrole Red, used as an automotive paint and as a colorant in plastics, was developed as one of a range of pigments to replace lead based pigments. In art materials, it is often used as a synthetic and lightfast replacement for carmine, a laked pigment that was originally produced from the body of the cochineal insect. It is also used to replace the older naphthol reds, organic red pigments that are sometimes only marginally lightfast and weatherfast.

Pigment Name

PY216-Rutile Tin Zinc

Pigment Type

inorganic

Properties

This orangish yellow has been used in plastics and coatings.

History

Manufactured by Rockwood Pigments of the United Kingdom, its exact chemical formula has not been disclosed. It contains. titanium, tin, zinc, and antimony oxide.