Blick StudioArtists' ColoredPencils and Sets
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Holbein's opaque matte gouache is Japan's foremost designers' color medium. These paints deliver a brilliant, rich matte finish using naturally opaque pigments - no opaquing agents added. This creates vibrant, exciting color that won't muddy when mixed.
Color Swatches created using full strength/50/50 and were applied on cold press Bristol board (2 ply) material.
cadmium sulfide and cadmium selenide
CdS × CdSe
Cadmium Orange was the first true orange and was made by mixing Cadmium Yellow with Cadmium Red. It is a pure hue with excellent opacity and low toxicity compared with its predecessors. It also has very high hiding power. The greatest tinting strengths are possessed by the deeper shades. Only the highest grades contain pure Cadmium Orange without barium mixed in it. Cadmium pigments have been partially replaced by azo pigments, which are similar in lightfasness to the cadmium colors, cheaper, and non-toxic.
Cadmium Orange has excellent permanence, but like many cadmium pigments, it will fade in fresco or mural painting. The deeper varieties of this pigment are the most permanent. The paler varieties have been known to fade when exposed to sunlight.
Cadmium Orange is a known human carcinogen. It is extremely toxic if inhaled and slightly toxic if ingested.
Cadmiums get their names from the Latin word cadmia, meaning zinc ore calamine, and the Greek word kadmeia, meaning Cadmean earth, first found near Thebes, the city founded by the Phoenician prince Cadmus. Metallic cadmium was discovered in 1817 by Friedrich Strohmeyer. It was used sparingly after its discovery due to the scarcity of cadmium metal.
Mars Brown has similar general properties to the pure red oxides, and it is often a mix of synthetic forms of oxides such as PY42, PR101, and PBk11. Its tinting strength is low, and it dries quickly. Hues vary based on manufacturer.
Mars Brown has excellent permanence and lightfastness, with outstanding resistance to chemicals, heat, and weather.
Mars Brown is not considered toxic, although care should be taken not to breathe its dust.
Brown Iron Oxide.
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