Fine pigments, finely ground and evenly dispersed, produce vibrant washes and subtle gradations. Tubes. Also sets with brush, mixing tray, and watercolor guide. Also Sketchbox set.
Color Swatch created using heavy application/diluted application and was applied on cold press watercolor paper (150 lb) material.
This Hansa Yellow ranges from reddish yellow to greenish yellow with temperature shifts from cool to warm hues. It has good tinting strength and average to slow drying time.
This Hansa Yellow has excellent lightfastness, particularly in the darker shades.
Hansa Yellow has no significant acute hazards, though its chronic hazards have not been well studied.
Hansa Yellows were first made in Germany just before WW1 from a series of synthetic dyestuffs called Pigment Yellow. They were intended to be a synthetic replacement for Cadmium Yellow.
Arylide, Arylide Yellow, Azo, Brilliant Yellow, Monoazo, Monolite Yellow, Permanent Yellow.
organic synthetic, quinoline, vat
Quinophthalone Yellow is a transparent pigment classified as a vat pigment. It has high tinting strength and an average drying time.
Quinophthalone Yellow has excellent lightfastness.
Quinophthalone Yellow is not considered toxic.
Benzimidazolone Orange is a staining, yellowish orange pigment that can become dull in tints. It has an average drying time, and it loses some of its intensity as it dries. The yellowish orange varieties are more transparent.
Benzimidazolone Orange has excellent lightfastness and outstanding heat and solvent stability for a monoazo pigment.
Benzimidazolone Orange is not considered toxic.
The benzimidazolone group of pigments was developed and patented in 1960 by Hoechst A.G., a German chemical manufacturer that was a forerunner of the pharmaceutical company Aventis. Use of benzimidazolone pigments in the auto industry, especially Benzimidazolone Orange, became common in the 1980s because they were common replacements for lead chromate pigments, which were phased out during this period.
Permanent Orange, Benzimida Orange
® Grumbacher is a registered trademark of Chartpak.