The occurrences of bleaching or darkening in the beginnings of its use were due to impurities.
Cadmium red light alternative.
Intense pigments in hues of red yellow and.
Cadmium has been used as a weathering light and heat stabilizer primarily in pvc plastic formulations.
The variations are solid solutions of selenium sulfide in cadmium sulfide.
The pyrrole family of pigments is currently represented on the golden palette by three colors pyrrole orange pyrrole red light and pyrrole red.
Cadmium red contains between 15 to 30 and more selenium.
Cadmium red is cadmium sulfoselenide cd s se.
Alternatives for cd stabilizers include barium zinc calcium zinc antimony organotin and organic compound stabilizers.
I like that although its hue is very similar to cadmium red light which makes it feel familiar to me its chroma is actually a bit higher and continues to hold up well with the addition of white paint at least as well as the cadmium red i ve been using.
These are strong tinting high chroma colors with excellent lightfastness.
In the united states use of cd bearing stabilizers has decreased since 1990.
It is stable as a pure pigment.
There s a new cadmium free paint alternative for artists.
Alizarin crimson mixed with ultramarine blue will give a strong clear purple below left because both colours have a touch of red and blue in them and neither contains yellow to make it muddy.