It is a finely crystalline compound of the Co-Al oxide system with a spinel structure.
The pigment has a clear blue color tone with a reddish flame, has exceptional qualities of fastness to light and bad weather, to cement and lime, with high resistance to chemical agents and heat.
It has good coverage, excellent dispersibility, excellent yield in cuts with white and great brilliance. Suitable for the formulation of any type of paints and varnishes, particularly for exteriors and in light tones. Suitable for screen printing inks that are resistant to light and weather.
Widely used in fine plasters, in combination with white cement for various types of products. Excellently used in plastic as they are absolutely resistant to migration and heat.
- Fields of use Fresco, tempera, oil, encaustic, plastic materials
- Composition: CoAl2O4
- C.Index: P.Bl.28
- Density: 0.8 g/lt
- Thermal stability: 800°C approx.
- Lightfastness: 8 (1/8 scale)
- Stability to acids and alkalis: 5 (scale 1/5)
- Solvent stability: 5 (1/5 scale)
- Heat stability: 800°C