It is suitable for high solids resin systems because it has minimal effect on rheological properties. Blends with organic and inorganic pigments produce a variety of very clean full-tone reds and maroons.
Heat stability is dependent on pigment concentration, polymer type and residence time.
The temperatures above are guidelines only. Bleeding characteristics Determine by suspending 0.5 g of pigment in 15 ml of solvent or chemical solution, shaking well in a test tube. Allow to stand for 5 minutes, shake well again and then filter through Whatman Filter Paper No. 50 collecting filtrate into a clean test tube. Centrifuge if any turbidity appears in the filtrate.