These are pigments with condensed aromatic or heterocyclic ring systems. Chemically, there are several subclasses in the category.
|
|
Most of them have good light and weather fastness combined with good solvent and migration resistance.
Polycyclic pigments (non-azo pigments)
28 ноября, 2015 
Pokraskin 
Опубликовано в рубрике Understanding. Coatings Raw Materials