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Coatings Ingredients
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Coatings Ingredients
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Heliogen® Green L 8731

Technical Datasheet | Supplied by BASF
Cu phthalocyanine green organic pigment. Owing to their chemical structure, phthalocyanine pigments have a very non-polar surface. Thus in most binder systems only weak interactions take place between the pigment and the system’s other components. It is therefore extremely difficult to stabilize dispersions of phthalocyanine pigments; in this respect these are among the most difficult of all pigments to apply in coatings. This becomes apparent in rub-out effects, differences in the color strength obtained by different methods of application (e. g. spraying and curtain coating), and separation of the liquid paints during storage. The flow properties of pigmented systems are influenced by the size, size distribution and shape of the pigment particles and by the nature of the finish. Generally speaking, flocculation-resistant pigments flow better than the corresponding untreated pigments. Since it exhibits a very high standard in all their fastness properties, they can be used in practically all types of coatings. Owing to the hydrophobic nature of copper phthalocyanine particle surfaces, however, weathered films may also release particles of copper phthalocyanine pigment. This effect is often due to low binder concentration and high content of inorganic extenders, especially in emulsion paints. Also used in powder coatings and for flop effect in metallic as well as mica coatings.
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Product Type
Color Pigments & Dyes > Organic Pigments
Chemical Composition
Cu phthalocyanine
Physical Form
Powder
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