These are non-polar dyes with excellent solubility and miscibility in a wide range of organic solvents as well as synthetic and natural resins. Popular solvent dyes fall in several main chemical classes; Azo dyes which are yellow to red in colour, metal complex dyes, phthalocyanine dyes and Anthraquinones which are green to blue. They are extensively used in plastics, inks, wood stains, coatings, aluminium metal foil and a range of house decorations, candles & waxes, adhesives, mineral oil and petroleum products.
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