BASEL – Members of the Ecological and Toxicological Association of Dyes and Organic Pigments Manufacturers (ETAD) will have to follow strict dye impurity guidelines after the international trade organisation moved to strengthen its Code of Ethics at its recent General Assembly. ETAD’s updated Code of Ethics requires that all dyes sold by members for consumer applications will have to comply with limits for heavy metals, potential aromatic amines from reductive cleavage and other organic impurities.
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