Society of Dyers and Colourists
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The Society of Dyers and Colourists (SDC) is an international professional society, with headquarters in Bradford, United Kingdom, specialising in colour in all its manifestations. Founded in 1884, it was granted a Royal Charter of Incorporation in 1963. The SDC is a registered charity and its aims and objectives are "to advance the science of colour" in the broadest sense.
Together with the American Association of Textile Chemists and Colorists, SDC publishes the Colour Index International, which is recognized as the authoritative source on colorants. Colour Index International is used to identify the pigments and dyes used in manufcturing inks, paints, textiles, plastics, and other materials.
