American Association of Textile Chemists and Colorists (AATCC)

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The American Association of Textile Chemists and Colorists (AATCC) is a nonprofit professional organization that has served the global textile industry since 1921. With thousands of individual and corporate members worldwide, AATCC develops and maintains standardized test methods and procedures for evaluating textile materials, with particular focus on colorfastness, wet testing, and chemical properties of textiles. The organization provides comprehensive technical resources including quality control materials, educational programs, professional development opportunities, and industry publications. AATCC works closely with international standards bodies including ASTM International and ISO, serving as co-administrator of the Technical Advisory Group representing the US in ISO textile activities. The association publishes the Colour Index jointly with SDC Enterprises, which serves as the definitive guide for essential colorants and dyes. AATCC offers various educational services including test method training programs, workshops, conferences, and online learning resources. The organization maintains exchange membership relationships with numerous textile organizations globally and hosts events such as the annual International Summit and Coloration Conference. Through its standards development work, technical publications, and professional networking opportunities, AATCC supports textile manufacturers, testing laboratories, and industry professionals in maintaining quality standards and advancing textile technology.

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