The "Dyed Cotton" national standard directly quotes the GB1103 "cotton fine cotton" national standard, greatly shortening the content of the standard content, and "spinning" of "dyed cotton" and its intrinsic quality index, external quality index The "white powder", "local dyeing unevenness" and "distributed dyeing unevenness" have been defined.
Cotton loose fiber dyeing has been rapidly developed in recent years. It is a very viable dyeing method, which greatly increases the high value-added and high-efficiency of dyed yarn, reduces dyeing dyes, and the dye used is 1/4 of the conventional printing and dyeing, greatly reducing the Wastewater discharge protects the ecological environment. The national standard of "dyed cotton" is formulated according to the cotton demand of the colored spinning industry, which will help improve the quality of the dyed cotton and its products and enhance the international competitiveness of China's dyed yarn products. The standard changes from a production-type standard to a trade-type standard, providing guidance for signing contractual indicators between supply and demand parties, and providing a basis for companies to formulate internal control standards.
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