This standard specifies the terminology, classification, requirements, test methods, inspection rules, marking and packaging of cotton-colored spinning products for knitting. This standard is suitable for identifying the quality of cotton-colored yarn for ring-spun machine knitting. This standard is not suitable for identifying the quality of special-purpose colored yarns and the quality of natural colored cotton-colored yarns.
GB/T 2543.2-2001 Textiles--Determination of twist in yarn Part 2: Untwist-retwist method
GB/T 3292 Textiles--Testing method for unevenness of textile strands--Using capacitance testing equipment
GB/T 3916 Textiles.Yarns from packages.Determination of single-end breaking force and elongation at break using constant rate of extension (CRE) tester*, 2013-10-10 Update