This standard specifies the terms and definitions, classification and identification, technical requirements, test methods, inspection rules and marking, packaging, transportation and storage requirements for high elongation and heat-resistant nylon/cotton core-spun yarn. This standard is applicable to the quality inspection of high-elongation and heat-resistant nylon/cotton core-spun yarns for cord fabric weft yarns made of nylon 66 filament and cotton sliver. The content of the core yarn nylon 66 filament is between 50% and 65%. Package yarn specifications are 22tex ~ 32tex. Other products of the same type can be used as a reference.
FZ/T 54036-2011 Referenced Document
GB/T 2828.1-2003 Sampling procedures for inspection by attributes--Part 1: Sampling schemes indexed by acceptance quality limit(AQL) for lot-by-lot inspection
GB/T 2910.7 Textiles.Quantitative chemical analysis.Part 7:Mixtures of polyamide and certain other fibres(method using formic acid)
GB/T 3291.1 Textiles--Terms of textile material properties and test--Part 1: Fibre and yarn
GB/T 3291.3 Textiles--Terms of textile material properties and test--Part 3: General
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