This standard specifies the terms and definitions of special-shaped polyester pre-oriented yarn, product identification, technical requirements, test methods, inspection rules, marking, packaging, transportation and storage requirements. This standard is applicable to polyester pre-oriented yarns with a total density of 30 dtex to 1 000 dtex, special-shaped cross-sections (leaf-shaped, flat, hollow, cross), natural color, glossy and semi-matte special-shaped polyester pre-oriented yarns. Other types of special-shaped polyester pre-oriented yarns can be referred to use.
FZ/T 54045-2012 Referenced Document
FZ/T 50002 Testing method for shape factor of man-made fiber*, 2013-10-17 Update
GB/T 14190 Testing methods of fiber grade polyester(PET)chip*, 2017-12-29 Update
GB/T 14343 Testing method for linear density of man-made filament yarns
GB/T 14344 Man-made fibre—Test method for tensile properties of filament yarns*, 2022-04-15 Update
GB/T 14346 Man-made fiber.Testing method for unevenness of filament yarns.Capacitance method*, 2015-09-11 Update
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 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