FZ/T 54131-2021 Poly(ethylene terephthalate) elastic drawn/partially oriented air-textured yarn(EDY/POY ATY)
FZ/T 54131-2021 Poly(ethylene terephthalate) elastic drawn/partially oriented air-textured yarn(EDY/POY ATY)
Basic Information
Scope
This document specifies the terms and definitions, product identification, technical requirements, test methods, inspection rules, marking, packaging, transportation, and storage requirements for elastic polyester drawn filament/polyester preoriented filament and air-textured filament (EDY/POY ATY).
This document is applicable to elastic polyester drawn filament/polyester preoriented filament and air-textured filament (EDY/POY ATY) with a total linear density of 88.0 dtex to 330.0 dtex and a single filament linear density of 1.0 dtex to 5.0 dtex, available in natural color, semi-matte finish, and round cross-section. Other specifications and types of elastic polyester drawn filament/polyester preoriented filament and air-textured filament may be used for reference.