This standard specifies the terms and definitions, classification and identification, technical requirements, test methods, inspection rules and marking, packaging, transportation and storage requirements for recycled colored lacquer fiber staple fiber products. This standard is applicable to recycled colored polyester staple fibers with a linear density of 0.90 dtex to 22.2 dtex. Other types of recycled colored polyester staple fibers can be used as a reference.
FZ/T 52025-2012 Referenced Document
FZ/T 50002 Testing method for shape factor of man-made fiber*, 2013-10-17 Update
FZ/T 50004 Testing method for shrinkage in hot airof polyester staple fibers
FZ/T 50009.1 Testing method for linear density of three-dimensional crimp polyester staple fibres.Measure at length of single fibres
FZ/T 50009.2 Testing method for average length of three-dimensional crimp polyester staple fibres.Measure at length of single fibres
FZ/T 50009.3 Testing method for crimping performance of hollow polyester staple fibres