FZ/T 50009.4-2007
Testing method for bulkiness performance of hollow polyester staple fibres (English Version)

Standard No.

FZ/T 50009.4-2007

Language

Chinese, Available in English version

Release Date

2007

Published By

Professional Standard - Textile

Status

Be replaced 2020-04

Replace By

FZ/T 50009.4-2019

Latest

FZ/T 50009.4-2019

Replace

FZ/T 50009.4-1998

Scope

This standard specifies the test methods for bulkiness and fiber elasticity of hollow polyester short fibers. This standard is suitable for testing the bulkiness and fiber elasticity of hollow polyester short fibers. Synthetic fibers for other uses can be used with reference.

FZ/T 50009.4-2007 Referenced Document

• GB 6529 Standard atmospheres for textiles conditioning and testing
• GB/T 14334 Sampling method for man-made staple fibres
• GB/T 3291.1 Textiles--Terms of textile material properties and test--Part 1: Fibre and yarn
• GB/T 8170 Rules of rounding off for numerical values & expression and judgement of limiting values*， 2008-07-16 Update

FZ/T 50009.4-2007 history

• 2019 FZ/T 50009.4-2019 Test method for bulkiness and elasticity of hollow polyester staple fiber
• 2007 FZ/T 50009.4-2007 Testing method for bulkiness performance of hollow polyester staple fibres
• 1998 FZ/T 50009.4-1998 Testing method for bulkiness property and compressive elasticity of three-dimensional crimp polyester staple fibres