FZ/T 12026-2011 Viscose/polyamide composite yarns

GB/T 3921-2008 Textiles—Tests for colour fastness—Colour fastness to washing with soap or soap and soda GB/T 4743-2009 Textiles—Yarn from packages—Determination of linear density(mass per unit length)by the skein method GB/T 6505-2008 Testing method for thermal shrinkage of man-made filament yarns FZ/T 01053-2007 Textiles—Identification of fiber content GB 250-1995 Gray scale for assessing change in colour GB/T 250-2008 Textiles—Tests for colour fastness—Grey scale for assessing change in colour GB 251-1995 Gray scale for assessing staining GB/T 251-2008 Textiles—Tests for colour fastness—Grey scale for assessing staining GB/T 2543.1-2001 Textiles—Determination of twist in yarn—Part 1:Direct counting method GB/T 2543.1-2015 Textiles—Determination of twist in yarns—Part 1:Direct counting method GB/T 2910.7-2009 Textiles—Quantitative chemical analysis—Part 7:Mixtures of polyamide and certain other fibres(method using formic acid) GB/T 3291.1-1997 Textiles—Terms of textiles material properties and test—Part 1:Fibre and yarn GB/T 3291.3-1997 Textiles—Terms of textiles material properties and test—Part 3:General GB/T 3916-1997 Textiles—Yarns from packages—Determination of single-end breaking force and elongation at break GB/T 3916-2013 Textiles—Yarns from packages—Determination of single-end breaking force and elongation at break using constant rate of extension(CRE) tester GB/T 4146.1-2009 Textiles—Man-made fibres—Part 1:Generic names GB/T 4146.1-2020 Textiles—Man-made fibres—Part 1:Generic names GB 18401-2003 National general safety technical code for textile products GB 18401-2010 National general safety technical code for textile products GB/T 2910.7-2025 Textiles—Quantitative chemical analysis—Part 7:Mixtures of polyamide with certain other fibers(method using formic acid)