FZ/T 51019-2021 Color master batches for polyethylene terephthalate (PET) fiber

GB/T 3979-2008 Methods for the measurement of object color GB/T 5698-2001 Glossary of color terms GB/T 6508-2015 Test method for dyeing uniformity of polyester filament yarns GB/T 7921-2008 Uniform color space and color difference formula GB/T 8170-2008 Rules of rounding off for numerical values & expression and judgement of limiting values GB/T 8424.3-2001 Textiles—Tests for color fastness—Calculation of color differences GB/T 13491-1992 General rule for packing of coatings GB/T 14190-2017 Testing methods of fiber grade polyester (PET) chip GB/T 191-2000 Packaging—Pictorial marking for handling of goods GB/T 191-2008 Packaging—Pictorial marking for handling of goods 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/T 4146-1984 Textile terms and terminology (Parts of chemical fibers) 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/T 4146.2-2017 Textiles—Man-made fibers—Part 2:Terms of products GB/T 4146.3-2011 Textiles—Man-made fibers—Part 3:Terms of inspection GB/T 5330.1-2000 Industrial wire screens and woven wire cloth—Guide to the choice of aperture size and wire diameter combinations—Part 1:Generalities GB/T 5330.1-2012 Industrial wire screens and woven wire cloth—Guide to the choice of aperture size and wire diameter combinations—Part 1:Generalities GB/T 6678-2003 General principles for sampling chemical products GB/T 191-2025 Graphical symbols marking for handling and storage of packages