Testing of Natural Color Yarn Blended with Combed Cotton and Silkworm Silk Spinning Materials

Preface FZ/T 12055-2017 Details of Natural Color Yarn Blended with Fine Carding Cotton and Silkworm Silk Spinning Raw Materials FZ/T 12055-2017.1 Scope FZ/T 12055 specifies the classification of Natural Color Yarn Blended with Fine Carding Cotton and Silkworm Net Spinning Raw Materials. Marking, requirements, testing methods. Inspection rules and markings, packaging. FZ/T 12055 is suitable for blending natural colored yarn made from combed cotton and silkworm weaving raw materials with a content of 5% -30%, which are processed and spun by ring spinning. The following normative references are essential for the application of this document. For all dated references, only the version marked with the H period applies to this document. Any undated reference documents. The latest version (including all modifications) is applicable to this document, GB/T 398-2008 Cotton Yarn GB/T 2910.4 Quantitative Chemical Analysis of Textiles Part 4: Mixtures of Certain Protein Fibers and Other Fibers (Hypochlorite Method) GB/T 3292.1 Textiles - Test Method for Yarn Unevenness Part 1: Capacitance Method. GB/T3916 Textiles - Determination of Breaking Strength and Breaking Elongation of Single Stir fried Yarn in Rolls (CRE Method) - GB/T 4743-2009 Textiles - Determination of Linear Density of Yarn in Rolls (FZ/T 01050) - Analysis and Inspection of Yarn Defects in Textiles - Capacitive FZ/T 10007 Cotton and Chemical Fiber Pure Spinning. Inspection Rules for Blended Natural Yarn FZ/T 10008 Cotton and Chemical Fiber Pure Spinning, Blended Natural Yarn Marking and Packaging 3 Product Classification and Marking 3.1 Combed Cotton and Sangyi Silk Spinning Raw Materials Blended Natural Yarn Products are classified according to different blending ratios and linear densities. 3.2 Raw material code for blending natural colored yarn with combed cotton and mulberry blended silk: C. Cotton is C. Sanghuo silk spinning raw material is S. Combed spinning process code is J.3.3 Production process code for stir frying line is indicated before online density. Raw material code and blending ratio. Example: Blending natural colored yarn with fine plant pressing and mulberry silkworm group spinning raw materials with a linear density of 18.5 tex. The content of cypress is 80%. The content of mulberry silk spinning raw materials is 20%, which should be written as follows: JC/8 80/20 18.5 tons. Requirement 4.1: The technical requirements for blending natural colored yarn with combed cotton and mulberry silk spinning raw materials include linear density deviation rate. Linear density variation system. Single yarn breaking strength and coefficient of variation of single yarn breaking strength. Coefficient of variation of evenness of stripes. Kilometers of neps+ Ten thousand meters of yarn defects. Eight indicators for fiber content deviation