This standard specifies the technical requirements, test methods, inspection rules, and packaging marks for various types of seat woven pure wool, wool blended textiles, and wool interwoven products. This standard is applicable to the evaluation of the quality of various types of woven pure wool and wool mixed textiles for seats. Wool type chemical fiber products can be referred to for implementation. This standard is drafted in accordance with the rules given in GB/T1.1-2009. This standard replaces FZ/T24005-1993 "Seat Wool Fabrics". Compared with FZ/T24005-1993, the main technical changes in this standard, except for editorial modifications, are as follows: - The scope of application of the standard has been modified (see Chapter 1, 1993 Edition Chapter 1)—— Added normative references (see Chapter 2)—— Added safety assessment requirements (see 3.2)—— Revised grading regulations (see section 3.1.1 of the 1993 edition)—— Added the requirement for internal quality to be graded according to the lowest of physical indicators and color fastness (see 3.4.1)—— Revised the classification name of internal quality assessment (see Table 1 and Table 1 of the 1993 version)—— Revised the project names for some physical indicators (see Table 1 of the 1993 version)—— Revised the assessment indicators for some physical indicators (see Table 1 of the 1993 version)—— Revised the assessment indicators for fiber content (see Table 1 of the 1993 edition)—— Revised the assessment indicators for various dyeing fastness (see Table 1 of the 1993 edition)—— Added assessment indicators for color fastness to washing and dry cleaning (see Table 2)—— Modified the handling method for those with appearance defects and evaluation scores lower than second class products (see Table 3 and Table 4, Table 2 of the 1993 edition)—— Modified the sampling method for physical experiments (see 4.1.1, 4.1.2, 4.1.1 of the 1993 edition)—— Added methods for each inpidual test (see 4.2)—— Added re examination regulations for physical indicators (see 5.5)—— Revised the inspection rules for physical quality and appearance defects (see 5.5 in the 1993 version)—— Revised packaging requirements (see 6.1, 1993 version 6.1)—— Added a calculation method for width deviation (see Appendix A). This standard is proposed by the China Textile Industry Association. This standard is under the jurisdiction of the Wool Textile Sub technical Committee of the National Textile Standardization Technical Committee (SAC/TC209/SC3). The drafting unit of this standard is Shanghai Wool and Hemp Textile Science and Technology Research Institute. The main drafters of this standard are Zhu Yicheng and Ge Huiping. The previous versions of the standards replaced by this standard have been released as follows: - FZ/T24005-1993. The following referenced documents are essential for the application of this document. For dated references, only the dated version applies to this document. For undated references, the latest version (including all modification orders) applies to this document. GB/T250 Textiles - Grey Sample Card for Evaluating Color Fastness GB/T2910-2009 (All Parts) Quantitative Chemical Analysis of Textiles GB/T3920 Textiles - Tests for Color Fastness to Rubbing GB/T3922 Textiles - Test Methods for Color Fastness to Sweat GB/T3923.1 Textiles - Tensile Properties of Fabrics - Part 1: Determination of Breaking Strength and Elongation at Break - Strip Method GB/T4666 Textiles - Determination of Length and Width of Fabrics GB/T4802.1 Textiles - Determination of Pilling and Pilling Properties of Fabrics - Part 1: Circular Path Method GB/T5455 Textiles - Burning Performance Test - Drop Direct method GB/T5711 Textiles - Color fastness tests - Color fastness to dry cleaning GB/T5713 Textiles - Color fastness tests - Color fastness to water GB/T8427-2008 Textiles - Color fastness tests - Color fastness to artificial light: Xenon arc GB9994 Common moisture regain of textile materials GB/T12490-2007 Textiles - Color fastness tests - Color fastness to household and commercial washing GB18401 National basic safety technical specifications for textile products GB/T21196.2 Textiles - Determination of wear resistance of Martindale method fabrics Part 2: Determination of Sample Damage FZ/T01026 Quantitative Chemical Analysis of Textiles FZ/T01053 Identification of Fiber Content in Four Component Fiber Mixtures FZ/T20008 Determination of Unit Area Mass of Wool Fabrics FZ/T20009 Determination of Dimensional Change in Wool Fabrics FZ/T20019 Static Immersion Method FZ/T20019 Test Method for Seam Separation Degree of Wool Fabrics

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