Detail of FZ/T 73020-2012

Introduction of FZ/T 73020-2012

Codeofchina.com is in charge of this English translation. In case of any doubt about the English translation, the Chinese original shall be considered authoritative. This Standard was drafted in accordance with the regulations of GB/T 1.1- 2009. This Standard replaces FZ/T 73020-2004 "Knitted Sportswear". Compared with FZ/T 73020-2004, this Standard has the following major technical changes: ——Requirements on the fiber content below 10% were deleted (4.2.3 of 2004 edition); ——Requirements on the surface defects were detailed (see 4.4.4, 4.3.2.1 of 2004 edition); ——The following assessment items were added: drycleaning dimensional change ratio, colour fastness to dry cleaning, Colour fastness to light of textiles wetted with artificial perspiration, Colour fastness to water, Peculiar smell, Banned azo colourant, colour fastness to abbuting and cross dyeing, appearance quality after washing and colour fastness to saliva (see 4.3); ——Such indexes as distortion ratio after washing and colour fastness to light were adjusted (see 4.3.1, 4.2.1 of 2004 edition); ——Inherent quality requirements were detailed (see 4.3.5 ~ 4.3.9); ——Requirements on the symmetric part size difference were detailed (see 4.4.6, 4.3.4 of 2004 edition); ——Skirt measuring position examples (Figure 3) were deleted (4.3.5.3 of 2004 edition); ——Requirements of garment measuring positions in Table 5 were modified (see 4.4.7.4, 4.3.5.4 of 2004 edition); ——Appendix A (normative) was added (see Abbuting and Cross Dyeing Degree Test Method); ——Test for distortion ratio after washing was added (see 5.2.4). This Standard was proposed by China National Textile and Apparel Council. This Standard is under the jurisdiction of Subcommittee 6 on Knitting under the National Technical Committee 209 on Textiles of Standardization Administration of China (SAC/TC 209/SC 6). Chief drafting organizations of this Standard: National Knitted Product Quality Supervision and Testing Center, Fujian Septwolves Industry Co., Ltd., Li Ning (China) Sports Goods Co., Ltd., Xtep (China) Co., Ltd., ANTA (Xiamen) Sports Products Limited, Fujian Quanzhou Peak Sports Products Co., Ltd., Adidas Sports (China) Co., Ltd., Nike Sports (China) Co., Ltd., National Textile and Garment Quality Supervision Testing Center (GZ), Zhejiang Taizilong Garments Co., Ltd., Embry (China) Garments Co., Ltd., Shanghai Plandoo Superfine Clothing Co., Ltd., Hongdou Group, Fujian Kolumb Outdoor Equipment Co., Ltd., Shanghai Three Gun (Group) Co., Ltd., Jiangsu AB Group Co., Ltd., Jiangsu Xinxuezhu International Clothing Co., Ltd., K-boxing Warpknitting Co., Ltd., Puma (Shanghai) Co., Ltd., Zhejiang SUNJAZZ Clothing Co., Ltd., Guangdong Meibiao Dress Industry Co., Ltd., Ningbo Seduno Group Co., Ltd., Guanhua Knitting Mill Co., Ltd. Chief drafting staff of this Standard: Liu Fengrong, Guo Yali, Xu Mingming, Zhang Baochun, Li Su, Wu Peizhi, Dai Jianhui, Huang Jianping, Gao Zhifang, Zhang Yulian, Liang Min, Cao Haihui, Fang Guoping, Ge Dongying, Wu Qianping, Xue Jifeng, Wu Honglie, Wang Xiliang, Lin Dongyuan, Dong Ying, Gong Yihui, Lin Shengzhan, Guo Xiaojun, Liu Xiaoming. The previous edition of the standard replaced by this standard is as: ——FZ/T 73020-2004. Knitted Casual Wear 针织休闲服装 1 Scope This Standard specifies the size designation, requirements, test methods, judgment rules, product instructions for use, packaging, transportation and storage for knitted casual wear. This Standard is applicable to identifying the quality of knitted casual wear mainly made of woven or knitted fabrics. 2 Normative References The following documents are indispensable for the application of this standard. For dated references, only the dated edition is applicable to this document. For undated references, the latest editions of the normative documents (including all the amendments) are applicable to this document. GB/T 251 Textiles-Tests for Colour Fastness-Grey Scale for Assessing Staining GB/T 1335 (All the Parts) Size Designation of Clothes GB/T 2910 (All the Parts) Textiles - Quantitative Chemical Analysis GB/T 2912.1 Textiles-Determination of Formaldehyde-Part 1: Free and Hydrolized Formaldehyde (Water Extraction Method) GB/T 3920 Textiles-Tests for Colour Fastness-Colour Fastness to Rubbing GB/T 3921-2008 Textiles-Tests for Colour Fastness-Colour Fastness to Washing with Soap or Soap and Soda GB/T 3922 Textiles--Testing Method for Colour Fastness to Perspiration GB/T 4802.1-2008 Textiles - Determination of Fabric Propensity to Surface Fuzzing and to Pilling - Part 1: Circular Locus Method GB/T 4856 Package of Cotton Goods and Knitwear GB 5296.4 Instructions for Use of Products of Consumer Interest - Instructions for Use of Textiles and Apparel GB/T 5711 Textiles-Tests for Colour Fastness-Colour Fastness to Dry Cleaning GB/T 5713 Textiles-Tests for Colour Fastness-Colour Fastness to Water GB/T 6411 A Series of Size of Knitted Underwear GB/T 7573 Textiles--Determination of pH of the Aqueous Extract GB/T 8170 Rules of Rounding Off for Numerical Values & Expression and Judgment of Limiting Values GB/T 8427-8008 Textiles - Tests for Colour Fastness - Colour Fastness to Artificial Light: Xenon Arc Fading Lamp Test GB/T 8629-2001 Textiles-Domestic Washing and Drying Procedures FOR Textile Testing GB/T 8878 Cotton Knitted Underwear GB/T 14576 Textiles-Tests for Colour Fastness-Colour Fastness to Light of Textiles Wetted with Artificial Perspiration GB 18401 National General Safety Technical Code for Textile Products GB/T 14801 Test Method for Skewness and Bow in Woven and Knitted Fabrics GB/T 17592 Textiles - Determination of the Banned Azo Colourants GB/T 19978-2005 Textiles-Determination of Bursting Strength-Steel Ball Method GB/T 23344 Textiles - Determination of 4-aminoazobenzene FZ/T 01026 Textiles-Quantitative Chemical Analysis-Quaternary Fibre Mixtures FZ/T 01053 Textiles-Identification of Fiber Content FZ/T 01057 (All the Parts) Test Method for Identification of Textile Fibres FZ/T 01095 Textile-Test Method of Elastane Fibre Content FZ/T 01101 Textile Test Method-Fiber Content-Quantitative Physical Analysis FZ/T 80007.3 Dry Wash Resistance Test Method for Garments Used Adhesive Interlining GSB 16-1523 Knitted Fabric Fuzzing and Pilling Sample Photograph GSB 16-2159 Knitwear Standard Depth Scale (1/12) GSB 16-2500 Knitted Fabric Surface Defect Colour Photograph 3 Size Designation Size designation of knitted casual wear shall be in accordance with GB/T 6411 or GB/T 1335 (all the parts). 4 Requirements 4.1 Requirement contents Requirements are divided into two aspects: inherent quality and appearance quality. The inherent quality includes such indexes as bursting strength, washing - drycleaning dimensional change ratio, distortion ratio after washing, colour fastness to washing with soap or soap and soda, colour fastness to perspiration, colour fastness to water, colour fastness to rubbing, colour fastness to dry cleaning, colour fastness of printing (pressing) to washing with soap or soap and soda, colour fastness of printing (pressing) to rubbing, colour fastness to light, colour fastness to light of textiles wetted with artificial perspiration, pilling, formaldehyde content, pH value, peculiar smell, banned azo colourant, fiber content, abbuting and cross dyeing degree and appearance quality after washing. The appearance quality includes such indexes as surface defect, specification and size deviation, symmetric part size difference and sewing specifications. 4.2 Grading requirements 4.2.1 Quality grade of knitted casual wear is divided into the superior product, first-grade product and qualified product. 4.2.2 The quality grading of knitted casual wear: inherent quality shall be graded by batch (delivered batch) and appearance quality shall be graded by piece, and the combined quality shall be graded as the minimum grade. 4.3 Inherent quality requirements See Table 1. Table 1 Inherent Quality Requirements Item Superior product First-grade product Qualified product Bursting strength /N ≥ 250 Washing - drycleaning dimensional change ratio /% Straight and transverse -3.0~+2.0 -5.5~+2.0 -6.5~+2.0 Distortion ratio after washing /% ≤ Coat Stripe and plaid 4.0 5.0 6.0 Solid colour 5.0 6.0 7.0 Trousers 1.5 2.5 3.5 Colour fastness to washing with soap or soap and soda/grade ≥ Discolouration 4 3-4 3 Staining 4 3-4 3 Colour fastness to perspiration/grade ≥ Discolouration 4 3-4 3 Staining 4 3 3 Colour fastness to water/grade ≥ Discolouration 4 3-4 3 Staining 4 3 3 Colour fastness to rubbing/grade ≥ Dry rubbing 4 3-4 3 Wet rubbing 3-4 3(Dark colour 2) 2-3(Dark colour 2) Colour fastness to dry cleaning ≥ Discolouration 4-5 4 3-4 Staining 4-5 4 3-4 Colour fastness of printing (pressing) to washing with soap or soap and soda/grade≥ Discolouration 3-4 3 3 Staining 3-4 3 3 Colour fastness of printing (pressing) to rubbing/grade≥ Dry rubbing 3-4 3 3 Wet rubbing 3 2-3 2-3(Dark colour 2) Colour fastness to light/grade ≥ Dark colour 4-5 4 3 Light colour 4 3 3 Colour fastness to light of textiles wetted with artificial perspiration (alkaline)/grade ≥ 4-5 3-4 3-4 Pilling/grade ≥ 3-4 3 2-3 Formaldehyde content /(mg/kg) According to GB 18401 pH value Peculiar smell Banned azo colourant/(mg/kg) Fibre content (net dry content)/% According to FZ/T 01053 Abbuting and cross dyeing degree/grade 4-5 4 4 Appearance quality after washing Printing area shall be free from bubbling and shedding; thread in the embroidery area free from serious unevenness; applique area free from disconnection; attachments free from shedding and rust Note 1: stretch fabrics refer to the fabrics added with elastic fiber fabrics or leno fabrics. Note 2: colour classification shall be in accordance with GSB-2159, the colour greater than 1/12 standard depth as the dark one and the colour less than or equal to 1/12 standard depth as the light one. 4.3.1 The inherent quality of this batch of products shall be graded based on the lowest inspection result of each index. 4.3.2 As for pilling, only the front is assessed. Pilling is not assessed for sanding products, and gigging products, etc. 4.3.3 Marble bursting strength is not assessed for stretch fabrics, hollowed-out products and burnt-out products. 4.3.4 Transverse washing dimensional change ratio is not assessed for elastic fiber fabrics and that along the wrinkle direction is not assessed for wrinkled products. 4.3.5 Abbuting and cross dyeing degree is only assessed for the products abbuted with dark ones and light ones. 4.3.6 Colour fastness to light of textiles wetted with artificial perspiration is not assessed for the products not directly exposed to the skin. 4.3.7 Distortion ratio after washing is not assessed for the products with bishop sleeves or the coats and skirts with non-straight hems. 4.3.8 Colour fastness to dry cleaning is only assessed for the dry-cleanable products indicated in the instructions for use; colour fastness to washing with soap or soap and soda and colour fastness of printing (pressing) to washing with soap or soap and soda are only assessed for the washable products indicated. 4.3.9 Drycleaning dimensional change ratio is only assessed for the dry-cleanable products indicated in the instructions for use; washing dimensional change ratio is only assessed for the washable products indicated in the instructions for use.

Contents of FZ/T 73020-2012

Contents Foreword i 1 Scope 2 Normative References 3 Size Designation 4 Requirements 5 Test Methods 6 Judgment Rules 7 Product Instructions for Use, Packaging, Transportation and Storage Appendix A (Normative) Abbuting and Cross Dyeing Degree Test Method