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FZ/T 12040-2020 English PDF

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FZ/T 12040-2020: (Polyester (nylon) filament/spandex overlapping yarn)
Status: Valid

FZ/T 12040: Evolution and historical versions

Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)StatusPDF
FZ/T 12040-2020English169 Add to Cart 3 days [Need to translate] (Polyester (nylon) filament/spandex overlapping yarn) Valid FZ/T 12040-2020
FZ/T 12040-2013English319 Add to Cart 3 days [Need to translate] Polyester(polyamide)/spandex covered yarn Obsolete FZ/T 12040-2013

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Basic data

Standard ID FZ/T 12040-2020 (FZ/T12040-2020)
Description (Translated English) (Polyester (nylon) filament/spandex overlapping yarn)
Sector / Industry Spinning & Textile Industry Standard (Recommended)
Classification of Chinese Standard W12
Word Count Estimation 7,777
Date of Issue 2020-12-09
Date of Implementation 2021-04-01
Older Standard (superseded by this standard) FZ/T 12040-2013
Regulation (derived from) Ministry of Industry and Information Technology Announcement No. 48 (2020)
Issuing agency(ies) Ministry of Industry and Information Technology of the People's Republic of China

FZ/T 12040-2020: (Polyester (nylon) filament/spandex overlapping yarn)

---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
(Polyester (nylon) filament/spandex overlapping yarn) ICS 59.080.20 W12 People's Republic of China Textile Industry Standard Replace FZ/T 12040-2013 Polyester (nylon) filament/spandex covered yarn 2020-12-09 released Implementation on 2021-04-01 Issued by the Ministry of Industry and Information Technology of the People's Republic of China

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009. This standard replaces FZ/T 12040-2013 "Polyester (Nylon)/Spandex Covered Silk Thread". Compared with FZ/T 12040-2013, the main technology The technical changes are as follows. ---The standard name is adjusted to "polyester (nylon) filament/spandex covered yarn"; ---Adjusted the standard scope, terms and definitions; ---The grading regulations increase the grade of qualified products; ---Polyester (nylon) filament/spandex twisted covered yarn has increased the assessment items of "dyeing uniformity, stiff yarn, missing (broken) spandex", and improved the break The index of variation coefficient of crack strength has been adjusted, the index of elongation at break has been adjusted, the index of "joint, tight line" has been deleted, and the "twist deviation rate" has been adjusted Change "twist" and "loose loop" to "loop wire" (see Table 1, Table 3, Table 1 and Table 2 of the.2013 edition); ---Polyester (nylon) filament/spandex air-covered yarn has increased the assessment items of "dyeing uniformity, stiffness, lack (broken) of spandex", and improved the break The evaluation requirements for the coefficient of variation of the breaking strength and the coefficient of variation of the elongation at break, the "joint" index is deleted, and the "network point" is changed to "network point". "Degree" and "loose ring" are changed to "loop wire" (see Table 2 and Table 3, Table 1 and Table 2 of the.2013 edition); ---Inspection rules added "inspection type" and "inspection item", and stipulated the type inspection of polyester (nylon) filament/spandex covered yarn And factory inspection index items (see 7.1, 7.2). This standard was proposed by the China National Textile and Apparel Council. This standard is under the jurisdiction of the Cotton Textile Subcommittee of the National Textile Standardization Technical Committee (SAC/TC209/SC10). Drafting organizations of this standard. Tongkun Group Zhejiang Hengsheng Chemical Fiber Co., Ltd., Zhangjiagang Xiangmei Textile Co., Ltd., Zhejiang Yate New Materials Co., Ltd., Anhui Huamao Textile Co., Ltd., Anhui Fiber Inspection Bureau, Sichuan Runhou Special Fiber Co., Ltd., Yiwu City Five Zhou New Material Technology Co., Ltd., Zhejiang Huafeng Spandex Co., Ltd., Zhejiang Huafu Mélange Co., Ltd., Jiangsu Xinguang Textile Co., Ltd., Huasan 542 Textile Co., Ltd., Zhejiang Hengchuang Advanced Functional Fiber Innovation Center Co., Ltd., China Cotton Textile Industry Association, Shanghai Textile Co., Ltd. Textile Industry Technical Supervision Office. The main drafters of this standard. Xu Jinxiang, Sun Yanlin, Sheng Zhongqin, Zhang Lanlan, Ye Wei, Chen Linmao, He Wenwei, Luo Xiaojun, Li Xiaoqing, Ying Shenghua, Wang Xiaoke, Deng Xiaohong, Liu Yanli, Jing Shenquan, Duan Lihui. The previous versions of the standard replaced by this standard are as follows. ---FZ/T 12040-2013. Polyester (nylon) filament/spandex covered yarn

1 Scope

This standard specifies the terms and definitions, product classification, marking, requirements, test methods, and inspection regulations for polyester (nylon) filament/spandex covered yarn Rules, signs, packaging, transportation and storage. This standard applies to covered yarns made of natural polyester (nylon) filaments and spandex as raw materials and combined through processing. Colored polyester (nylon (Lon) filament and spandex covered yarn can be used as reference.

2 Normative references

The following documents are indispensable for the application of this document. For dated reference documents, only the dated version applies to this document. For undated references, the latest version is applicable to this document. GB/T 2543.1 Determination of yarn twist in textiles Part 1.Direct counting method GB/T 3291.1 Terminology for performance and testing of textile materials-Part 1.Fibers and yarns GB/T 3291.3 Terminology for performance and testing of textile materials-Part 3.General GB/T 4146 (all parts) Textile terms (chemical fiber part) GB/T 6502 Sampling method for chemical fiber filament GB/T 6508 Test Method for Dyeing Uniformity of Polyester Filament GB/T 8693 Labeling of textile yarn GB/T 14343 Test method for linear density of chemical fiber filament GB/T 14344 Test method for tensile properties of chemical fiber filament GB/T 29862 Labeling of textile fiber content FZ/T 01095 Test method for fiber content of textile spandex products FZ/T 50001-2016 Synthetic fiber filament network test method FZ/T 50008 Nylon filament dyeing uniformity test method

3 Terms and definitions

The following terms and definitions defined in GB/T 3291.1, GB/T 3291.3 and GB/T 4146 (all parts) apply to this document. 3.1 Polyester (polyamide) filament/spandexcoretwistedyarn Covered yarn made of spandex and polyester (nylon) filaments combined and twisted. 3.2 Polyester (polyamide) filament/spandexaircovered yarn Under the action of compressed air, spandex and polyester (nylon) filaments form a covered yarn that is entangled with each other and presents a consolidation point.

4 Product classification and identification

4.1 Product Classification According to different processing methods, polyester (nylon) filament/spandex covered yarn is divided into twisted covered yarn and air covered yarn.

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