FZ/T 12070-2021 English PDFUS$299.00 ยท In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email. FZ/T 12070-2021: polyimide grey yarn Status: Valid
Basic dataStandard ID: FZ/T 12070-2021 (FZ/T12070-2021)Description (Translated English): polyimide grey yarn Sector / Industry: Spinning & Textile Industry Standard (Recommended) Classification of Chinese Standard: W12 Word Count Estimation: 13,199 Issuing agency(ies): Ministry of Industry and Information Technology of the People's Republic of China FZ/T 12070-2021: polyimide grey 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.(Polyimide fiber natural yarn) ICS 59.080.20 CCS W12 Textile Industry Standard of the People's Republic of China Polyimide fiber natural yarn 2022-02-01 Implementation Published by the Ministry of Industry and Information Technology of the People's Republic of China forewordThis document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for Standardization Work Part 1.Structure and Drafting Rules of Standardization Documents" drafted. Please note that some content of this document may be patented. Publication of this document Institutions do not assume responsibility for identifying patents. This document is proposed by China National Textile and Apparel Council. This document is under the jurisdiction of the Cotton Textile Sub-Technical Committee (SAC/TC209/SC10) of the National Textile Standardization Technical Committee. This document is drafted by. Changchun Gaoqi Polyimide Material Co., Ltd., Changshu Baofeng Special Fiber Co., Ltd., Zhejiang Chunjiang Light Textile Co., Ltd. Group Co., Ltd., Dezhou Hengfeng Textile Co., Ltd., Zhejiang Jiushun Textile Co., Ltd., Fuyang Hengtai Textile Co., Ltd., Jiangsu Aoshen New Materials Co., Ltd., Shanghai Textile Industry Technical Supervision Institute, China Cotton Textile Industry Association. The main drafters of this document. Zhang Guohui, Yang Cheng, Cao Lixia, Sun Boyong, Liu Yuqing, Xiang Hengjia, Yu Dian, Wang Shihua, Duan Lihui, Jing Shenquan, Dong Yonghong. Polyimide fiber natural yarn1 ScopeThis document specifies the terms and definitions, product classification, marking, requirements, test methods, inspection rules and Logo, packaging. This document applies to polyimide fiber uncolored yarns produced by ring spinning.2 Normative referencesThe contents of the following documents constitute essential provisions of this document through normative references in the text. Among them, dated citations documents, only the version corresponding to that date applies to this document; for undated references, the latest edition (including all amendments) applies to this document. GB/T 2543.1 Determination of Twist of Textile Yarn Part 1.Direct Counting Method GB/T 3292.1 Test method for evenness of textile yarns - Part 1.Capacitance method GB/T 3916 Determination of breaking strength and elongation at break of single yarn of textile package yarn (CRE method) GB/T 4146.1 Textile Chemical Fiber Part 1.Generic Name GB/T 4743-2009 Determination of normal density of hanks of textile package yarn GB/T 8170 Numerical Rounding Rules and Representation and Judgment of Limit Values FZ/T 01050-1997 Classification and inspection methods of textile yarn defects Capacitive type FZ/T 10007 Inspection rules for cotton and chemical fiber pure and blended unblemished yarns FZ/T 10008 Cotton and chemical fiber pure and blended yarn marking and packaging FZ/T 50017-2011 Test method for flame retardant properties of polyester fibers - oxygen index method3 Terms and DefinitionsThe terms and definitions defined in GB/T 4146.1, FZ/T 50017 and the following apply to this document. 3.1 thermal stability The change of the shape of the yarn under the influence of a certain temperature. 3.2 dry heat shrinkage shrinkageinhotair The difference in the length of the yarn before and after hot dry air treatment, as a percentage of the length before treatment.4 Product classification and marking4.1 Polyimide fiber unbleached yarns are classified by different linear densities. 4.2 The raw material code of polyimide fiber unbleached yarn is PI. 4.3 The raw material name (or code) of the yarn should be marked before the linear density when marking the polyimide fiber uncolored yarn. Example. The linear density is 20tex polyimide fiber uncolored yarn, which can be written as. PI20tex. ...... |
