FZ/T 70016-2022 English PDF

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FZ/T 70016-2022: Test method for slippage of spandex at a seam in knitted fabrics
Status: Valid

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Basic data

Standard ID: FZ/T 70016-2022 (FZ/T70016-2022)
Description (Translated English): Test method for slippage of spandex at a seam in knitted fabrics
Sector / Industry: Spinning & Textile Industry Standard (Recommended)
Classification of Chinese Standard: W60
Classification of International Standard: 59.080.01
Word Count Estimation: 8,837
Date of Issue: 2022-04-08
Date of Implementation: 2022-10-01
Issuing agency(ies): Ministry of Industry and Information Technology of the People's Republic of China
Summary: This standard specifies the test method for measuring spandex slippage at the seam of knitted fabrics by repeated stretching at constant elongation and repeated stretching at constant force. This standard applies to knitted fabrics containing spandex.

FZ/T 70016-2022: Test method for slippage of spandex at a seam in knitted fabrics

---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.
Test method for slippage of spandex at a seam in knitted fabrics ICS 59.080.01 CCS W60 Textile Industry Standard of the People's Republic of China Test method for spandex slippage at seams of knitted fabrics Released on 2022-04-08 2022-10-01 Implementation Released by the Ministry of Industry and Information Technology of the People's Republic of China Published by China Standard Press

foreword

This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for Standardization Work Part 1.Structure and Drafting Rules for Standardization Documents" drafting. This document is proposed by China National Textile and Apparel Council. This document is under the jurisdiction of the Knitwear Sub-Technical Committee of the National Textile Standardization Technical Committee (SAC/TC209/SC6). This document is mainly drafted by. Tianfangbiao Testing and Certification Co., Ltd., Aimer Co., Ltd., Anhui Youyou Fashion Technology Co., Ltd. Company, Guangzhou Inspection and Testing Certification Group Co., Ltd., Lilang (China) Co., Ltd., Guangzhou Tianhai Lace Co., Ltd., Jinfa Rabbi Maternity and Infant Children's Products Co., Ltd., Tianfangbiao (Shanghai) Testing Technology Co., Ltd., Tianfangbiao (Shenzhen) Testing and Certification Co., Ltd., Guangdong De Run Textile Co., Ltd., Guangdong Institute of Testing and Analysis (China Guangzhou Analysis and Testing Center). The main drafters of this document. Han Yujie, Zhang Kejia, Shi Zhefeng, Luo Shengli, Ye Moujin, Zeng Xiazhen, Lin Ruowen, Xie Nanping, Wu Quanhong. Test method for spandex slippage at seams of knitted fabrics

1 Scope

This document specifies the test method for the determination of spandex slippage at seams of knitted fabrics by repeated stretching at constant elongation and repeated stretching at constant force. This document applies to knitted fabrics containing spandex.

2 Normative references

The contents of the following documents constitute the essential provisions of this document through normative references in the text. Among them, dated references For documents, only the version corresponding to the date is applicable to this document; for undated reference documents, the latest version (including all amendments) is applicable to this document. GB/T 6529 Standard atmosphere for textile humidity conditioning and testing GB/T 8170 Numerical rounding off rules and expression and determination of limit values

3 Terms and Definitions

The following terms and definitions apply to this document. 3.1 Under the test conditions specified in the standard, the phenomenon that occurs in the fabric due to the breakage or slippage of the spandex caused by the seam.

4 principles

Fix a specimen with a seam of specified size in the holder, and carry out constant elongation at a constant tensile rate along the direction perpendicular to the seam. Or stretch repeatedly at a fixed force. After stretching to the specified number of times, observe and record the number of spandex slippage in the sample.

5 Instruments and tools

5.1 Test device A. The instrument should perform constant elongation and repeated stretching at a constant speed, and the holder for holding the sample should prevent the sample from being stretched Jaw slippage, the length of the clamping surface shall be at least 60mm, and shall not be less than the width of the sample. The interval is 100mm adjustable, and the precision is ±1mm; The stretching distance is adjustable from 1mm to.200mm, and the precision is ±1mm; the stretching frequency is adjustable from 0 times/min to 50 times/min, and the precision is ±1 time; the number of repeated stretches is adjustable from 1 time to 99999 times. 5.2 Test device B. The instrument should perform repeated stretching at a constant speed with a constant force, and the holder for holding the sample should prevent the The length of the clamping surface shall be at least 60mm, and shall not be less than the width of the specimen. The interval is 100mm adjustable, and the precision is ±1mm; Stretching force value is adjustable from 0N to 100N, with a precision of ±0.1N; stretching frequency is adjustable from 0 times/min to 50 times/min, with a precision of ±1 time; The number of re-stretching is adjustable from 1 time to 99999 times. 5.3 Steel ruler, graduated in millimeters. 5.4 Scissors. ......

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