FZ/T 50039-2018 English PDF

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FZ/T 50039-2018: Elastane filament yarn - Test method for the cohesive performance
Status: Valid

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Basic data

Standard ID: FZ/T 50039-2018 (FZ/T50039-2018)
Description (Translated English): Elastane filament yarn - Test method for the cohesive performance
Sector / Industry: Spinning & Textile Industry Standard (Recommended)
Classification of Chinese Standard: W50
Word Count Estimation: 6,657
Date of Issue: 2018-04-30
Date of Implementation: 2018-09-01
Regulation (derived from): Ministry of Industry and Information Technology Announcement No. 23 of 2018
Issuing agency(ies): Ministry of Industry and Information Technology of the People's Republic of China
Summary: This standard specifies the test method for the cohesion performance of polyurethane (spandex) filaments.

FZ/T 50039-2018: Elastane filament yarn - Test method for the cohesive performance

---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.
(Spandex filament cohesion test method) ICS 59.060.20 W50 People's Republic of China Textile Industry Standard Test method for the cohesion performance of spandex filament Published on.2018-04-30 2018-09-01 implementation Ministry of Industry and Information Technology of the People's Republic of China People's Republic of China Industry Standard Test method for the cohesion performance of spandex filament China Standard Press Publishing First edition, June.2018

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009. This standard was proposed by the China National Textile and Apparel Council. This standard is under the jurisdiction of Shanghai Textile Industry Technical Supervision. This standard was drafted. Changle Hengshen Synthetic Fiber Technology Co., Ltd., Shanghai Textile Industry Technology Supervision Institute, Yantai Taihe New Materials Co., Ltd. Co., Ltd., Xinxiang Chemical Fiber Co., Ltd., China Chemical Fiber Industry Association. The main drafters of this standard. Jiang Tongde, You Yuanqing, Li Hongjie, Wei Huifang, Chen Lidong, Wan Lei, Gao Jie. Test method for the cohesion performance of spandex filament

1 Scope

This standard specifies the test method for the cohesion performance of polyurethane (spandex) filaments. This standard applies to spandex filaments.

2 Normative references

The following documents are indispensable for the application of this document. For dated references, only dated versions apply to this article. Pieces. For undated references, the latest edition (including all amendments) applies to this document. Textiles and textiles - Performance and test terms - Part 1. Fibres and yarns GB/T 3291.3 Textiles and textile materials - Performance and test terms - Part 3 GB/T 4146 (all parts) Textile chemical fiber GB/T 6502 chemical fiber filament sampling method

3 Terms and definitions

The terms and definitions defined in GB/T 3291.1, GB/T 3291.3, GB/T 4146 (all parts) apply to this document.

4 Principle

Under the specified conditions, the force value required to peel a single filament from the spandex tow indirectly reflects the cohesive properties of the spandex filament.

5 test device

Single fiber strength meter, with. a) Force value sensor. the division value is 0.01cN; b) Fixture. The movement distance accuracy is ±0.05mm.

6 Sampling and test conditions

6.1 Sample Preparation 6.1.1 Batch laboratory sample extraction According to GB/T 6502, take 20 packages, and take 2 samples for each volume. 6.1.2 Laboratory samples of spare parts, the total number of tests is not less than 30 times. 6.1.3 Each package shall be stripped of approximately 1 g of surface layer, and approximately 10 cm of sample shall be taken from each package. On the same volume When the sample is loaded, the first sample is taken, and the wire on the package is removed by at least 2 m, and then the second sample is taken. The sample should be as Small tension is unwound to avoid accidental stretching. 6.1.4 Maintain the sample at a temperature of (20 ± 2) °C without tension, and adjust the humidity in a standard atmosphere of humidity (65 ± 5)%. 4h and tested in a standard atmospheric environment. ......

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