FZ/T 50045-2019 English PDF

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FZ/T 50045-2019: Elastane filament yarns - Test method for cross-section area of filaments
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Basic data

Standard ID FZ/T 50045-2019 (FZ/T50045-2019)
Description (Translated English) Elastane filament yarns -- Test method for cross-section area of filaments
Sector / Industry Spinning & Textile Industry Standard (Recommended)
Classification of Chinese Standard W50
Classification of International Standard 59.060.20
Word Count Estimation 8,819
Date of Issue 2019
Date of Implementation 2019-11-01
Issuing agency(ies) Ministry of Industry and Information Technology of the People's Republic of China
Summary This standard specifies the test method for the cross-sectional area of ??spandex filaments. This standard applies to spandex filament.

Similar standards

GB/T 43015   GB/T 39026   FZ/T 50014   FZ/T 50055   FZ/T 50054   FZ/T 50048   

FZ/T 50045-2019: Elastane filament yarns - Test method for cross-section area of filaments

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Elastane filament yarns -- Test method for cross-section area of filaments ICS 59.060.20 W50 People's Republic of China Textile Industry Standard Test method for cross-sectional area of spandex filament Published on.2019-05-02 2019-11-01 implementation 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 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 Hefei Technology Co., Ltd., Zhejiang Huafeng Spandex Co., Ltd., Zhejiang Textile Testing Research Institute, Hangzhou Banglian Spandex Co., Ltd., Zhengzhou COSCO Spandex Engineering Technology Co., Ltd., Shanghai Textile Industry Technology Supervision Institute, Textileization Fiber Product Development Center. The main drafters of this standard. Jiang Tongde, You Yuanqing, Li Xiaoqing, Yang Yi, Xiao Fei, Zhou Li, Wang Lili, Li Deli. Test method for cross-sectional area of spandex filament

1 Scope

This standard specifies the test method for the cross-sectional area of 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. Fibers and yarns GB/T 3291.3 Textiles and textile materials - Performance and test terms - Part 3 GB/T 4146 (all parts) textile chemical fiber JB/T 8280.3 Slides for Microscopes

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 certain conditions, the cross-sectional area is determined based on the fiber cross-sectional image, and the arithmetic mean, standard deviation, and coefficient of variation are calculated.

5 devices and materials

5.1 Microscope measuring device The following requirements should be met. a) having a stage mechanism that moves in two directions that are perpendicular to each other; b) can provide a magnification of not less than 100 times; c) the resolution minimum spacing is 1.5 μm; d) Digital software measures area, etc. Note. Some software with depth of field overlay helps you get sharper images. 5.2 Microscope access micrometer The division value is 0.01 mm. 5.3 Fiber slicer Hastelloy slicers, or other devices that cut fibers, keep the edges sharp.
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