|
||||||||||||||||||||||||||||||||
FZ/T 50045-2019 English PDFUS$189.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email. FZ/T 50045-2019: Elastane filament yarns - Test method for cross-section area of filaments Status: Valid
Basic data
FZ/T 50045-2019: Elastane filament yarns - Test method for cross-section area of filaments---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.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 ForewordThis 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 filament1 ScopeThis standard specifies the test method for the cross-sectional area of spandex filaments. This standard applies to spandex filaments.2 Normative referencesThe 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 Microscopes3 Terms and definitionsThe terms and definitions defined in GB/T 3291.1, GB/T 3291.3, GB/T 4146 (all parts) apply to this document.4 PrincipleUnder 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 materials5.1 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. ...... |