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GB/T 38173-2019: Polytetrafluoroethylene staple fibre
Status: Valid
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 38173-2019 | English | 199 |
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Polytetrafluoroethylene staple fibre
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GB/T 38173-2019
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Basic data | Standard ID | GB/T 38173-2019 (GB/T38173-2019) | | Description (Translated English) | Polytetrafluoroethylene staple fibre | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | W52 | | Classification of International Standard | 59.060.20 | | Word Count Estimation | 10,183 | | Date of Issue | 2019-10-18 | | Date of Implementation | 2020-05-01 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 38173-2019: Polytetrafluoroethylene staple fibre---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.
Polytetrafluoroethylene staple fibre
ICS 59.060.20
W52
National Standards of People's Republic of China
PTFE staple fiber
Published on.2019-10-18
2020-05-01 implementation
State market supervision and administration
China National Standardization Administration issued
Foreword
This standard was drafted in accordance with the rules given in GB/T 1.1-2009.
This standard is proposed and managed by the China National Textile and Apparel Council.
This standard was drafted. Shanghai Jinyou Fluorine Materials Co., Ltd., Changzhou Xingcheng Polymer Materials Co., Ltd., Zhejiang Gertels
Environmental Special Materials Technology Co., Ltd., Ling Fluor New Material Technology Jiangsu Co., Ltd., Shanghai Lingqiao Environmental Protection Equipment Co., Ltd., Shanghai
Municipal Textile Industry Technology Supervision Institute, China Chemical Fiber Industry Association.
The main drafters of this standard. Huang Lei, Gu Liujun, He Yuechao, Jiang Xueliang, Xue Shilin, Sun Lingling, Li Hongjie, Wang Yongsheng.
PTFE staple fiber
1 Scope
This standard specifies the terms and definitions of Teflon staple fibers, product identification, technical requirements, test methods, inspection rules and signs,
Packaging, transportation and storage requirements.
This standard applies to polytetrafluoroethylene staple fibers with a micronaire value of 3.0 to 7.0.
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. General
GB/T 4146 (all parts) textile chemical fiber
GB/T 6498-2008 cotton fiber micronaire test method
GB/T 6505-2017 Chemical fiber filament heat shrinkage test method (after treatment)
GB/T 8170-2008 Numerical rounding rules and the representation and determination of limit values
GB/T 14334-2006 chemical fiber short fiber sampling method
GB/T 14344 Test method for tensile properties of chemical fiber filaments
GB/T 35748-2017 PTFE filament
3 Terms and definitions
GB/T 3291.1, GB/T 3291.3, GB/T 4146 (all parts), GB/T 6498-2008 and the following terms and conditions
The meaning applies to this document. For ease of use, some of the terms and definitions in GB/T 6498-2008 are repeated below.
3.1
Short fibers of interconnected network structures made from polytetrafluoroethylene resin.
3.2
Micronaire value
A measure of the gas permeability of a certain cotton fiber under specified conditions, expressed as a micronaire scale. The micronaire ruler is based on international agreements.
Set a series of cotton micronaire values and calibrate.
[GB/T 6498-2008, definition 3.1]
4 Product identification
4.1 Product specifications are expressed in terms of fiber cut length.
4.2 The product identification shall contain information such as specifications, product names or batch numbers, which can be effectively distinguished.
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