FZ/T 50009.4-2019 English PDF

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FZ/T 50009.4-2019: Test method for bulkiness and elasticity performance of hollow polyester staple fibres
Status: Valid

FZ/T 50009.4: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
FZ/T 50009.4-2019	169	Add to Cart	3 days	Test method for bulkiness and elasticity performance of hollow polyester staple fibres	Valid
FZ/T 50009.4-2007	279	Add to Cart	3 days	Testing method for bulkiness performance of hollow polyester staple fibres	Obsolete
FZ/T 50009.4-1998	319	Add to Cart	3 days	Testing method for bulkiness property and compressive elasticity of three-dimensional crimp polyester staple fibres	Obsolete

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Basic data

Standard ID: FZ/T 50009.4-2019 (FZ/T50009.4-2019)
Description (Translated English): Test method for bulkiness and elasticity performance of hollow polyester staple fibres
Sector / Industry: Spinning & Textile Industry Standard (Recommended)
Classification of Chinese Standard: W50
Classification of International Standard: 59.060.20
Word Count Estimation: 7,786
Date of Issue: 2019
Date of Implementation: 2020-04-01
Issuing agency(ies): Ministry of Industry and Information Technology of the People's Republic of China
Summary: This standard specifies the test methods for the bulkiness and elasticity of hollow polyester staple fibers. This standard applies to hollow polyester staple fibers. Other synthetic fibers can be used by reference.

FZ/T 50009.4-2019: Test method for bulkiness and elasticity performance of hollow polyester staple fibres

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Test method for bulkiness and elasticity performance of hollow polyester staple fibres ICS 59.060.20 W50 People's Republic of China Textile Industry Standard Replace FZ/T 50009.4-2007 Test method for bulkiness and elasticity of hollow polyester staple fiber staplefibres Published on November 11,.2019 2020-04-01 Implementation Issued by the 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 replaces FZ/T 50009.4-2007 "Test method for bulkiness and fiber elasticity of hollow polyester staple fiber", and FZ/T 50009.4- Compared with.2007, the main technical changes are as follows. --- Standard name, standard text "bulk" changed to "fluffy", (see standard cover, standard text, standard cover, standard in.2007 edition) Quasi-text); --- "Fibrous elasticity" in the standard name and scope is changed to "elasticity" (see standard cover, standard name, Chapter 1,.2007 edition of the standard Cover, standard name, Chapter 1); --- The method of the.2007 version was changed to method A, and method B was added (see Chapter 7); --- Atmospheric conditions for humidity adjustment and testing were modified from (20 ± 2) ℃, 65% ± 5% to (20 ± 5) ℃, 65% ± 10% 2007 version 6.2.1); --- Humidity adjustment time changed from 16h to 2h humidity adjustment time, arbitration humidity adjustment time 16h; --- Delete Appendix A. 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 by. Sinopec Yizheng Chemical Fiber Co., Ltd., Xiamen Xianglu Chemical Fiber Co., Ltd., Ningbo Dafa Chemical Fiber Limited company, Shanghai Textile Industry Technical Supervision Institute, Shanghai Textile Group Testing Standard Co., Ltd., China Chemical Fiber Industry Association. The main drafters of this standard. Meng Haohai, He Rong, Chen Zhaoqian, Xing Xiquan, Liu Lingling, Chen Ting, Liu Shiyang. The historical version of the standard replaced by this standard is as follows. --- FZ/T 50009.4-1998, FZ/T 50009.4-2007. Test method for bulkiness and elasticity of hollow polyester staple fiber

1 Scope

This standard specifies the test methods for the bulkiness and elasticity of hollow polyester staple fibers. This standard applies to hollow polyester staple fibers, other synthetic fibers can refer to use.

2 Normative references

The following documents are essential for the application of this document. For dated references, only the dated version applies to this article Pieces. For the cited documents without date, the latest version (including all amendments) applies to this document. GB/T 4146 (all parts) textile chemical fiber GB/T 6529 Standard atmosphere for humidity control and testing of textiles GB/T 14334 Sampling method of chemical fiber short fiber

3 Terms and definitions

GB/T 4146 (all parts) and the following terms and definitions apply to this document. 3.1 Fluffy sex The ratio of the volume of a certain amount of fiber under a certain load to the volume under the removal of a specified load. 3.2 Fiber elasticity The recovery capacity of a certain amount of fiber volume after removing the specified load.

4 Principle

A certain amount of fiber is accumulated in a container with a specified bottom area, and light load (or no load) and heavy load are added, and the negative The height under load and after removing the load, the fiber bulkiness and fiber elasticity are calculated.

5 Atmosphere for humidity control and testing

--- Temperature (20 ± 5) ℃; --- Relative humidity 65% ± 10%. Humidity adjustment time 2h, arbitration humidity adjustment time 16h.

6 Sampling and sample preparation

6.1 Sampling --- Laboratory samples of spare parts are taken out as needed; --- The sampling of laboratory samples in batch samples shall be in accordance with GB/T 14334. ......

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