FZ/T 52019-2018 English PDF

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FZ/T 52019-2018: Lyocell staple fiber
Status: Valid

FZ/T 52019: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
FZ/T 52019-2018	279	Add to Cart	3 days	Lyocell staple fiber	Valid
FZ/T 52019-2011	359	Add to Cart	3 days	Lyocell staple fibre	Obsolete

Similar standards

GB/T 42823   GB/T 43014   FZ/T 54007   FZ/T 52018   FZ/T 52010   FZ/T 52028   

Basic data

Standard ID: FZ/T 52019-2018 (FZ/T52019-2018)
Description (Translated English): Lyocell staple fiber
Sector / Industry: Spinning & Textile Industry Standard (Recommended)
Classification of Chinese Standard: W52
Word Count Estimation: 12,118
Date of Issue: 2018-04-30
Date of Implementation: 2018-09-01
Older Standard (superseded by this standard): FZ/T 52019-2011
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 terms and definitions, classification and identification of lyocell staple fibers, technical requirements, test methods, inspection rules and marking, packaging, transportation and storage requirements.

FZ/T 52019-2018: Lyocell staple fiber

---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.
(Lyocell staple fiber) ICS 59.060.20 W52 People's Republic of China Textile Industry Standard Replace FZ/T 52019-2011 Lysell staple fiber Published on.2018-04-30 2018-09-01 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 replaces FZ/T 52019-2011 "Lysel Short Fiber", compared with FZ/T 52019-2011, except editorial modification The technical changes are as follows. --- Expanded the scope of application of the standard (see Chapter 1, Chapter 1 of the.2011 edition); --- Revised the normative reference documents according to the latest release of the standard (see Chapter 2, Chapter 2 of the.2011 edition); --- "Terminology and definitions" section added "fibrillation of lyocell staple fiber", "crosslinked lyocell staple fiber", "wet wear frequency definition (See Chapter 3, Chapter 3 of the.2011 edition); ---In the "Classification and Labeling" of the product, "the product is classified into ordinary type and cross-linked short fiber according to the degree of fibrillation. GL means; cross-linking type means "content" (see Chapter 4, Chapter 4,.2011); ---Modified "Technical Requirements" (see Chapter 5, Chapter 5 of the.2011 edition); --- Increased the number of "wet wear times" assessment items and cross-linking indicator values (see Chapter 5, Chapter 5 of the.2011 edition); --- Increased the "wet wear times" test method (see 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. Baoding Swan New Fiber Manufacturing Co., Ltd., Shanghai Leo Fiber Enterprise Development Co., Ltd., Shandong Yingli Shi Industry Co., Ltd., China Textile Institute Green Fiber Co., Ltd., Tangshan Sanyou Group Xingda Chemical Fiber Co., Ltd., China Textile Science Research Institute, Textile Fiber Product Development Center, Shanghai Textile Industry Technology Supervision Institute. The main drafters of this standard. Du Shuxin, Yan Lina, Wang Xin, Zheng Shirui, Xu Jigang, Mo Zhigao, Zheng Yucheng, Zhang Zikai, Li Hongjie. The previous versions of the standards replaced by this standard are. ---FZ/T 52019-2011. Lysell staple fiber

1 Scope

This standard specifies the classification and marking, technical requirements, test methods, inspection rules and signs, packaging, transportation and storage of lyocell staple fibers. Requirements. This standard is applicable to lyocell staple fibers with a fiber density of 0.90 dtex to 6.70 dtex, which are produced from fiber-grade wood pulp. His type of lyocell fiber can be used as reference.

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 6503 chemical fiber moisture regain test method GB/T 6504 chemical fiber oil content test method GB/T 6529 Standard atmosphere for textile conditioning and testing GB/T 8170-2008 Numerical rounding rules and the representation and determination of limit values GB/T 14334 chemical fiber short fiber sampling method GB/T 14335 chemical fiber short fiber linear density test method GB/T 14336 chemical fiber short fiber length test method GB/T 14337 Test method for tensile properties of chemical fiber staple fibers GB/T 14339 chemical fiber short fiber defect test method FZ/T 50013 Cellulose Chemical Fiber Whiteness Test Method Blue Diffuse Reflectance Factor Method

3 Terms and definitions

The following terms and definitions, as defined in GB/T 3291.1, GB/T 3291.3 and GB/T 4146 (all parts), apply to this document. 3.1 Fibrillated lyocelstaplefiberfibrilation of lyocell staple fiber Under the action of wet mechanical action, the lyocell staple fiber cortex appears to be cleft. 3.2 Cross-linked lyocell staple cross-linkedlyocelstaplefiber Modified by a crosslinking agent and an additive to crosslink the fiber molecule and the crosslinking agent molecule to reduce the fibrillation tendency of the lyocell fiber. 3.3 Wet wear number wetabrasionnumber Under certain conditions, the fiber rubs on the friction shaft to the number of rotations of the friction shaft at the time of fracture. ......

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