FZ/T 40009-2017 English PDF

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FZ/T 40009-2017: Test method for fiber length of silk floss
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Basic data

Standard ID: FZ/T 40009-2017 (FZ/T40009-2017)
Description (Translated English): Test method for fiber length of silk floss
Sector / Industry: Spinning & Textile Industry Standard (Recommended)
Classification of Chinese Standard: W42
Classification of International Standard: 59.080.10
Word Count Estimation: 7,721
Date of Issue: 2017-11-07
Date of Implementation: 2018-04-01
Quoted Standard: GB/T 6529; GB/T 8170
Regulation (derived from): Ministry of Industry and Information Technology Bulletin 2017 No. 48
Issuing agency(ies): Ministry of Industry and Information Technology of the People's Republic of China
Summary: This standard specifies the test methods for determining the length morphology of silkworm and the length of flocculent fiber. This standard applies to silk cotton raw materials and silk cotton. Other silk products can refer to the implementation.

FZ/T 40009-2017: Test method for fiber length of silk floss

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(Silk cotton fiber length test method) ICS 59.080.10 W42 People's Republic of China Textile Industry Standard Silk fiber length test method Published on.2017-11-07 Implementation of.2018-04-01 The Ministry of Industry and Information Technology of the People's Republic of China released

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009. This standard is proposed by the China Textile Industry Federation. This standard is under the jurisdiction of the National Silk Standardization Technical Committee (SAC/TC401). This standard was drafted by. Zhejiang Textile Testing Institute, Zhejiang Silk Technology Co., Ltd., Hangzhou Quality and Technical Supervision and Testing Institute, Liao Ningcai Yiye Silk Products Co., Ltd., Zhejiang Qiansi Home Textiles Co., Ltd., Suzhou Ciyun Silk Products Co., Ltd., National Silk and Clothing Product Quality Supervision and Inspection Center, Zhejiang Entry-Exit Inspection and Quarantine Bureau Silk Inspection Center, Zhejiang Silkworm Edge Home Textiles Co., Ltd., Zhejiang Yinsang Silk Home Textiles Co., Ltd., National Textile and Clothing Product Quality Supervision and Inspection Center (Tongxiang, Zhejiang). The main drafters of this standard are. Cao Liqin, Wu Dongping, Gu Hongyi, Lou Caiying, Tian Chi, Xu Lianrong, Zhou Jiayuan, Mao Minghua, Ni Xuelin, Zhu Jinmao, He Bo. Silk fiber length test method

1 Scope

This standard specifies the test methods for determining the length morphology of silkworm and the length of flocculent fiber. This standard applies to silk cotton raw materials and silk cotton. Other silk products can refer to the implementation.

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 version (including all amendments) applies to this document. GB/T 6529 Standard Atmosphere for Humidification and Testing of Textiles GB/T 8170 Representation and Determination of Numerical Rounding Rules and Limit Values

3 Principle

Visually identify, manually separate reticular filaments, reticular filaments and flocculent silk. Floss silk cotton is sampled again according to the prescribed method, combing The length length analyzer and hand-pull method are used to separate the silk components of each length required. The samples are weighed after being conditioned to calculate the length of the silk cotton. The mass content of the components.

4 Equipment and Appliances

4.1 Black fleece. The size is not less than 900mm × 750mm. 4.2 Steel ruler. 50cm, dividing value 0.5mm. 4.3 Comb-type fiber length analyzer (including fiber clamps, pressure forks, sparse combs, dense combs). 4.4 Analytical balance. The division value is 0.0001g.

5 Environmental conditions

Humidification and testing are carried out under the standard atmospheric conditions specified in GB/T 6529.

6 Identification of length morphology of silkworm

6.1 mesh cotton 6.1.1 After being stretched by plane, the silk is not easy to separate. The silk is visually distributed. If the silk fiber is cut off and there are few broken ends, the silk can be determined. Cotton is a long silk cotton. Note. Filament cotton is generally made from whole silk cocoon or silk lining as a raw material, and is made by manual or mechanical slitting process. 6.1.2 After being stretched through the plane, the silk was visually distributed and the number of silk fibers, cotton points, and broken ends was more. The length of the silk fibers was.200 mm. And above, it can be judged that the silk cotton is a mesh-like long silk cotton. Note. Mesh filaments are usually made by mechanical opening process. ......

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