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www.ChineseStandard.net Database: 189760 (18 Oct 2025)

FZ/T 40006-2018 English PDF

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FZ/T 40006-2018: Testing method for oil content of silk
Status: Valid

FZ/T 40006: Evolution and historical versions

Standard ID	Contents [version]	USD	STEP2	[PDF] delivered in	Standard Title (Description)	Status	PDF
FZ/T 40006-2018	English	119	Add to Cart	2 days [Need to translate]	Testing method for oil content of silk	Valid	FZ/T 40006-2018
FZ/T 40006-2011	English	239	Add to Cart	3 days [Need to translate]	Testing method for oil content of mulberry thown silk	Obsolete	FZ/T 40006-2011

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Basic data

Standard ID	FZ/T 40006-2018 (FZ/T40006-2018)
Description (Translated English)	Testing method for oil content of silk
Sector / Industry	Spinning & Textile Industry Standard (Recommended)
Classification of Chinese Standard	W40
Word Count Estimation	5,516
Date of Issue	2018-04-30
Date of Implementation	2018-09-01
Older Standard (superseded by this standard)	FZ/T 40006-2011
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 test method for the oil content of silk.

FZ/T 40006-2018: Testing method for oil content of silk

---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.
(Silk oil content test method) ICS 59.080.20 W40 People's Republic of China Textile Industry Standard Replace FZ/T 40006-2011 Silk oil content test method 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 40006-2011 "Test method for oil content of silkworm cocoon silk thread", this standard is related to FZ/T 40006-2011 The main technical content changes are as follows. --- Adjusted the standard name and scope of application (see Chapter 1, Chapter 1 of the.2011 edition); --- Adjusted the description of the test principle (see Chapter 3, Chapter 3 of the.2011 edition); --- Increased sample requirements for silk cotton and silk spinning raw materials (see Chapters 5 and 6, Chapters 5 and 6 of the.2011 edition); --- Adjusted the partial structure of the standard (see Chapter 7, 6.2 and Chapter 7 of the.2011 edition); --- Adjusted the oil content calculation formula and its physical quantity representation (see 7.1,.2011 edition 6.2); --- Adjusted the test conditions for the third sample (see 7.2.2,.2011 edition 7.2). This standard was proposed by the China National Textile and Apparel Council. This standard is under the jurisdiction of the National Silk Standardization Technical Committee (SAC/TC401). This standard was drafted. Zhejiang Silk Technology Co., Ltd., Suzhou University, Guangdong Entry-Exit Inspection and Quarantine Bureau, Hangzhou Quality and Technical Supervision Testing Institute, Zhejiang Entry-Exit Inspection and Quarantine Bureau Silk Testing Center, National Silk and Garment Product Quality Supervision and Inspection Center, Jiaxing College, Dali Silk (Zhejiang) Co., Ltd. The main drafters of this standard. Wu Dongping, Chen Wenjun, Gu Hu, Zuo Baoqi, Li Wei, Li Hui, Pan Wei, Li Ting, Huang Lixin, Ding Yuanyuan. The previous versions of the standards replaced by this standard are. ---FZ/T 40006-2011. Silk oil content test method

1 Scope

This standard specifies the test method for the oil content of silk. This standard is applicable to the determination of oil content of silk silk, silkworm silk, silk spinning and other raw materials.

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. GB/T 8170 Numerical Rounding Rules and Representation and Determination of Limit Values

3 Principle

The sample is extracted with diethyl ether in a Soxhlet extractor, and then the extraction solvent is evaporated to obtain the residual grease quality, thereby calculating the fat The percentage of dry mass to the dry mass of the sample. 4 instruments, reagents and materials 4.1 Test equipment a) Soxhlet extractor. the distillation flask is 150mL; b) Analytical balance. the graduation value is 0.1 mg; c) a constant temperature water bath; d) Constant temperature oven. can maintain the temperature (105 ± 3) ° C; e) dryer. equipped with discolored silica gel; f) Weigh the bottle. 4.2 Reagents and materials a) diethyl ether (analytical grade); b) Qualitative filter paper. WARNING - Use the solvents specified in this standard and read the MSDS.

5 sampling

5.1 Specimens shall be of the same batch number, same specification and same variety. 5.2 If the sample is for silk silk or crepe spinning, take 2 samples and weigh (3.0±0.3) g each; if the sample is silkworm silk, it will be from each Batch 2 take the wire barrel (twist), peel off the surface layer, take 2 samples, each (5.0 ± 0.5) g. The two samples taken were labeled with a serial number. 5.3 Each batch of silk cotton, silk spinning raw material or silkworm silk thread shall take one spare sample of the same quality (5.2).

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