GB/T 1798-2008 English PDF

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 1798-2008	115	Add to Cart	Auto, < 3 mins	Method of testing for raw silk	Valid
GB/T 1798-2001	639	Add to Cart	5 days	Method of testing for raw silk	Obsolete
GB 1798-1986	319	Add to Cart	3 days	Inspection regulations of raw silk	Obsolete

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Basic data

Standard ID: GB/T 1798-2008 (GB/T1798-2008)
Description (Translated English): Method of testing for raw silk
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: W40
Classification of International Standard: 59.060.10
Word Count Estimation: 18,134
Date of Issue: 2008-08-06
Date of Implementation: 2009-06-01
Older Standard (superseded by this standard): GB/T 1798-2001
Quoted Standard: GB/T 3916-1997; GB/T 6529; GB/T 8170; GB/T 9995
Regulation (derived from): National Standard Approval Announcement 2008 No.12 (Total No.125)
Issuing agency(ies): General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China
Summary: This standard specifies the weight of twisted silk dress and cartridges, quality test methods. This standard applies to the nominal fineness 69 den and less raw silk.

GB/T 1798-2008: Method of testing for raw 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.
Methoden of testing for raw silk ICS 59.060.10 W40 National Standards of People's Republic of China Replacing GB/T 1798-2001 Silk Test Method Posted 2008-08-06 2009-06-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

This standard replaces GB/T 1798-2001 "Test Method for silk." This standard compared with GB/T 1798-2001 The main changes are as follows. --- Modified packet inspection prescribed weight like silk; --- Modify the calculation method of the whole batch of yarn moisture regain; --- Value adjustment to the starting point of the cleaning defect long knot; --- Increased the short section of the assessment of the defect in the clean; --- Test method for increasing the rate of gum containing raw silk. The Standard Appendix A, Appendix B, Appendix C is a normative appendix. The standard proposed by China Textile Industry Association. This standard by the National Standardization Technical Committee silk textile branch. This standard is drafted by. Zhejiang Cathaya International Co., Ltd., Zhejiang Silk Technology Co., Ltd., Zhejiang Entry-Exit Inspection and Quarantine Bureau, China silk trading market, Anhui source licensing Kong (Holdings) Co., Ltd., Xin edge of Silk Group Co., Ltd., Rizhao Tong Silk Group Co., Ltd., Guangdong Silk Textile Group Co., Ltd. The main drafters of this standard. Bian fortunate children, Zhou Ying, Xu Jin, Lu Xing, Chen Jinming, Wang Haitao, Qian Ying Hua Xia security, Chennan Sheng, Xu Qin, Wei Junling. This standard replaces the standards previously issued as follows. --- GB 1798-1979, GB 1798-1986, GB/T 1798-2001. --- GB n72-1979, GB n72-1986 (FZ/T 40004-1999). Silk Test Method

1 Scope

This standard specifies the weight, quality and test methods for loading cartridges twist of raw silk. This standard applies to the following nominal fineness of 69den and raw silk.

2 Normative references

The following documents contain provisions which, through reference in this standard and become the standard terms. For dated references, subsequent Amendments (not including errata content) or revisions do not apply to this standard, however, encourage the parties to the agreement are based on research Whether the latest versions of these documents. For undated reference documents, the latest versions apply to this standard. GB/T 3916-1997 Textiles - Determination of yarn single yarn breaking strength and elongation at break GB/T 6529 Textiles Standard conditioning and testing atmosphere GB/T 8170 numerical rounding rules GB/T 9995 Textile material moisture content and moisture determination oven drying method

3 Batch and sampling

3.1 Batch Silk mouth in the same village, the same technology, the same model, the same specifications of products, each batch of 20 boxes, each containing about 30kg, or batch 10, each of about 60kg. Less than 20 cases or 10 based upon the number of calculations. 3.2 Sampling Method Raw silk should be the subject of visual inspection, while the weight of extraction and quality testing of representative samples. Each wire cutter installed to limit pumping 1 cutter, tube Mounted wire 1 carton limit pumping tube. 3.3 Number of samples 3.3.1 Weight test sample 3.3.1.1 twisted wire loaded 16 boxes to 20 boxes (8 ~ 10) for the number of persons, each consisting of four pumping, each twist 2 of 8 twist. Wherein the wire edge 3 pumping twist, twist the corners sauce 1, 4 Central pumping twist. 3.3.1.2 mounted wire cutter 15 cases (7) and the following batch, each batch of sauce 2 copies, each twist 2 of 4 twisted. Wherein the wire cutter edge sauce 2, in Section 2 pumping twist. 3.3.1.3 barreled wire batch pumping 4 parts, each cylinder 1 of 4 cylinder. Wherein the wire tube, each of the lower pumping barrel 1, 2 middle pumping tube. 3.3.2 Quality inspection sample 3.3.2.1 mounted wire cutter wire from each batch of the edges, the corner twist three parts were drawn 12, 9 twisted, twisted 4 of 25 twist. 3.3.2.2 barreled wire batch extraction tube 20 from the wire box randomly.

4 test methods

4.1 weight inspection 4.1.1 Equipment a) Scales. division value ≤0.05kg. b) balance. dividing the value ≤0.01g. c) with the balance of the oven. Balance. division value ≤0.01g. ......

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