SN/T 0771-2011 English PDF

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SN/T 0771-2011: Testing methods for export thrown silk in above high twists in cones
Status: Valid

SN/T 0771: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
SN/T 0771-2011	159	Add to Cart	3 days	Testing methods for export thrown silk in above high twists in cones	Valid
SN/T 0771-1999	279	Add to Cart	3 days	Testing methods for export thrown silk of warp and weft in above 800 twists	Obsolete

Similar standards

FZ/T 50015   SN/T 4831   SN/T 3981.5   SN/T 3981.10   

Basic data

Standard ID: SN/T 0771-2011 (SN/T0771-2011)
Description (Translated English): Testing methods for export thrown silk in above high twists in cones
Sector / Industry: Commodity Inspection Standard (Recommended)
Classification of Chinese Standard: W40
Word Count Estimation: 6,647
Date of Issue: 2011-05-31
Date of Implementation: 2011-12-01
Older Standard (superseded by this standard): SN/T 0771-1999
Quoted Standard: GB/T 6529
Regulation (derived from): National-Quality-Inspection-accreditation (2011) 291
Issuing agency(ies): General Administration of Customs
Summary: This standard specifies the export of more than 1500 cartridges twist and twist silkworm silk twisting test conditions, the results of the calculation of the sample extraction and so on. This standard applies to two-9, and its nominal fineness of silk 33D (37dtex) and less than 1500 non- twist and twist scouring test cartridges twisting wire.

SN/T 0771-2011: Testing methods for export thrown silk in above high twists in cones

---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.
Testing methods for export thrown silk in above high twists in cones People's Republic of China Entry-Exit Inspection and Quarantine Standards Instead of the SN/T 0771-1999 The export of high-twist cartridges Silkworm silk twist twisting Test Method Issued on. 2011-05-31 2011-12-01 implementation People's Republic of China The State Administration of Quality Supervision, Inspection and Quarantine released

Foreword

This standard was drafted in accordance with GB/T 1.1-2009 given rules. Instead of the standard SN/T 0771-1999 "export more than 800 silkworm twist and warp and weft yarn twisting twist test method." This standard compared with SN/T 0771-1999 The main changes are as follows. --- The standard name "export more than 800 silkworm twist and warp and weft yarn twisting twist test method" to "the export of high-twist twisting silkworm silk cartridges Twist test method "; --- This standard applies to twist and twist of 1,500 or more cartridges twisting silkworm silk; --- According to GB/T 1.1-2009 requirements of the standard format to be modified; --- Normative references added two reference standards. This standard is proposed and managed by the National Certification and Accreditation Administration Committee. This standard was drafted. People's Republic of China Guangdong CIQ. The main drafters of this standard. Li Hui, Deng Zhiguang, Li Chun, Su Xiaojuan, Li Miaoping, Chen Wei, Sun Weihua. This standard replaces the standards previously issued as follows. --- SN/T 0771-1999. The export of high-twist cartridges Silkworm silk twist twisting Test Method

1 Scope

This standard specifies the export of more than 1500 cartridges and twist twisting silkworm silk twist test conditions, and results of the calculation of the sample extract and the like. This standard applies to 2 ~ 9, and its nominal fineness of silk 33D (37dtex) and below 1500 twist and more non-scouring cartridges Twisting wire twist test.

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein Member. For undated references, the latest edition (including any amendments) applies to this document. GB/T 6529 Textiles Standard conditioning and testing atmosphere

3 Terms and Definitions

The following terms and definitions apply to this document. 3.1 Nominal fineness nominaldenierofsilk According to customer requirements, the production process design desired fineness value in production can be achieved. 3.2 Nominal twist nominaltwistofsilk According to customer requirements, the production process design desired twist value in production can be achieved. 3.3 Silkworm silk twisting thrownsilk Two or more than two untwisted or twisted silk by merging twisted wire. 3.4 Twisting wire nominal fineness nominaldenierofthrownsilk On behalf of the fineness of the material multiplied by the number of silk as a nominal fineness of yarn twister.

4 Test standard atmosphere

Determination of twist shall comply with GB/T 6529 standard atmospheric temperature of 20.0 ℃ ± 2.0 ℃, relative humidity 65.0% ± 4.0%, the specimen sample should be balanced under these conditions more than 12h before the test.

5 Technical requirements

Level twist index determination, can refer to Appendix A of the reference index rating. ......

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