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SN/T 0450-2009Rules for the inspection of import and export grey yarn (English PDF)

进出口本色纱线检验规程

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Issued by

General Administration of Customs

Level / Type

National · Recommended

Issue date

September 2, 2009

Implementation date

March 16, 2010

Scope

SN/T 0450-2009 is the English-translated version of 进出口本色纱线检验规程.

SN/T 0450-2009 — This standard specifies the assessment of import and export cartridges silkworm (raw silk) weft yarn twister sampling, visual inspection and test results; provides access Mouth twisting silkworm silk double Palace, import and export cotton yarn qualities and assessment (polyester ratio of 60% or more) sampling, testing and test results.

This standard applies to nine and below its raw material fineness 33D (37dtex) and below the import and export cartridges silkworm (raw silk) weft yarn twister Visual inspection. apply on behalf of the fineness of 250D (278dtex) and below the silkworm Sijia made double Palace double Palace twisting silkworm Importers and other silkworm silk double Palace silk twisting test; ring mechanism applicable to import and export of cotton yarn and combed cotton blended yarn qualities (including weaving with Yarn and knitting yarn) test.

This standard does not apply to special purpose cotton yarn, and other blended yarn test.

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Document preview — SN/T 0450-2009

National Standard of the People's Republic of China

Classification: W 12
Replacing: SN/T 0450-1995; SN/T 0784-1999; SN/T 1497.1-2004

Issued by: General Administration of Customs

What this standard covers1
Document data2
Standards quoted by this document3

What this standard covers

This standard specifies the import and export cartridges silkworm (raw silk) weft yarn twister sampling, visual inspection and evaluation of test results, provides for import and export of silkworm silk twister double house, and the import and export of cotton yarn qualities (the proportion of polyester 60% and above) for sampling, testing and evaluation of test results. This standard applies to 9 and below its raw materials fineness 33D (37dtex) and below the import and export cartridges silkworm (raw silk) visual inspection of warp and weft yarn twister: For a nominal fineness of 250D (278dtex) and below silkworms double house made of import and export of silkworm silk processing double-palace and other silkworm silk twister twister silk double Palace inspection, mechanisms for import and export of cotton yarn and combed ring spun polyester blended gray yarn (including woven with yarn and knitting yarn) test. This standard does not apply to special purpose cotton yarn and other blended yarn inspection.

Document data

Chinese classification (CCS): W12.

Estimated length of the Chinese original: 10,134 words.

Supersedes the earlier edition SN/T 0450-1995; SN/T 0784-1999; SN/T 1497.1-2004.

Standards quoted by this document

GB/T 398; GB/T 2543.1; GB/T 2543.2; GB/T 2910; GB/T 3292; GB/T 3916; GB/T 4743; GB/T 8170; GB/T 8693; GB/T 9995; FZ/T 01050; FZ/T 10008; FZ/T 42005

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 7 pages — is available in the English PDF.

Referenced standards

Normative references

GB/T 2543 · GB/T 2910 · GB/T 3292

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