SN/T 2128-2020 English PDF

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SN/T 2128-2020: (Import and export textiles Retroreflective fabric retroreflective performance measurement)
Status: Valid

SN/T 2128: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
SN/T 2128-2020	199	Add to Cart	3 days	(Import and export textiles Retroreflective fabric retroreflective performance measurement)	Valid
SN/T 2128-2008	359	Add to Cart	3 days	Test methods and requirements of retroreflective performance for import and export retroreflective fabric	Obsolete

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Basic data

Standard ID: SN/T 2128-2020 (SN/T2128-2020)
Description (Translated English): (Import and export textiles Retroreflective fabric retroreflective performance measurement)
Sector / Industry: Commodity Inspection Standard (Recommended)
Classification of Chinese Standard: W04
Classification of International Standard: 59.080.40
Word Count Estimation: 9,977
Date of Issue: 2020-08-27
Date of Implementation: 2021-03-01
Older Standard (superseded by this standard): SN/T 2128-2008
Regulation (derived from): General Administration of Customs Announcement No. 98 [2020]
Issuing agency(ies): General Administration of Customs

SN/T 2128-2008: Test methods and requirements of retroreflective performance for import and export retroreflective fabric

---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.
Test methods and requirements of retroreflective performance for import and export retroreflective fabric Exit inspection and quarantine industry standard book People's Republic of China Importers retroreflective fabric retroreflective performance Test methods and requirements Posted 2008-09-04 2009-03-16 implementation People's Republic of China The State Administration of Quality Supervision, Inspection and Quarantine released

Foreword

This revised standard adopts the European standard EN471.2003 "Vocational High visibility warning clothing - Test methods and requirements" (6) Inversion Optical and physical properties of the fabric exit requirements and related content (7) of the test method. Appendix A of this standard is an informative annex. This standard is proposed and managed by the National Certification and Accreditation Administration Committee. This standard was drafted. People's Republic of China Fujian Exit Inspection and Quarantine. The main drafters of this standard. Zhouxue Hui, Ke Jiaji, Chenxue Can, Lin Chun can. This standard is the first release of the entry-exit inspection and quarantine industry standards. Importers retroreflective fabric retroreflective performance Test methods and requirements

1 Scope

This standard specifies a single retro-reflective properties of the import and export retroreflective fabric retroreflective performance test methods and requirements, excluding Other performance requirements. This standard applies to retroreflective performance of a single retroreflective performance of retroreflective fabric import and export of assessment, it does not apply at the same time Evaluation of having retroreflective and fluorescent properties of fabrics feature double-effect fabric retroreflective properties.

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 3978 standard lighting and geometric conditions GB/T 6529 Textiles conditioning and testing using standard atmosphere (GB/T 6529-2008, ISO 139.2005, MOD) GB/T 8629-2001 Textiles - Domestic washing and drying test procedures (eqv ISO 6330.2000) GB/T 12586-2003 Rubber or plastic coated fabrics - Determination of flex resistance destructive (idt ISO 7854.1995) GB/T 18426 Rubber or plastic coated fabrics - cold bending test (GB/T 18426-2001, idt ISO 4675.1990) GB 20653-2006 vocational high visibility warning clothing FZ/T 20020 wool fabric abrasion test method Martindale method

3 Terms and definitions

GB/T 3978 and established the following terms and definitions apply to this standard. 3.1 Reflected light from the incident near the line in the opposite direction, to return to the light reflection. 3.2 Having a single retro-reflective properties of the fabric. 3.3 In the viewing direction, the luminous intensity of the retroreflective surface divided by the fabric I fell toward the retroreflective fabrics and perpendicular to the direction of incident light E⊥ illumination of the plane of the provider. 3.4 In the direction of observation, luminous intensity coefficient (R) on the surface of the fabric retroreflective surface area divided by its suppliers. 3.5 In determining the characteristics of retroreflective fabrics, in the center of the sample at or near the center position of a given point. ......

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