SN/T 2558.2-2011 English PDF

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SN/T 2558.2-2011: Testing method for import and export functional textiles. Part 2: Negative ion concentration
Status: Valid

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SN/T 2558.2-2011	159	Add to Cart	3 days	Testing method for import and export functional textiles. Part 2: Negative ion concentration	Valid

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Basic data

Standard ID: SN/T 2558.2-2011 (SN/T2558.2-2011)
Description (Translated English): Testing method for import and export functional textiles. Part 2: Negative ion concentration
Sector / Industry: Commodity Inspection Standard (Recommended)
Classification of Chinese Standard: W04
Classification of International Standard: 59.080.01
Word Count Estimation: 6,635
Date of Issue: 2011-02-25
Date of Implementation: 2011-07-01
Quoted Standard: GB/T 6529; GB/T 8170
Regulation (derived from): ?AQSIQ-Inspection [2011] 90
Issuing agency(ies): General Administration of Customs
Summary: This standard specifies test methods for determination of the friction textile anion content. This section utilize dry woven fabrics, knitted fabrics and nonwovens.

SN/T 2558.2-2011: Testing method for import and export functional textiles. Part 2: Negative ion concentration

---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 method for import and export functional textiles.Part 2. Negative ion concentration People's Republic of China Entry-Exit Inspection and Quarantine Standards Functional Textiles Import and Export Inspection Method Part 2. anion content Part 2. Negativeionconcentration Issued on. 2011-02-25 2011-07-01 implementation People's Republic of China The State Administration of Quality Supervision, Inspection and Quarantine released

Foreword

SN/T 2558 "Importers functional textile performance test method" is divided into two parts. --- Part 1. UV resistance; --- Part 2. negative ion content. This section SN/T 2558 Part 2. This section drafted in accordance with GB/T 1.1-2009 given rules. This section proposed and managed by the National Certification and Accreditation Administration Committee. This section was drafted by. People's Republic of China Shanghai Entry-Exit Inspection and Quarantine Bureau. The main drafters of this part. He Xiuling, Lu Weimin. Functional Textiles Import and Export Inspection Method Part 2. anion content

1 Scope

This section SN/T 2558 specifies the test method for the determination of textiles anion content using the friction law. This section applies to woven fabrics, knitted fabrics and nonwovens.

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 GB/T 8170 repair value expressed about the rules and limit values and judgment

3 Terms and Definitions

The following terms and definitions apply to this document. 3.1 Aeroanion airnegativeion Negatively charged tiny particles in the air with the group. 3.2 Anion Textiles negativeiontextiles By physical and chemical methods obtained by processing materials containing negative ions textile products. 3.3 Anion performance negativeionproperty After textiles by friction can release negative ions of performance, characterized by negative ions. 3.4 Anion content negativeionconcentration Per unit volume of textiles release the number of negative ions per cubic centimeter units (a/cm3). Principle 4 The samples were hand rubbing friction for some time, the number of measurement sample release negative ions through the air ion measuring instrument.

5 device

5.1 air ion measuring instrument Specifications shall meet the following requirements. ......

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