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GB/T 3903.13-2020 PDF English

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GB/T 3903.13-2020: Footwear - Test methods for outsoles - Dimensional stability
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GB/T 3903.13: Evolution and historical versions

Standard IDContents [version]USDSTEP2[PDF] deliveryName of Chinese StandardStatus
GB/T 3903.13-2020English105 Add to Cart 0-9 seconds. Auto-delivery Footwear - Test methods for outsoles - Dimensional stability Valid
GB/T 3903.13-2005English234 Add to Cart 3 days Footwear -- Test methods for outsoles -- Dimensional stability Obsolete

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GB/T 3903.13-2020: Footwear - Test methods for outsoles - Dimensional stability

---This is an excerpt. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.), auto-downloaded/delivered in 9 seconds, can be purchased online: https://www.ChineseStandard.net/PDF.aspx/GBT3903.13-2020
GB NATIONAL STANDARD OF THE PEOPLE’S REPUBLIC OF CHINA ICS 61.060 Y 78 GB/T 3903.13-2020 / ISO 20873:2018 Replacing GB/T 3903.13-2005 Footwear - Test methods for outsoles - Dimensional stability (ISO 20873:2018, IDT) ISSUED ON: OCTOBER 21, 2020 IMPLEMENTED ON: MAY 01, 2021 Issued by: State Administration for Market Regulation; Standardization Administration of the People’s Republic of China.

Table of Contents

Foreword ... 3 1 Scope ... 5 2 Normative references ... 5 3 Terms and definitions ... 5 4 Test equipment and materials ... 5 5 Sampling and conditioning ... 6 6 Test method ... 6 7 Test result ... 8 8 Test report ... 8

Foreword

This Standard was drafted in accordance with the rules given in GB/T 1.1-2009. This Standard replaces GB/T 3903.13-2005 "Footwear - Test methods for outsoles - Dimensional stability"; compared with GB/T 3903.13-2005, the major technical changes are as follows: -- Modify normative references; use ISO standards to replace EU standards (see Chapter 2; Chapter 2 of version 2005); -- Modify the definition of dimensional stability and add a note (see 3.1; 3.1 of version 2005); -- Modify the test report requirements (see Chapter 8; Chapter 8 of version 2005); The translation method used in this Standard is equivalent to ISO 20873:2018 "Footwear - Test methods for outsoles - Dimensional stability". The documents of our country that have a consistent correspondence with the international documents that are referenced in this Standard are as follows: -- GB/T 2941-2006 Rubber - General procedures for preparing and conditioning test pieces for physical test methods (ISO 23529:2004, IDT) -- GB/T 22049-2019 Footwear - Standard atmospheres for conditioning and testing of footwear and components for footwear (ISO 18454:2018, IDT) -- GB/T 22050-2008 Footwear - Sampling location preparation and duration of conditioning of samples and test pieces (ISO 17709:2004, IDT) For convenience of use, this Standard makes the following editorial changes: -- Add a note to the clause (see Clause 7), "Note: According to customer needs, it can be noted, after the test result, that the sample change is shrinkage or extension". Please note that some of the contents of this document may involve patents. The issuing organization of this document is not responsible for identifying these patents. This Standard was proposed by China National Light Industry Council. This Standard shall be under the jurisdiction of National Technical Committee 305 on Footwear of Standardization Administration of China (SAC/TC 305). Footwear - Test methods for outsoles - Dimensional stability

1 Scope

This Standard specifies the method for determining the linear change rate of the dimensions after heating of footwear outsole materials.

2 Normative references

The following documents are indispensable for the application of this document. For dated references, only the dated version applies to this document. For undated references, the latest edition (including all amendments) applies to this document. ISO 17709 Footwear - Sampling location, preparation and duration of conditioning of samples and test pieces ISO 18454 Footwear - Standard atmospheres for conditioning and testing of footwear and components for footwear ISO 23529 Rubber - General procedures for preparing and conditioning test pieces for physical test methods

3 Terms and definitions

The following terms and definitions are applicable to this document. 3.1 Dimensional stability Change in the distance between two reference points on a test piece before and after heating under specified conditions. Note: This rate of change is expressed as a percentage.

4 Test equipment and materials

The following equipment and materials shall be used: ......
Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al.


      

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