GB/T 3903.37-2008 PDF EnglishUS$140.00 · In stock · Download in 9 seconds
GB/T 3903.37-2008: Footwear -- Test methods for insoles and insocks -- Static friction Delivery: 9 seconds. True-PDF full-copy in English & invoice will be downloaded + auto-delivered via email. See step-by-step procedure Status: Valid
Similar standardsGB/T 3903.37-2008: Footwear -- Test methods for insoles and insocks -- Static friction---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/GBT3903.37-2008GB NATIONAL STANDARD OF THE PEOPLE’S REPUBLIC OF CHINA ICS 61.060 Y 78 GB/T 3903.37-2008 / ISO 22653.2003 Footwear - Test methods for lining and insocks - Static friction (ISO 22653.2003, IDT) Issued on: DECEMBER 30, 2008 Implemented on: SEPTEMBER 1, 2009 Issued by. General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China; Standardization Administration of the People's Republic of China. Table of ContentsForeword ... 3 1 Scope ... 4 2 Normative references ... 4 3 Terms and Definitions ... 4 4 Apparatus and material ... 5 5 Sampling and conditioning ... 9 6 Test method ... 9 7 Expression of results ... 11 8 Test report ... 18 Annex A (informative) Examples of autographic traces of friction tests on coated fabrics and determination of the variability of kinetic friction ... 19ForewordThis Part of GB/T 3903 identically adopts the International Standard ISO 22653.2003 “Footwear - Test methods for lining and insocks - Static friction” (English version). For easy use, this Part has the following editorial modifications. a) “this International Standard” is modified into “this Part”; b) USE the decimal point “.” to replace the comma “,” used as decimal point; c) DELETE the foreword of the International Standard; d) DELETE the table of content of the International Standard; e) for the EU standards referenced in ISO 20865.2002, this Part directly reference the corresponding national standards; f) DELETE the annex of the International Standard; g) CHANGE the unit in the International Standard INTO China’s legal unit of measurement. This Part was proposed by China Light Industry Council. This Part shall be under the jurisdiction of National Technical Committee on Footwear of Standardization Administration of China. Drafting organizations of this Part. Putian Huafeng Footwear Co., Ltd., China Leather and Footwear Industry Research Institute, Jinjiang Entry-exit Inspection and Quarantine Bureau of the People’s Republic of China. Main drafters of this Part. Cai Jinhui, Tian Wang and Chen Bin. Footwear - Test methods for lining and insocks - Static friction1 ScopeThis Part of GB/T 3903 specifies two methods of assessing the frictional properties of lining and insocks. This Part is applicable to all kinds of lining and insocks of footwear.2 Normative referencesThe provisions in following documents become the provisions of this Part through reference in this Part of GB/T 3903. For dated references, the subsequent amendments (excluding corrigendum) or revisions do not apply to this Part, however, parties who reach an agreement based on this Part are encouraged to study if the latest versions of these documents are applicable. For undated references, the latest edition of the referenced document applies. GB/T 22049 Footwear - Standard atmospheres for conditioning and testing of footwear and components for footwear3 Terms and DefinitionsFor the purposes of this Part of GB/T 3903, the following terms and definitions apply. 3.1 coefficient of static friction (μS) The ratio of the force necessary to cause the tangential separation of two stationary surfaces to the perpendicular force acting upon the two surfaces. 3.2 coefficient of kinetic friction (μK) The ratio of the force necessary to maintain a constant velocity between two surfaces in contact to the perpendicular force acting upon the two surfaces. ......Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al. 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