GB/T 38013-2019 PDF EnglishUS$85.00 · In stock · Download in 9 seconds
GB/T 38013-2019: Footwear - Test method for shoelace - Knot slippage property 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 38013-2019: Footwear - Test method for shoelace - Knot slippage property---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/GBT38013-2019NATIONAL STANDARD OF THE PEOPLE’S REPUBLIC OF CHINA ICS 61.060 Y 78 Footwear - Test Method for Shoelace - Knot Slippage Property ISSUED ON: AUGUST 30, 2019 IMPLEMENTED ON: MARCH 1, 2020 Issued by: State Administration for Market Regulation; 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 Principle ... 5 5 Test Equipment ... 5 6 Sample and Conditioning ... 5 7 Test Procedures ... 5 8 Result Expression ... 8 9 Test Report ... 8 Footwear - Test Methods for Shoelace - Knot Slippage Property1 ScopeThis Standard stipulates the test methods for shoelace in knot slippage property. This Standard is applicable to shoelaces made of various textures.2 Normative ReferencesThe following documents are indispensable to the application of this document. In terms of references with a specified date, only versions with a specified date are applicable to this document. In terms of references without a specified date, the latest version (including all the modifications) is applicable to this document. GB/T 16825.1-2008 Verification of Static Uniaxial Testing Machines - Part 1: Tension/compression Testing Machines - Verification and Calibration of the Force- measuring System; GB/T 22049-2019 Footwear - Standard Atmospheres for Conditioning and Testing of Footwear and Components for Footwear3 Terms and DefinitionsThe following terms and definitions are applicable to this document. 3.1 Loose Loose refers to the process of the loosening and slippage of shoelaces that are fastened. 3.2 Bowknot Bowknot refers to the mode of tying the knot of shoelace into the shape of a butterfly, as it is shown in Figure 1. 3.3 Knot Knot refers to the simplest mode of tying the knot of shoelace into the shape of one person holding his two arms, as it is shown in Figure 2.4 PrinciplePre-tie a bowknot or a knot with the shoelace; adopt tensile machine, use fixed load, to fasten the bowknot or the knot. Then, adopt the tensile machine to pull and loosen the bowknot or the knot. Record the maximum force that is needed during the loosening process of the shoelace; the result shall be expressed in (N).5 Test Equipment5.1 Tension Test Machine Tension test machine shall comply with the requirements in GB/T 16825.1-2008; accuracy shall at least be Grade-2; movement speed shall at least be (10 ± 1) mm/min; it shall be able to automatically record the force value. 5.2 Molding Plate Molding plate refers to resin plate (dimensions: around 60 mm 115 mm 1.5 mm) which is used to fixate shoelace. 5.3 Straight Steel Ruler The measuring range of straight steel ruler shall be not lower than 300 mm, accurate to 1 mm.6 Sample and Conditioning6.1 Sample Sample shall be 3 intact shoelaces without any flaws or ruptures. 6.2 Sample Conditioning Before the test, place all the samples under the conditions of the reference standard environment that complies with the stipulations in GB/T 22049-2019; conduct sample conditioning for at least 24 h.7 Test Procedures7.1 General Principles All the tests shall be conducted under the conditions of the reference standard environment stipulated in GB/T 22049-2019. When tests are not conduced under this environment, samples shall be tested within 15 min after being taken out of the ......Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al. Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of English version of GB/T 38013-2019 be delivered?Answer: The full copy PDF of English version of GB/T 38013-2019 can be downloaded in 9 seconds, and it will also be emailed to you in 9 seconds (double mechanisms to ensure the delivery reliably), with PDF-invoice.Question 2: Can I share the purchased PDF of GB/T 38013-2019_English with my colleagues?Answer: Yes. The purchased PDF of GB/T 38013-2019_English will be deemed to be sold to your employer/organization who actually paid for it, including your colleagues and your employer's intranet.Question 3: Does the price include tax/VAT?Answer: Yes. 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