Standard No.:	GB/T 45174-2024
English Name:	Footwear—Test method of density for microcellular soles
Chinese Name:	鞋类 微孔鞋底密度测定法
Professional Classification:	GB    National Standard
Source Content Issued by:	SAMR; SAC
Issued on:	2024-12-31
Implemented on:	2025-7-1
Status:	valid
Target Language:	English
File Format:	PDF
Word Count:	4500 words
Translation Price(USD):	135.0
Delivery:	via email in 1~3 business day

GB/T 45174-2024 Footwear - Test method of density for microcellular soles 1 Scope This document describes the test method of apparent density for complete item of microcellular soles. This document is applicable to the determination of apparent density for complete item of soles compounded from microporous materials and other materials. 2 Normative references The following documents contain requirements which, through reference in this text, constitute provisions of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. GB/T 6682-2008 Water for analytical laboratory use - Specification and test methods GB/T 22049 Footwear - Standard atmospheres for conditioning and testing of footwear and components for footwear 3 Terms and definitions For the purposes of this document, the following terms and definitions apply. 3.1 apparent density ρ mass per unit volume of a complete item of sole 4 Principle The apparent density (hereinafter referred to as “density”) of the sample is calculated based on the mass of the sample in air and water, which is measured following the Archimedes’ principle.

Contents Foreword I 1 Scope 2 Normative references 3 Terms and definitions 4 Principle 5 Apparatus and materials 6 Samples and conditioning 7 Test procedure 8 Test results 9 Test report