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
