This part of GB/T 3903 specifies the test method for the rate of change of tensile strength of uppers or shaped uppers under high temperature, with the purpose of evaluating their suitability for end use. This section applies to footwear uppers of various materials.
GB/T 3903.18-2008 Referenced Document
GB/T 22049 Footwear—Standard atmospheres for conditioning and testing of footwear and components for footwear*, 2019-08-30 Update
ISO 17706 Footwear - Test methods for uppers - Tensile strength and elongation
GB/T 3903.18-2008 history
2008GB/T 3903.18-2008 Footwear.Test methods for uppers.High temperature behaviour