This part of GB/T 3903 specifies the method for measuring the deformation of uppers or shaped uppers, with the purpose of evaluating the applicability of the final product. This section applies to various uppers for footwear.
GB/T 3903.40-2008 Referenced Document
GB/T 22049 Footwear—Standard atmospheres for conditioning and testing of footwear and components for footwear*, 2019-08-30 Update
QB/T 2706 Leather-Chemical, physical and mechanical and fastness tests - Sampling location
GB/T 3903.40-2008 history
2008GB/T 3903.40-2008 Footwear.Test methods for uppers.Deformability