This part of GB/T 3903 specifies a test method for determining the flex resistance of uppers and linings irrespective of the material, in order to assess the suitability for the end use.
This part is applicable to all types of uppers and lining for footwear.
2 Normative References
The following normative documents contain provisions which, through reference in this text, constitute provisions of this part of GB/T 3903. For dated references, subsequent amendments to, or revisions of, any of these publications do not apply. However, parties to agreements based on this part are encouraged to investigate the possibility of applying the most recent editions of the normative documents indicated below. For undated references, the latest edition of the normative document referred to applies.
GB/T 6682-2008 Water for Analytical Laboratory Use — Specification and Test Methods (ISO 3696:1987, MOD)
GB/T 22049 Footwear — Standard Atmospheres for Conditioning and Testing of Footwear and Components for Footwear (GB/T 22049-2008, ISO 18454:2001, IDT)
GB/T 22050 Footwear — Sampling Location, Preparation and Duration of Conditioning of Samples and Test Pieces (GB/T 22050-2008, ISO 17709:2004, IDT)
3 Terms and Definitions
For the purposes of this part of GB/T 3903, the following terms and definitions apply.