This standard specifies the test method for elongation of leather. This standard applies to the determination of the elongation of various types of supple leather (especially decorative leather).
GB/T 39372-2020 Referenced Document
GB/T 39364 Leather—Chemical, physical, mechanical and fastness tests—Sampling location
QB/T 2707 Leather-Physical and mechanical tests - Sample preparation and conditioning
QB/T 2709 Leather-Physical and mechanical tests-Determination of thickness
GB/T 39372-2020 history
2020GB/T 39372-2020 Leather—Physical and mechanical tests—Determination of percentage extension