This International Standard specifies a method for determining the permanent elongation of leather. The process is intended for use with furniture leather, but can also be used for all flexible leather.
EN ISO 17236:2016 Referenced Document
ISO 2418:2002 Leather - Chemical, physical and mechanical and fastness tests - Sampling location
ISO 2419:2012 Leather - Physical and mechanical tests - Sample preparation and conditioning
ISO 2589:2002 Leather - Physical and mechanical tests - Determination of thickness
ISO 7500-1:2015 Metallic materials - Calibration and verification of static uniaxial testing machines - Part 1: Tension/compression testing machines - Calibration and verification of the force-measuring system
EN ISO 17236:2016 history
2016EN ISO 17236:2016 Leather - Physical and mechanical tests - Determination of extension set
2002EN ISO 17236:2002 Leather - Physical and mechanical tests - Determination of extension set ISO 17236:2002