ISO 2418:2023
                            
                        
                            
                                Leather — Chemical, physical, mechanical and fastness tests — Position and preparation of specimens for testing
                            
                        
                        
                        
                        
                            
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                            Alcance
                            This document specifies the position of laboratory test specimens within a piece of leather and the method of labelling and marking the laboratory test specimens for future identification. In addition, this document specifies the design of press knives for cutting test pieces and the preparation of test pieces.It is applicable to all types of leather derived from mammals, irrespective of the tanning used.It is not applicable to leathers derived from birds, fish, reptiles or furs.