DIN EN ISO 5403-2:2012-03

This document (EN ISO 5403-2:2011) has been prepared by Technical Committee CEN/TC 289 "Leather", the secretariat of which is held by UNI, in collaboration with Technical Committee IULTCS "International Union of Leather Technologists and Chemists Societies". The document specifies a method for determining the dynamic water resistance of leather by means of repeated angular compression. The method is applicable to all flexible leathers but is particularly suitable for leathers intended for footwear applications. The method uses a Maeser-type machine and includes an option for electronic detection. A square test specimen is folded and secured in two V-shaped clamps which have closed ends so as to form a trough. The trough is then immersed in water and the clamp at one end oscillates at a constant speed so that the specimen is repeatedly flexed. The test is stopped at the first sign of water penetration through the test specimen or by means of electronic detection. The committee responsible for this standard is Working Committee NA 062-05-51 AA "Anforderungen und physikalische Prüfverfahren für Leder und seine Ausgangsprodukte" ("Requirements and physical test methods of leather and ...") at DIN.