DIN EN ISO 20137
Leather - Chemical tests - Guidelines for testing critical chemicals in leather (ISO 20137:2023); German version EN ISO 20137:2023
Leder - Chemische Prüfverfahren - Richtlinien für die Prüfung kritischer Chemikalien in Leder (ISO 20137:2023); Deutsche Fassung EN ISO 20137:2023
Responsible national committee
NA 062-05-52 AA - Chemical test methods of leather
Responsible european committee
CEN/TC 289/WG 1 - Chemical test methods
Responsible international committee
IULTCS - International Union of Leather Technologists and Chemists Societies