SIST EN ISO 11642:2026 PDF

Overview

SIST EN ISO 11642:2026 is a European and international standard that specifies a precise method for determining the colour fastness to water of leather. Prepared by the International Union of Leather Technologists and Chemists Societies (IULTCS) and adopted by the European Committee for Standardization (CEN), this standard applies to all types of leather at any stage of processing. Its primary objective is to ensure consistent, reliable assessments of colour fastness, an essential property that impacts the quality and durability of leather in various end uses.