This document specifies two methods for determining the heat resistance of patent leather. Method A uses a modified lastometer, while method B uses the "Zwik" device. Both processes are suitable for patent leather for any end use.
EN ISO 17232:2017 Referenced Document
EN 15987:2015 Leather - Terminology - Key definitions for the leather trade
ISO 2418:2017 Leather - Chemical, physical and mechanical and fastness tests - Sampling location
ISO 2419:2012 Leather - Physical and mechanical tests - Sample preparation and conditioning
EN ISO 17232:2017 history
2017EN ISO 17232:2017 Leather - Physical and mechanical tests - Determination of heat resistance of patent leather
2009EN ISO 17232:2009 Leather - Physical and mechanical tests - Determination of heat resistance of patent leather