This part of EN 13523 describes the procedure for determining the resistance to blocking and/or pressure marking of an organic coating on a metallic substrate.
BS EN 13523-24:2004 history
2017BS EN 13523-24:2017 Coil coated metals. Test methods. Resistance to blocking and pressure marking
2004BS EN 13523-24:2004 Coil coated metals - Test methods - Resistance to blocking and pressure marking