This Part of ISO 9117 specifies a test method for determining, several stages and the rate of dry-film formation of organic coatings using straight line and circular mechanical drying-time recording devices. The use of mechanical recorders is valuable in
DS/EN ISO 9117-4:2012 history
2012DS/EN ISO 9117-4:2012 Paints and varnishes - Drying tests - Part 4: Test using a mechanical recorder