This document specifies test procedures for assessing the effect of chemicals on the characteristics of an organic coating on a metallic substrate. It covers testing by using defined substances and to assess the change in characteristics such as discoloration@ change in gloss@ blistering@ softening@ swelling and loss of adhesion. Assessment of other phenomena can be agreed between the interested parties.
PREN 13523-18-2019 history
2019PREN 13523-18-2019 Coil coated metals - Test methods - Part 18: Resistance to staining