Many standards describe corrosion tests where a coating has to be prepared with scratch marks that penetrate it completely down to the metal substrate. Possible instruments are scratching tools according to Sikkens or Clemen and Cross-cut testers.
Corrosion
ZCC 2087 Cross-cut Tester
User-friendly cross-cut tester for evaluation of adhesion of single- or multi-coat systems.
ZSF 2196 Scratching Tool
Scratching tool for carrying out defined scribe marks through coatings on metal substrates for corrosion testing or for cross-cut tests on curved surfaces.
ZVL 2190 Scratching Tool according to van Laar
The Scratching tool according to van Laar is a handy tool for defined scribing accurately through coatings in preparation of corrosion tests.
