Testing on coatings Coating-thickness measurement, cross-cut, pull-off. These tests provide a measure for the adhesion of a coating to its substrate (paint or zinc coating). Read more Salt spray testCorrosion test for CLP-regulationImmersion testingPitting and crevice corrosionIntergranular corrosionClimatic testingElectrochemical testingStress corrosion cracking (SCC)APA test