Hardness testing is an easy and fast method to determine the force needed to scratch a surface. The hardness degree of a surface is jointly responsible for the scratch hardness especially when scratching of sharp-edged articles or materials.
Hardness
ZSH 2090 Pencil Hardness Tester
Hardness tester according to Wolff-Wilborn for determination of resistance of coatings to mechanical stress by pencils of different hardness.
ZHT 2092 - 2093 Pocket Hardness Testers
Pocket testers for hardness tests on flat and curved surfaces.
ZST 2095 Mar Resistance Tester
Pocket tester for determination of scratch resistance on painted or plastic surfaces.
