Hardness can be defined as a material’s resistance to permanent deformation. In the coatings industry, hardness measurement can be used to determine the resistance of the coating to scratching from general wear and tear and also if a coating is fully cured.
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How to test coating hardness using the Elcometer 3092 Sclerometer Hardness Tester
How to measure coating hardness using the Elcometer 3095 Buchholz Hardness Tester
How to measure coating hardness using the Wolff Wilborn Pencil Hardness Test