Scratch Hardness Tester Manual
Scratch Hardness Tester is suitable for checking coating performance is related to many factors that include the hardness of the coating with other physical properties such as adhesion, lubricity, resilience and influence of coating thickness and curing conditions. It is a quantifiable indication of the extent to which serious damage is resisted when a loaded needle is raked across a relatively smooth, flat surface. Scratch Hardness Tester (Manual) is hand operated instrument.