Pencil Hardness Tester Dealers in Indore

Pencil Hardness tester

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The purpose of scratch hard­ness tests is to determine the resistance of coating materials or lacquers to scratch effects on the surface. Generally, scratch hardness is measured by moving a sharp object under a known pressure over the test surface. Here is informative video on how to properly set up and use a pencil hardness tester, or scratch tester.