A scratch hardness tester is an essential instrument used to evaluate the hardness and wear resistance of materials by measuring their ability to withstand scratching or abrasion. This device typically employs a stylus or tool made from a harder material that is drawn across the surface of the test sample under controlled conditions. The resulting scratch is then analyzed to determine the depth, width, or length, providing a quantifiable measure of the material’s hardness.
Scratch hardness testers can operate on various scales.
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