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, including the Mohs hardness scale, which ranks materials based on their scratch resistance, and the Rockwell hardness test, which provides a more precise measurement. These testers are widely used across industries such as automotive, aerospace, electronics, and construction, where material durability is crucial.

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