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Indentation test (Buchholz hardness) according to DIN EN ISO 2815

The film hardness of a single-layer or multi-layer coating structure can be determined by the Buchholz indentation test. Here, an indenter is placed shock-free on the horizontally aligned surface of the organic coating to be tested and lifted off after a load period of 30 seconds. The length of the lenticular impression in the coating is measured and the indentation resistance according to Buchholz is calculated.

Area of competence


  • DIN EN ISO 2815

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