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Mandrel bending test according to DIN EN ISO 1519 (cylindrical mandrel) and DIN EN ISO 6860 (conical mandrel)

The mandrel bending test is used to determine the ductility and adhesion strength of paints, varnishes, or similar products on metallic substrates. The sample is bent around a cylindrical (DIN EN ISO 1519) or conical (DIN EN ISO 6860) mandrel and then examined for cracking or detachment. The cylindrical mandrel bending test can be carried out according to specifications with different bending radii. In conical mandrel bending test, the bending radius decreases along the longitudinal axis of the sample.

Area of competence


  • DIN EN ISO 6860
  • DIN EN ISO 1519

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