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Penetrant testing – Based on the properties of capillary action, or the phenomenon of a liq-uid rising or climbing when confined to a small opening due to surface wetting properties of the liquid, Penetrant testing is used for finding surface breaking discontinuities on relatively smooth, nonporous surfaces.

PT Advantages :

  • Used on a wide range of material types.
  • Large areas or large volumes of parts/material can be inspected rapidly and at low cost.
  • Parts with complex geometries can be inspected easily.
  • Indications are produced directly on the surface of the part providing a visual image of the anomaly.
  • Aerosol spray cans make equipment very portable.