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Liquid Penetrant Inspection

Detecting Surface Discontinuities
When a quick, economic analysis is desired, Pro Integrity NDT® uses Liquid Penetrant Inspection (PT) to detect surface discontinuities. In PT a dye is applied to the surface of a component. Through capillary action, the dye penetrates into surface discontinuities. After a set amount of time, the dye is removed from the surface and a developer is applied. The developer draws penetrated dye to the surface, and the discontinuity is clearly indicated.
Benefits of this method are:
  • Can be used on a wide variety of materials and parts
  • Extremely portable
  • Simple and fast
  • Can easily detect discontinuities as small as 4 µin or 0.1 µm
  • Economical
  • Detects all surface discontinuities in one operation
  • Indications are produced directly on surface of the part providing a visual image of the discontinuity
  • Can be used on ferrous & non-ferrous materials

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Pro Integrity NDT - Liquid Penetrant Inspection

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Pro Integrity provides Non-Destructive Testing to Canadian companies that need to ensure the quality and performance of their industrial assets. Offering both regular inspection and 24/7 emergency service.