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Effectively locating surface-breaking defects in all non-porous materials

With more qualified and experienced technicians, Shawcor provides liquid penetrant testing services that provide our customers with a proper inspection the first time, every time.

Liquid penetrant testing (PT) is widely considered the most common non-destructive testing method, enabling our technicians to detect surface flaws such as hairline cracks, surface porosity and fatigue cracks on in-service components on a wide range of energy infrastructures. PT is a simple process where a liquid penetrant is applied to the surface of a part. Sufficient time is allowed (dwell) for the liquid to penetrate surface discontinuities. The excess penetrant is then removed and a blotter (developer) is applied, making the part ready to be evaluated.

Shawcor technicians follow meticulous, pre-approved PT procedures, ensuring quick detection of surface flaws. With our vast branch network, we can mobilize an inspection team to virtually any project location.


Shawcor technicians ensure:

  • All testing surfaces are properly cleaned
  • Dwell time between the penetrant and test surface is sustained for the correct amount of time
  • Excess penetrant is removed properly to allow the developer to work to its maximum effectiveness
  • A thorough evaluation and interpretation of anomalies
  • All penetrant and developer is removed before returning the asset to in-service
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