Potential Disadvantages
- Requires adequate cleaning (neglect of this step can have costly repercussions)
- Test materials can be damaged if compatibility is not ensured
- Penetrant stains clothes and skin and must be treated with care
- Limited to surface defects
- Extensive training is required for the Inspector
Penetrants stain cloth, skin and other porous surfaces brought into contact. One should verify compatibility on the test material, especially when considering the testing of plastic components. Further information on inspection steps may be found in industry standards (e.g. the American Welding Society, American Society for Testing and Materials, the British Standards Institute, and the Society for Automotive Engineers).
Read more about this topic: Fluorescent Penetrant Inspection
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