CSI offers fast, reliable and cost effective flaw detection through the use of a semi-automated liquid penetrant inspection line. Our six station liquid penetrant line allows for a large volume of parts to be processed quickly and accurately. This system is very flexible and can be used with a variety of techniques.
History of PT
- Oil and Whiting – Railroad Industry, Late 1800s
- Color Dyes added – Late 1930s
- Fluorescent Dyes added – Early 1940s
- Water Washable Improved – 1960s
Advantages of PT
- Inexpensive
- Sensitive
- Versatile
- Portable
- Easy to Learn
Limitations of PT
- Time Consuming
- Only Discontinuities Open to the Surface
- Temperature (50 deg F – 115 deg F)
- Difficult to use on rough surfaces
- Ventilation
- Messy