Penetrant Testing

What is Penetrant Testing?

 

Penetrant testing, also known as liquid penetrant inspection, is a non-destructive testing (NDT) method for detecting surface-breaking discontinuities in non-porous materials. This can involve finding defects such as cracks, porosity, laps, and leaks in steel, castings, plastics, ceramics, and similar materials.
A penetrant liquid, either colored or fluorescent, is applied to the cleaned surface of the part. The liquid penetrates even very small surface defects by capillary action. Excess penetrant is removed from the surface, and after applying a developer, the defect can be seen either directly or under ultraviolet light.

Penetrant Product Overview

Penetrant Process Overview

Penetrant Process Description

 


 

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