Capillary method of non-destructive control – PT
Penetrating fluid method

Principle:

In the interaction of the liquids with open indications due to the capillary effect, a penetrant is retained, which after drawing of the developer is pulled out and a surface with color or fluorescence contrast is formed on the surface.

Field of application:

The method is used to detect surface indications in controlled objects and devices. Furthermore, the method can be used to control leak tightness when both sides of the controlled article.

capillary method