APEX Inspections - Penetrant Liquid Penetrant Examination (PT) Various types of liquid penetrant examination methods are utilized to detect open or surface cracks or defects in materials. Red dye or fluorescent penetrants are utilized as well as various types of wet and dry developers.

 
ASME Liquid Penetrant inspection of a Weld on a pressure vessel.


Linear indications on a RH Learjet Engine Mount - Liquid Penetrant



King Air SIRM Inspection of the Lower Forward Fittings using Liquid Penetrant