Liquid Penetrant Testing (PT/FPI) | Surface Defect Detection | Any Material

Complete guide to liquid penetrant testing (PT/FPI): visible dye penetrant, fluorescent penetrant inspection (FPI), water washable PT, and post-emulsifiable PT. AMS 2644 sensitivity levels 1/2 through 4. ASME Section V Article 6, AMS 2644, ASTM E1417, API 570 compliant. ASNT Level I–III PT training and Level III consulting from Atlantis NDT.