Liquid Penetrant Testing (Fluorescent Penetrant Inspection)

Liquid Penetrant Testing is performed at Laboratory Testing Inc. (LTI) by certified NDT technicians. Both fluorescent penetrant inspection and visible dye liquid penetrant testing are performed on products up to 25 ft. in length. Water-washable and post-emulsifiable fluorescent penetrants in sensitivity levels 2, 3 and 4 are available. This video covers the fluorescent penetrant inspection process.