Liquid Penetrant Inspection (LPI)

Our testing includes surface flaw detection, porosity evaluation, and crack identification across all commercial and nuclear codes. We utilize multiple penetrant systems including lipophilic and hydrophilic emulsified systems, water washable, and solvent removable methods to meet any sensitivity requirements for your specific application needs. Our services support aerospace, government, nuclear, and after-market applications with both Type I fluorescent and Type II non-fluorescent inspections. 

Key capabilities include: 

• Comprehensive evaluation of welds and castings 

• Non-ferromagnetic material inspection 

• Non-metallic component testing 

• Fracture-critical hardware assessment 
• After-market component validation 

We evaluate critical components across aerospace, nuclear, commercial, and government applications. Our expertise covers both metallic and non-metallic materials, with specialized capabilities for fracture-critical hardware and high-volume inspection needs. We support major prime contractors including Aerojet Rocketdyne, Boeing, Bombardier, Cessna, GE, Hamilton Sunstrand, Honeywell, Northrop Grumman, and Rolls Royce with certified inspection of their most demanding components.

We provide both onsite and laboratory-based inspections for maximum flexibility. Our comprehensive service includes: 

• Pre-cleaning processes (etch, alkaline, or solvent-cleaning) 

• In-house chemical etching for one-stop processing 

• Precise dwell time management 

• Developer powder application 

• Detailed reporting of defect type, size, and location 

• Certification documentation for compliance requirements 

Our equipment meets specifications for major prime contractors and nuclear applications, and includes:  

• A 55’ x 15’ wet room equipped with a 2.5-ton hoist for processing large specimens 

• All methods of dye penetrant inspection, including lipophilic and hydrophilic emulsified systems, as well as water washable and solvent removable to meet any sensitivity requirements 

• Certification by major prime contractors for the inspection of fracture critical hardware 

• In-house chemical etching services, which allow for "one-stop lab" processing

Our specialized facility in Altbach, Germany, delivers high-volume Liquid Penetrant Inspection with the capacity to process up to 12,000 parts per day, providing rapid, precise defect detection at scale. Beyond that, our 8,500-strong team operates from Materials Testing Services hubs worldwide, delivering expert capabilities wherever they're needed. Find your nearest Materials Testing Services hub on our Locations Page.