Liquid Penetrant Testing (PT)

Liquid Penetrant Testing (PT) is a highly effective non-destructive testing (NDT) method for detecting surface defects in various materials. It is widely used for inspecting welds and components where material properties may limit the use of other NDT techniques.

How Liquid Penetrant Testing Works

The process begins with applying a liquid penetrant to the surface of the component, allowing it to soak (dwell) for a specified time. The penetrant is then carefully removed, and a developer is applied. If defects are present, the penetrant bleeds through the developer, creating a visible or fluorescent indication. Our certified inspectors evaluate these indications based on industry codes, standards, and client specifications.

Liquid Penetrant Testing Techniques

• Type I – Fluorescent Penetrant Examination
  • Method A – Water Washable
  • Method C – Solvent Removable
• Type II – Visible Penetrant Examination
  • Method A – Water Washable
  • Method C – Solvent Removable

Key Benefits of PT

✔ Mobile – Easily deployed for on-site inspections
✔ Cost-effective – Provides a reliable and affordable solution
✔ Portable – Ideal for field and in-service applications
✔ Highly sensitive – Detects even the smallest surface defects

Nationwide Testing Services

Our experienced technicians are equipped to provide liquid penetrant testing services anywhere in the United States. Whether supporting operators in remote locations or working in extreme conditions, we deliver fast, accurate, and dependable inspection results. With over 40 years of expertise, we ensure high-quality evaluations that meet industry and client requirements.