Liquid Penetrant Testing (LPT) finds surface-breaking flaws like cracks, porosity, and lack of fusion in non-porous materials (metals, ceramics, plastics) by using capillary action to draw dye into defects, revealing them after applying a developer, widely used in aerospace, automotive, oil & gas for inspecting welds, castings, and critical components to ensure structural integrity.

Uses

• Surface Cracks:Hairline cracks from fatigue, manufacturing, or stress.
• Porosity:Tiny holes or voids on the surface.
• Lack of Fusion/Inclusions:Gaps or foreign material in welds/castings.
• Seams & Cold Shuts:Surface separations in forged or machined parts.
• Corrosion Pits:Pits from inter-granular corrosion.

 Applications

Aerospace:Aircraft components, turbine engines, landing gear, structural welds.

• • Automotive:Engine parts, castings, welds on chassis.
  • Oil & Gas:Pipelines, pressure vessels, valves, storage tanks.
  • Power Generation:Turbines, boilers, processing equipment.
  • General Manufacturing:Welds, castings, forgings, machined parts, non-ferrous metals (like aluminum, titanium).
  • Cryogenics:Inspecting equipment for defects under extreme cold.