• It is a very sensitive method for detecting small defects on the surface.

• It is easy to apply.

• Generally there is no material limitation. Metals, non-metal materials, magnetic and non-magnetic materials, conductive and non-conductive materials can be examined.

• Large surfaces and many parts can be examined quickly and economically.

• They can also be used on non-metallic materials.

• It is low in cost and can be easily transported.

• Inspection results can be easily evaluated.

• It is quantitative.