Penetrant for fluorescent penetrant testing

Fluorescent penetrant testing is a highly sensitive method of non-destructive material testing (NDT) that is used in particular to detect the finest surface cracks on metallic and non-metallic materials.

The central element of this method is the penetrant, in this case for fluorescent penetrant testing, which enables safe and reliable detection of even the finest defects thanks to its luminosity under UV light.

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What are penetrants for fluorescent penetrant testing?

Penetrants are special liquids that can penetrate the smallest surface defects by capillary action due to their excellent wetting properties. After a defined penetration time, the surface is cleaned without the penetrant being removed from the defects.

In fluorescent processes, the penetrants contain dyes that are made visible under UV radiation (365 nm).

The process conditions, requirements and process steps are described in various standards, e.g. DIN EN ISO 3452-2. This method of non-destructive material testing is used worldwide in safety-critical areas.

Advantages of fluorescent penetrants

Our penetrants for fluorescent penetrant testing offer numerous advantages for industrial testing processes:

  • Excellent display capability for the smallest surface defects
  • High brilliance for reliable indication under UV radiation
  • Quick and easy application in manual or automated processes
  • Various sensitivity levels for a wide range of requirements
  • Suitable for numerous materials such as steel, aluminum, magnesium, titanium, alloys of all kinds, ceramics and plastics (material compatibility may need to be checked beforehand)

PFINDER: Specialist for fluorescent penetrants

PFINDER is one of the leading suppliers in the field of non-destructive material testing and offers a wide range of test equipment for dye penetrant testing. Our products set standards in terms of sensitivity and display contrast, particularly in the field of red-white testing.

Our dye penetrants are optimized to enable fast and reliable detection of the finest surface cracks. They are suitable for both manual and automated inspection systems - from single part inspection to series production.

We are here for you!

We support our customers. Together, we develop solutions for an optimal testing process with the right test equipment: technical advice, test series, process optimization and on-site training - the PFINDER experts are always at your side as experienced contacts.

Typical areas of application

Our fluorescent penetrants are used in numerous areas of application
(selected examples):

  • Sensitivity level 0.5: Series inspection of cast parts in the automotive industry
  • Sensitivity level 1: Series testing of forged parts in the automotive industry
  • Sensitivity level 2: Series testing of light metal components in the aviation and automotive industries
  • Sensitivity level 3: Testing of components in the aerospace industry
  • Sensitivity level 4: Testing of components in the aerospace industry

GREEN NDT: More sustainability in NDT processes

PFINDER pursues with GREEN NDT PFINDER is pursuing a clear strategy for the continuous improvement of occupational safety in testing processes and the environmental properties of testing equipment - while maintaining a high level of cost-effectiveness.

Our penetrants are formulated in such a way that they fulfill all normative requirements and at the same time are as safe and user-friendly as possible.

Penetrant from PFINDER - quality you can rely on

With PFINDER penetrants for fluorescent penetrant testing, you are opting for reliable, high-performance and standard-compliant test equipment. They enable the early detection of cracks, pores and defects - wherever safety is paramount.

PFINDER penetrants combine the highest quality standards with economic efficiency. As frequently used test equipment in the field of non-destructive material testing (NDT), they are ideal for companies that place the highest demands on safety and reproducibility.

Whether for series production in the automotive industry, maintenance in mechanical engineering or safety-relevant components in aviation - with concentrates from PFINDER you can rely on tested quality and many years of experience in penetrant testing.

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