When magnetizing a ferromagnetic material, the magnetic lines of force (flux) will follow the best magnetic conductive media, the line of least resistance. If the magnetic field lines meet a poorly conductive area, such as a surface crack, high magnetic resistance causes a change of the flux. This provokes a disturbance of the flux on the surface, which accumulates ferromagnetic particles.

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Classification of test media

The classification of test media for magnetic particle testing is done according to the disposition of contrast creation. The following types can be distinguished:
I. Fluorescent (visible under UV-light)
II. Non-fluorescent (visible in daylight)
III. Daylight and fluorescent.

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PFINDER 100 / 200 Series


Mostly all the product conforms to the following specifications / is suitable for use according to: EN ISO 9934-2, ASME V Art.7, ASTM E 1444, ASTM E 709, AMS 2641, AMS 3044, AMS 3045 bzw. AMS 3046, RCCM, PMUC. Low content of sulfur and halogens according to EN ISO 9934-2. 

Available as 30-L-package, 5-L-canister, 500-mL-spray can.

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Cost Reduction

Powerful and innovative testing media offer cost reduction in many areas in the supply chain – not only to the purchasing department.

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