Clean the component before testing to provide a suitable test surface.
Shake the can to ensure that the paint particles are evenly distributed.
Apply an thin, even film of the paint to the test surface by spraying, dipping or brushing. Allow to dry.
Apply magnetic particles to the test surface and observe any indications formed around leaks/defects. If the test material has a high retentivity, indications will remain visible; othwerise, the indications will slowly fade.
After inspection, demagnetise the test part before cleaning. If required, the dried paint film can be removed using a wire brush or a common solvent, such as acetone.
