14HF is an oil based, ready to use fluorescent ink for wet method magnetic particle testing. The inks are used in conjunction with suitable magnetizing equipment and UV(A) source to locate medium / fine surface and slightly subsurface discontinuities in ferrous materials. Typical defects found include shrink cracks, welding defects, grinding cracks, quenching cracks and fatigue cracks. 14HF is the material of choice for aerospace applications giving clear fluorescent green indications when viewed in a darkened area under UV(A) of peak wavelength 365nm. 410HF can be used in similar applications to 14HF, its enhanced fluorescent green indications and slightly larger particle size means that a totally darkened inspection area is not always required.
14HF is an oil based, ready to use fluorescent ink for wet method magnetic particle testing.