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FERROMOR ND magnetic powder is finely divided ferromagnetic powder of high permeability and low coercivity blended with coloured pigments. It is designed to be used in the dry state and inspection is carried out in good visible light.
Dry powders are suitable for seeking coarse defects in billets, tube rounds, large primary castings, pipe welds, welded structures etc. They show good sensitivity for subcutaneous defects when used in conjunction with half wave rectified current.Ferromor powders are supplied ready for use. Ferromor powders should be viewed in good white light of at least 500 lux at the test surface.( except NDF) Ferromor powders have a particle size range from 5-170 microns and density 2-3.
Range
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Mean Particle Size
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90µm
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Density
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2.8
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Surface Temperature Limit
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200°C
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