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8A Red provides strong contrast on most metal surfaces during dry method mag particle testing in visible light. It is ready-to-use for visible light flaw detection of surface and slightly subsurface discontinuities in ferrous metals.
8A Red can be used in a powder blower or shaken from a bottle during magnetisation, and blown off while current is still being applied. On material with a high magnetic retentivity, indications can still be formed after the current has been turned off.
NDT TypeVisible Magnetic Particle Testing
Required EquipmentMagnetizing device
Ideal ApplicationCastings, Dark surfaces, Detecting medium, large and course discontinuities, Extreme temperatures, Field testing, Forgings, Highly reflective surfaces, In-service inspections, Large parts, Rough/textured surfaces, Spot inspections, Weld testing
Defect ExamplesFatigue cracks, Grinding cracks, Inclusions, Laps, Quenching cracks, Seams, Shrink cracks, Tears, Welding defects
StandardsAMS 3040, ASME BPVC, ASTM E1444/E1444M, ASTM E709, ISO 9934-2, MIL-STD-2132, NAVSEA T9074-AS-GIB-010/271
1 Grey visible magnetic particles for dry method mag inspection in normal light
Fast, reliable, even application of magnetic powers and bath suspensions
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