Magnaflux 7C Black Wet Method Visible Magnetic Particles

CAD $178.99CAD $792.99

7C Black is a highly-sensitive magnetic particle powder for nonfluorescent (visible) wet method magnetic particle testing. Particle suspensions prepared with 7C Black provide clear, strong indications and are ideal for locating fine and medium discontinuities on finished parts.



7C Black can be mixed with water or oil and used to find inclusions, seams, shrink cracks, tears, laps, flakes, welding defects, grinding cracks, quenching cracks, fatigue cracks and other defects. Use with WCP-2 white contrast paint to improve to improve probability of detection and sensitivity


  • Clear indications under visible light
  • Heavy particle buildup for quick detection
  • Can be suspended in water or petroleum distillate (oil) vehicle
  • Great particle mobility

Ideal For

  • Reflective or light-colored surfaces
  • Detecting fine and medium discontinuities
  • Field testing
  • Spot inspections
  • In-service inspections
  • Machined parts
  • Light surfaces
  • Difficult to reach areas

For more information, see manufacturer’s product sheet:  Product Sheet – Magnaflux 7C Black Wet Method Visible Magnetic Particles

Additional information

Weight N/A
Dimensions N/A

25 lb, 8 lb


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