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Magnaflux #1 Gray Dry Magnetic Particles – Visible, 10 lb
Magnaflux #1 Gray Dry Magnetic Particles – Visible, 10 lb

Magnaflux #1 Gray Dry Magnetic Particles – Visible, 10 lb

SKU 01-1716-69
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#1 Gray is a ready-to-use, non-fluorescent dry magnetic particle powder that gives strong contrast on most metal surfaces during dry method magnetic particle testing in visible light. It detects surface and slightly subsurface discontinuities in ferrous metals, and does not require a black light or darkened inspection area.

Apply a fine layer to the test area with a powder dispensing device, such as a powder spray bulb or powder blower, while the magnetising current is applied. If there is excessive background, gently blow off the excess powder while the current is still flowing. On material with high magnetic retentivity, indications can still form after the current has been turned off. A magnetising device is required. This listing is for the 10 lb (4.53kg) pail.
  • Sharp colour-contrast indications on highly reflective surfaces
  • Ready to use
  • Good particle buildup for quick detection
  • Highly refined for optimal particle shape and size combination
  • Minimal dust build-up
  • Does not require a black light or darkened inspection area
NDT Method Magnetic particle testing, non-fluorescent / visible, dry method
Appearance Fine, dry powder
Colour in Visible Light White-grey
Odour Odourless
Mean Particle Size 80 microns
SAE Sensitivity > 8 (number of indications on a tool steel ring, per ASTM E3024)
Usage Temperature Up to 399°C (750°F)
Storage Temperature 10 to 30°C (50 to 86°F)
Required Equipment Magnetising device, powder dispenser
Standards Compliance AMS 3040, ASTM E709, ASTM E3024, ASME, MIL-STD-271, MIL-STD-2132, NAVSEA 250-1500-1, NAVSEA T9074-AS-GIB-010/271
Pack Size 10 lb / 4.53kg pail
Part Number 01-1716-69
Defect Location Surface and slightly subsurface
Ideal For Light, medium and dark surfaces; medium, large and coarse discontinuities; weld testing; forgings; castings; field testing; spot inspections; in-service inspections; large parts; extreme temperatures; rough/textured surfaces
Defect Examples Inclusions, seams, shrink cracks, tears, laps, flakes, welding defects, grinding cracks, quenching cracks, fatigue cracks
#1 Gray Product Data Sheet (PDF)
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