Circle Systems Mi-Glow(R) 834

It is designed to be used with a UV-A light to detect discontinuities typically found in the NDT of forgings, castings, and welds.

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Mi-Glow® 834 uses or latest generation Mi-Glow® 800 particles which have exceptional sensitivity, uniform size, and ideal magnetic characteristics for fluorescent magnetic particle inspection. Mi-Glow® 834 is a fluorescent yellow/green powder premixed with borate free Wetting Agent #34 for use in water media. Borate free Wetting Agent #34 helps to alleviate potential health and safety concerns associated with chemistries containing borates. Wetting Agent #34 contains excellent corrosion inhibitors and offers incomparable defoaming properties ensuring a reliable magnetic particle inspection. Mi-Glow® 834 has excelled as an oil and gas tubular inspection product (OCTG). The high fluorescence, low foaming, minimal background, and consistently sized particles makes Mi-Glow® 834 ideal for inspecting pipes that may have become blemished from being in service. Mi-Glow® 834 is designed to be used with UV-A light to detect discontinuities typically found in the NDT of forgings, castings, welds, and high-volume NDT applications.


Package Size

2 pound jar, 30 pound pail, 1kg jar, 15kg pail

  • Reduction of Mi Glow 834 consumption in NDT processes
  • Greater sensitivity and brightness of the Mi Glow 800 results in faster NDT inspections
  • The use of the efficient Wetting Agent 34 provides a cost savings by reducing magnetic particle consumption
  • Borate free wetting agent with excellent wetting characteristics
  • Low foaming – Well controlled water conditioning agents
  • Economic – requires 55% less product to achieve desired concentration within a fluorescent MPI system (MG 834 requires 5 g/L compared to our direct competitor of 11.25 g/L)

Provides total particle encapsulation, eliminating free unbonded pigment, resulting in a low background, high performing magnetic particle inspection powder

Sensitivity – The superior Mi Glow 800 particles have larger surface areas which mean smaller sized particles with increased sensitivity and brightness

Physical Characteristics
Forest green powder with a slight detergent odor.

Particle Certification
Mi Glow 834 particles meet all relevant NDT specifications, including but not limited to ASTM E 1444, AMS 3044, MIL-STD-271, NAVSEA 250-1500-1, NTR-1E. Certification is included with each shipment.

Particle Color: Fluorescent Yellow/Green
Average Particle Size: 3 µm
AMS Standard: 3044
SAE Sensitivity*: 8
Temperature Range: 32-120°F (0-49°C)

*Representative of the number of lines shown on an AISI 01 Ketos tool steel ring as defined in SAE AS5282.

Domestic Packaging

Item # / Package Size
#3125 – 2 pound jar
#3126 – 30 pound pail

International Packaging

Item # / Package Size
#3123 – 1kg jar
#3127 – 15kg pail

This product has no accessories.
This product does not have software options.
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