Description
HM-3A is a level 2, Method A water washable fluorescent penetrant for inspecting castings, extrusions and similar parts. HM-3A is a versatile, general purpose penetrant for use on a variety of materials, including aluminum and magnesium. HM-3A has been used by aerospace, airframe, turbine engine, and missile manufacturers for over a decade.
Special Features
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- Low to near zero background for assured indication visibility.
- Sharp, precise flaw indication for rapid interpretation.
- Excellent electrostatic spray capability.
- Long material tank life due to formula stability and non-volatility.
- Low material consumption (low drag out) due to low viscosity.
- Clean, odorless product, vapor free atmosphere
Chemical Properties
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- Color: Green
- Viscosity: 6.46 cSt @ 100F
- Fluorescence: Yellow/Green
- Water Tolerance: 15%
- Flash Point: 220F (104.4C)
Companion Products
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- D-90G Dry Powder Developer
- D-100 Non-Aqueous Developer
- D-106 Non-Aqueous Developer
- D-110A Water Suspendable Developer
- DR-60 Solvent Remover
- DR-62 Solvent Remover
Storage /Shelf Life
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- Keep away from moisture and sunlight.
- Temperature limit: 40F to 125F (0-50C)
- Keep the container closed when not in use.
- Shelf life from invoice date: Bulk Container – 5 Years
Specifications
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- SAE AMS 2644 & QPL – Type 1, Method A, Level 2
- MIL-I-25135 Revisions C, D, & E
- ASME Code NDT, Sec V
- Lockheed Martin
- MTU
- Boeing
- Rolls Royce
- Honeywell
- Turbomeca
- Airbus
- General Electric
- Northrop Grumman
- Pratt & Whitney FPM
