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ZL-2C Post Emulsifiable Penetrants - Level 2

ZL-2C Post Emulsifiable Penetrants - Level 2

SKU: SKU:01-3123-40

Stock Status: Available in 5 - 7 business days
Regular price $659.00 USD
Regular price Sale price $659.00 USD
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A medium sensitivity penetrant (Level 2), ZL-2C fluorescent post-emulsifiable penetrant is designed to be removed from the part surface by emulsifiers or solvent. With a UV-A light source, indications will appear as a bright green-yellow fluorescence. ZL-2C has a high flash point, and is designed to be used in open dip tanks.

ZL-2C is listed on the QPL SAE AMS 2644 Qualified Product List and is approved for use by Pratt & Whitney.


  • Bright indications
  • Minimal background fluorescence
  • High flash point
  • QPL SAE AMS 2644 Qualified Product List
  • Approved for use by Pratt & Whitney


  • AECL
  • AMS 2644
  • ASME
  • ASTM E1417
  • ASTM E165
  • MIL-STD-2132
  • MIL-STD-271
  • NAVSEA T9074-AS-GIB-010/271
  • Pratt & Whitney PMC 4352
  • QPL SAE AMS 2644


Defect location: open to surface

Ideal for:

  • Castings
  • Forgings
  • Extrusions
  • Welds
  • Rough surface finish

Defect examples:

  • Cracks
  • Laps
  • Seams
  • Delamination
  • Porosity

Use Recommendations

NDT Method: Fluorescent Penetrant Testing

Type: Type 1

Methods: Method B, Method C or Method D

Sensitivity Level: Level 2, medium sensitivity

Required Equipment: UV light source

Temperature Range: 40 to 125°F / 4 to 52°C

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