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ZL-15B
Level 1/2 Water Washable Fluorescent Penetrant

ZL-15B water washable penetrant is a low-sensitivity penetrant that features excellent washability. It is used to find open surface flaws such as cracks and porosity in seams, laps, cold shuts, and laminations on castings, forgings, extrusions, and parts with rough surfaces. It can be developed with ZP-4B dry powder developer, with ZP-5B water suspendible developer in an agitated tank or with ZP-9F non-aqueous developer. With a UV-A light source, like the EV6000, indications will appear as a bright green-yellow fluorescence.
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ZL-15B is listed on the QPL SAE AMS 2644 Qualified Product List.

• Benefits
• Specifications
• Item # - Sizes
• Applications
• Utilization

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• Excellent washability
• QPL approved

• AECL
• AMS 2644
• ASME
• ASTM E1417
• ASTM E165
• Boeing BAC 5423 PSD 6-46 or 8-4
• Boeing PS-21202
• MIL-STD-2132
• MIL-STD-271
• NAVSEA T9074-AS-GIB-010/271
• QPL SAE AMS 2644

• 5 gal/18.9 L pail - Item #:  01-3159-40
• 20 gal/75.7 L drum - Item #:  01-3159-30
• 55 gal/208 L drum - Item #:  01-3159-45

Defect location:  Open to surface
Ideal for:  

• Castings
  
• Forgings
• Rough surface finish
• Seams
• Laps
• Cold shuts
• Laminations

Defect examples:

• Cracks
• Seams
• Cold shuts
• Delamination
• Porosity

NDT Method:  Fluorescent Penetrant Testing

• Type: Type 1
• Methods: Method A / C
• Sensitivity Level: Level 1/2, very low sensitivity
• Required Equipment: UV light source
• Temperature Range: 40 to 125°F / 4 to 52°C