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ZL-56

Level 4 Water Washable Fluorescent Penetrant

An ultra-high sensitivity penetrant (Level 4), ZL-56 fluorescent water-washable penetrant is safe for use on alloys in engineering and aerospace use, including aluminum, steel, nickel and titanium. ZL-56 is designed for non-porous and highly machined components. Developers recommended are ZP-4B powder, ZP-9F non-aqueous, SKD-S2 non-aqueous and ZP-5B water suspendible.

ZL-56 is listed on the QPL SAE AMS 2644 Qualified Product List.

Benefits

  • Bright, high-contrast indications
  • Ideal for critical part inspection
  • Ultra-high sensitivity for aerospace inspections
  • QPL SAE AMS 2644 Qualified Product List

Ordering Information

5 gal / 18.9 L01-3267-40

55 gal / 208 L drum01-3267-45

Product Properties

NDT TypeFluorescent Penetrant Testing

Penetrant TypeType 1

Fluorescent Penetrant SensitivityLevel 4 - Ultra-High Sensitivity

Penetrant MethodsMethod A, Method C

Removal TypeWater Washable

Required EquipmentUV light source

Applications

Ideal ApplicationAerospace alloys, Aluminum, Critical components, High-stress parts, Nickel, Non-porous surfaces, Smooth, machined surface finish, Steel, Titanium

Defect ExamplesFinished surface cracks, Scratches

Compliance

StandardsAECL, AMS 2644, ASME, ASTM E1417, ASTM E165, Boeing BAC 5423 PSD 6-46 or 8-4, Boeing PS-21202, NAVSEA T9074-AS-GIB-010/271, QPL SAE AMS 2644

Resources

Related Products

  • ZP-4B

    ZP-4B

    Dry powder developer for Form a penetrant testing, QPL SAE AMS 2644 and Pratt & Whitney approved

  • ZP-5B

    ZP-5B

    Water suspendible developer for Form c penetrant testing, QPL SAE AMS 2644

  • ZP-9F

    ZP-9F

    Solvent-based developer for Type 1 Form d or Type 2 Form e penetrant testing, QPL SAE AMS 2644

  • SKC-S

    SKC-S

    NDT cleaner and remover for pre-cleaning before non-destructive testing and for removing excess surface penetrant

  • ST700

    ST700

    Inspection-grade stationary flood LED UV-A lamp gives overhead black light for fluorescent NDT inspections

  • EV6000

    EV6000

    Portable, handheld LED UV lamp for black light inspection during fluorescent PT or MT testing

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