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ZL-27A

Level 3 Post Emulsifiable Fluorescent Penetrant

Post-emulsifiable ZL-27A is a Level 3, high-sensitivity Type 1 penetrant designed for inspections which require maximum process control and reliability, such as safety-critical aerospace testing.

Since ZL-27A is not water soluble, there is minimal risk of this penetrant being removed from a fine or shallow defect through over-washing to provide the highest reliability of any penetrant inspection method.

ZL-27A has a high flash point and provides long tank life when used in open dip tanks, but this penetrant can also be applied in a variety of other ways, including electrostatic spray.

To remove surface ZL-27A penetrant before developer application, use ZE-4E Method B lipophilic emulsifier or ZR-10E Method D hydrophilic emulsifier can be used.

ZL-27A is listed on the QPL SAE AMS 2644 Qualified Product List and is approved for use by Pratt & Whitney.

Benefits

Improve indication detection

Maximize penetrant inspection process control

  • Prevents over-washing since ZL-27A cannot be removed with water (unless combined with an emulsifier)
  • PE penetrant system is less susceptible to human error since only surface penetrant is removed in the final rinse stage

Wide range of inspections

  • Inspect a wide range of high-value components without fear of corrosion or specification non-conformance
  • Meets all major industry and NDT specification requirements, including Aerospace Prime and OEM specs, AMS 2644 and ISO 3452​

Features

  • Level 3 high sensitivity
  • Post emulsifiable
  • Bright indications
  • Resists over-washing or over-removal
  • High flash point
  • Wide range of application methods
  • Low odor
  • Very low toxicity
  • Alloy compatibility
  • High thermal resistance
  • High UV stability
  • QPL SAE AMS 2644 Qualified Product List
  • Approved for use by Pratt & Whitney

 

Ordering Information

Aerosol can (case of 12)01-3187-78

5 gal / 18.9 L01-3187-40

20 gal / 75.7 L drum01-3187-30

55 gal / 208 L drum01-3187-45

Product Properties

NDT TypeFluorescent Penetrant Testing

Penetrant TypeType 1

Fluorescent Penetrant SensitivityLevel 3 - High Sensitivity

Penetrant MethodsMethod B, Method C

Removal TypePost Emulsifiable

Required EquipmentUV light source

Applications

Ideal ApplicationCritical components, Detecting fine discontinuities, Electrostatic spray, Immersion dip tank, Machined components, Precision castings, Precision forgings

Defect ExamplesFine cracks, Porosity, Seams

Compliance

StandardsAECL, AMS 2644, ASME BPVC, ASTM E1417, ASTM E165, Boeing BAC 5423 PSD 6-46 or 8-4, Boeing PS-21202, ISO 3452, 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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