Zyglo® ZP-4D Dry Powder Developer

ZP-4D is a noncombustible dry powder developer for form A penetrant testing that is ideal for highly sensitive fluorescent penetrant processes. ZP-4D is applied to oven dried parts following the use of penetrants and forms a thin film on parts that enhances the visibility of ultra-fine discontinuities.

ZP-4D is listed on the QPL SAE AMS 2644 Qualified Product List and is approved for use by Pratt & Whitney.

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Product Information

Benefits: 

  • Even, thin developer coverage
  • Enhances visibility of ultra-fine discontinuities
  • Non-combustible powder
  • QPL SAE AMS 2644 Qualified Product List
  • Approved for use by Pratt & Whitney

Compliance:

Standards: AECLAMS 2644AMS 2647ASMEASTM E1417Boeing BAC 5423 PSD 6-46 or 8-4Boeing PS-21202GE P3TF2Honeywell EMS 52309ISO 3452-2Pratt & Whitney PMC 4356QPL SAE AMS 2644

Applications: 

Ideal Application: CracksForgingsPorositySeamsWelds

Defect Examples: CastingsCritical componentsTurbine components

Resources

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