• ZP-4D


Dry Powder Developer 

ZP-4D is a noncombustible, dry powder, Form a developer 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.

  • Even, thin developer coverage
  • Enhances visibility of ultra-fine discontinuities
  • Non-combustible powder

Ordering Information 

5 Kg: 055C084

Product Properties 

NDT Type: Fluorescent Penetrant Testing,

Penetrant Type: Type 1,

Developer Form: Form a


Ideal Application: Cracks, Forgings, Porosity, Seams, Welds

Defect Examples: Castings, Critical components, Turbine components


Standards: AECLAMS 2644AMS 2647ASME BPVCASTM D129ASTM E1417ASTM E165/E165M-18Boeing BAC 5423 PSD 6-46 or 8-4Boeing PS-21202GE P3TF2Honeywell EMS 52309ISO 3452-2MIL-STD-2132MIL-STD-271Pratt & Whitney PMC 4356QPL SAE AMS 2644Rolls Royce RRP 58003 (CSS 232)SAFRAN Pr 5000/In 5000

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  • Brand: Magnaflux
  • Product Code: ZP-4D
  • Availability: In Stock

Tags: ZP-4D, Developer, 055C084, Magnaflux