Liquid Penetrant Inspection

Zyglo® ZL-37 Post Emulsifiable Fluorescent Penetrant

ZL-37’s formulation has been designed to be impervious to water to protect it from over washing and permit more penetrant to remain in discontinuities for improved detection of small defects. It and other post emulsifiable penetrants require the application of a lipophilic or hydrophilic emulsifier to render them washable with water.

Zyglo® ZL-37 fluoresces a bright greenish-yellow under ultraviolet radiation. Use of an ultraviolet light source with a peak wavelength of 365 nanometers, such as the MAGNAFLUX® ZB-100F fan-cooled black light, is recommended.

Specifications Compliance: 

AMS 2644, ASME B & PV Code Sec V, ASTM E-165, ASTM E-1417, MIL-STD-271, Pratt & Whitney PMC 4354, Rolls Royce RPS 702/CSS 232,  Rolls Royce RRP 58003 (supersedes RPS 702), SAFRAN Pr-5000/In-5000, Snecma DMC0010.

Part Number and Container Size:

  • 066C020 - 25 litre containers
  • 066C019 - 200 litre containers

 

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Applications: Zyglo® ZL-37 is ideal for titanium turbine components, investment castings and other high stress critical components where detection of fine, tight discontinuities is required.

Classification: Type 1, Method B Penetrant when using ZE-4B emulsifier.
Type 1, Method D Penetrant when using ZR-10C (20%) remover.

Sensitivity Level: Level 4 - Ultra-High Sensitivity.