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ZL-4C

Water-Based Fluorescent Penetrant

Developed for testing materials that can be affected by petroleum-based penetrants, ZL-4C water-based fluorescent penetrant contains no petroleum derivatives and is harmless to materials that can be attacked by petroleum-based solvents, such as plastics. It is also safe for use on ceramics, and it can be used as a leak detector. It is always recommended that the inspection material is tested for compatibility with ZL-4C prior to use.

ZL-4C can be diluted with water to decrease its viscosity to enable easier application. ZL-4C does not contain a corrosion inhibitor as the materials it is designed to test are not normally susceptible to corrosion. 

ZP-4B powder developer is recommended for use with ZL-4C penetrant, because liquid developers may wash penetrant out of open surface flaws in the non-metallic materials being tested.

Benefits

  • Water-based for specialty applications
  • Safe for use on ceramics
  • Can be used for leak detection
  • Can be diluted with water

Ordering Information

5 gal / 18.9 L01-3137-40

55 gal / 208 L drum01-3137-45

Product Properties

NDT TypeFluorescent Penetrant Testing

Penetrant TypeType 1

Required EquipmentUV light source

Applications

Ideal ApplicationCeramic components, Leak detection, Plastic components

Defect ExamplesCracks, Leaks

Compliance

StandardsASME

Resources

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