ZE-4B Lipophilic Emulsifier
- Low volatility
- High flash point
- Fast acting for quick processing times
- Supplied ready to use”
- Biodegradable
- Safe to use on all aerospace alloys, e.g. aluminium, steel, nickel, titanium
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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-2C Level 2 Post-Emulsifiable Fluorescent Penetrant
A medium sensitivity penetrant (Level 2), ZL-2C fluorescent post-emulsifiable penetrant is designed to be removed from the part surface by emulsifiers or solvent.
With a UV-A light source, indications will appear as a bright green-yellow fluorescence.
ZL-2C has a high flash point, and is designed to be used in open dip tanks.
ZL-37 Level 4 Post Emulsifiable Fluorescent Penetrant
Essential for critical component applications, ultra-high sensitivity ZL-37 post-emulsifiable penetrant is designed for detecting fine, tight discontinuities in safety-critical components, such as titanium turbine components, and in high-stress parts, such as investment castings.
This Type 1 penetrant is non-water-soluble so there is minimal risk of washing ZL-37 penetrant from a fine or shallow defect which makes this penetrant inspection the most reliable, dependable form of PT testing.
ZL-37 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.
ZL-37 can be removed with ZE-4B Method B lipophilic emulsifier or ZR-10C Method D hydrophilic emulsifier.