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Category: Developers

ZP-4B is a free flowing, white fluffy powder used as a high sensitivity dry powder developer for Zyglo Penetrants.


Category: Emulsifiers

Zyglo® ZE-4B is a lipophilic emulsifier. It can be used in open tanks due to its low volatility andhigh flash point. ZE-4B is non-corrosive.






Category: PE Penetrants

ZL-27A’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.



Zyglo® ZL-4C contains no petroleum base solvents and fluoresces a greenish-yellow color under ultraviolet radiation of 365 nm.


Zyglo® ZL-60D fluoresces a bright greenish-yellow under ultraviolet radiation and is safe for use on most engineering and aerospace alloys including aluminum, steel, nickel and titanium.

Category: Zyglo Kits

Our Zyglo® ZA-70 Portable (aerosol) Fluorescent Kit offers improved sensitivity over our Spotcheck® visible red dye test kit.






Spotcheck® SKL-WP2 water washable penetrant eliminates the need for solvent removers or emulsifiers in the removal of excess surface penetrant.


Spotcheck® SKL-4C is used in leak testing and in the inspection of ceramic and chemically sensitive plastic parts.

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