Zyglo© ZL-19 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. 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.
ZL-19 penetrant meets OSHA requirements for Class III B liquids due to its high flash point and can be used in open dip tanks
AMS 2644, ASME B & PV Code, Sec. V, MIL-STD-271, MIL-STD-2132, Boeing BAC 5423 PSD 6-46 or 8-4, General Electric P50YP107, Boeing PS-21202, ASTM E 165, AECL, ASTM E 1417
Applications: Zyglo© ZL-19 exhibits excellent rough surface washability and is typically used on castings, forgings, extrusions and rough machined surfaces to find cracks, seams, laps, cold shuts, laminations and porosity.
Classification: Type 1, Method A, Water wash (Non-Water-Based) Penetrant, Level 1
Sensitivity Level: Sensitivity Level 1 – Low Sensitivity