Magnaflux Zyglo ZL-15B Water Washable Fluorescent Penetrants

• Used for non-destructive testing (NDT)
• Fluoresces a bright greenish-yellow under ultraviolet radiation
• Safe for use on most engineering and aerospace alloys including aluminum, steel, nickel and titanium
• 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