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An ultra-high sensitivity penetrant (Level 4), ZL-56 fluorescent water-washable penetrant is safe for use on alloys in engineering and aerospace use, including aluminum, steel, nickel and titanium.
ZL-56 is designed for non-porous and highly machined components. Developers recommended are ZP-4B powder, ZP-9F non-aqueous, SKD-S2 non-aqueous and ZP-5B water suspendible.
NDT TypeFluorescent Penetrant Testing
Penetrant TypeType 1
Fluorescent Penetrant SensitivityLevel 4 - Ultra-High Sensitivity
Penetrant MethodsMethod A, Method C
Removal TypeWater Washable
Required EquipmentUV light source
Ideal ApplicationAerospace alloys, Aluminum, Critical components, High-stress parts, Nickel, Non-porous surfaces, Smooth, machined surface finish, Steel, Titanium
Defect ExamplesFinished surface cracks, Scratches
StandardsAMS 2644, ASME BPVC, ASTM E1417/E1417M, ASTM E165/E165M-18, MIL-STD-2132, Rolls Royce RRP 58003 (CSS 232)
ZL-15B Level 1/2 water washable fluorescent penetrant for Method A and C liquid penetrant testing
ZL-19 Level 1 water washable fluorescent penetrant for Method A/C liquid penetrant testing
ZL-60C Level 2 water washable fluorescent penetrant for Method A/C liquid penetrant testing
ZL-60D Level 2 water washable fluorescent penetrant for Method A/C liquid penetrant testing
ZL-67B Level 3 water washable fluorescent penetrant for Method A/C liquid penetrant testing
EV6000 portable, hand-held LED UV lamp for fluorescent PT and MT
LED UV lamps and black lights for non-destructive testing
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