ZL-56
Level 4 Water Washable Fluorescent Penetrant
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-4D powder, ZP-9F non-aqueous, SKD-S2 non-aqueous and ZP-5B water suspendible.
ZL-56 is listed on the QPL SAE AMS 2644 Qualified Product List.
ZL‑56 is an ultra‑high sensitivity (Level 4) water‑washable penetrant for critical aerospace components.
Yderligere information
Benefits
- Bright, high-contrast indications
- Ideal for critical part inspection
- Ultra-high sensitivity for aerospace inspections
- QPL SAE AMS 2644 Qualified Product List
Ordering Information
Penetrant TypeType 1
Fluorescent Penetrant SensitivityLevel 4 – Ultra-High Sensitivity
Penetrant MethodsMethod A, Method C
Removal TypeWater Washable
Required EquipmentUV light source
Applications
Defect ExamplesFinished surface cracks, Scratches





