Zyglo® ZL-67 Water Washable Fluorescent Penetrant
Level 3 Water Washable Fluorescent Penetrant
A high sensitivity (Level 3) penetrant, ZL-67 fluorescent water washable penetrant is safe for most alloys, such as aluminum, steel, nickel and titanium, which are used in aerospace and engineering applications. ZL-67 penetrant is commonly used to find flaws in investment castings, jet engine components, and highly machined surfaces.
Non-water based, ZL-67 has a high flash point for use in open tanks. Recommended developers are ZP-4B dry powder, SKD-S2 or ZP-9F solvent-based, and ZP-5B suspendible developers.
ZL-67 is listed on the QPL SAE AMS 2644 Qualified Product List and is approved for use by Pratt & Whitney.
- Bright, high-contrast indications
- High flash point
- QPL SAE AMS 2644 Qualified Product List
- Approved for use by Pratt & Whitney