ZL-15B water washable penetrant is a low-sensitivity penetrant that features excellent washability. It is used to find open surface flaws such as cracks and porosity in seams, laps, cold shuts, and laminations on castings, forgings, extrusions, and parts with rough surfaces.

ZL-15B can be developed with ZP-4B dry powder developer, with ZP-5B water suspendible developer in an agitated tank or with ZP-9F non-aqueous developer. With a UV-A light source, like the EV6000, indications will appear as a bright green-yellow fluorescence.

• Bright indications
• Excellent washability

Ordering Information 

25 litres: 056C061

200 litres: 056C062

Product Properties 

NDT Type: Fluorescent Penetrant Testing

Penetrant Type: Type 1

Fluorescent Penetrant Sensitivity: Level 1/2 - Very Low Sensitivity

Penetrant Methods: Method A

Removal Type: Water Washable

Required Equipment: UV light source

Applications 

Ideal Application: Castings, Cold shuts, Forgings, Laminations, Laps, Rough surface finish, Seams

Defect Examples: Cold shuts, Cracks, Delamination, Porosity, Seams

Compliance 

Standards: AMS 2644, ASME BPVC, ASTM E1417/E1417M, ASTM E165/E165M-18, MIL-STD-2132