Magnaflux ZL-60D Zyglo Water Washable Fluorescent Penetrant
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ZL-60D is a Level 2 fluorescent water washable penetrant. It is used to check for cracks, seams, laps, cold shuts, lamination and porosity in a wide range of applications including castings, forgings, extrusions and rough machined surfaces. When exposed to ultraviolet light, the penetrant fluoresces a bright greenish-yellow color, making for easy detection of a flaw. A black light source with a peak wavelength of 365 nanometers is recommended, such as the Magnaflux ZB-100F fan-cooled black light. Water washable penetrants can be used in open dip tanks and meet OSHA requirements for Class III B liquids due to their high flash point. Method of Application Test parts must be clean, free of all oil, grease or other foreign contaminating substances, and dry before penetrant is applied. Our Water Washable Penetrants can be applied by immersion dip, brush- or flow-on, conventional or electrostatic spray. The area to be inspected must be completely covered with penetrant. Warning!! Penetrants may attack and even dissolve many kinds of plastic pipe.Polyvinyl chloride (PVC) pipe is especially vulnerable, and can crumble after only a few days of exposure. Even diluted penetrant rinsings attack it rapidly. ABS plastic pipe is nearly as sensitive. When installing plumbing to handle penetrant rinsing, use metal pipe. Penetration/Dwell Time The generally accepted minimum penetration time is 10 minutes. Some specifications may require longer dwell times. Temperature Our Water Washable Penetrants are generally used between 40ºF to 125ºF. Penetrant Removal Penetrants are generally removed by water spray. The general wash temperature envelope is 50ºF to 100ºF. Developer Application Zyglo developers should be used to maximize the sensitivity of our penetrants. Aqueous developers are applied prior to drying, dry powder and non-aqueous developers after drying.NOTE! Parts should not remain in aqueous developers for any length of time, as the penetrant sensitivity could be impaired. Recommended Developers ZP-4B Dry Powder, ZP-9F Solvent, ZP-5B Water Suspendible, SKD-S2 Solvent Coverage 1 gallon covers approximately 1000 square feet. 1 aerosol can (16 ounce by volume) covers approximately 65 square feet. | |||||||||||||||||||||||
SpecificationsSpecification Compliance AMS 2644, ASME B & PV Code, Sec. V, MIL-STD-271, MIL-STD-2132, Boeing BAC 5423 PSD 6-46 or 8-4, General Electric P50YP107, Boeing PS-21202, ASTM E 165, AECL, ASTM E 1417
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