ZYGLO® ZL-4C Water Base Fluorescent Penetrant

Magnaflux ZYGLO ZL-4C Water Base Fluorescent Penetrant ZL-4C is typically used on plastics and ceramics to find cracks. ZL-4C is also used as a leaker penetrant to detect through leaks. ZL-4C is a fluorescent, water base penetrant. ZL-4C is soluble in water and can be diluted, but is generally used as supplied or from 1:1 to 1:2 in water. ZL-4C contains no petroleum base solvents. ZL-4C fluoresces a greenish-yellow color under ultraviolet radiation of 365 nm, such as supplied by the MAGNAFLUX® ZB-100F fan-cooled black light. Product Literature Product Data Sheet Product Instructions MSDS