Fluorescent Yellow 131SC is a highly concentrated liquid dye designed to reveal leaks in hydraulic systems, engine blocks, oil filled heat exchangers, improperly seated gaskets, and any other equipment that uses of petroleum-based fluids. Fluorescent Yellow 131SC can also be used for fuel pipeline applications to clearly identify a changeover from one fuel type to another. The comes in 40-lb pails or 380-lb drums.
Keystone Aniline Corp., (800) 522-4393
