Fluorescent dyes are highly suitable for leak detection from a variety of sources such as engine or hydraulic systems, air conditioning refrigerant lines, or from water based coolant systems. Products for each of these applications are shown below.
Novaflour Yellow 600 - specifically formulated in PAG oil for r134a automotive A/C refrigerant systems. Yellow 600 is SAE J2297 certified (Stability and Compatibility Criteria of Fluorescent Refrigerant Leak Detection Dyes for Mobile R-134a and R-1234yf (HFO-1234yf) Air-Conditioning Systems). Yellow 600 is a direct drop in replacement for many other branded UV leak detection dyes. Yellow 600 is effective to as low as 0.1% in mobile a/c refrigerant systems.