Working with Jax means
Working with experts

Expert used
oil analysis

JAX/RPM Laboratory Division brings innovations and experience to used oil analysis that few, if any, can rival. Testing is performed to ASTM standards by highly qualified technicians using our state-of-the-art equipment that includes the DCP spectrometer, FTIR Analyzer, Kinematic Viscometers, Karl-Fischer Titrator and particle counter, to name a few. We provide accurate and dependable results. This laboratory is located in our state-of-the-art 1800-square-foot research center within our corporate headquarters.

The used oil analysis program at JAX/RPM provides an invaluable tool for extending your equipment and lubricant life. Our color-coded reports make any deviations from machine or lubricant norms easy to spot. A relevant comment section may help direct maintenance personnel to the source of potential problems.

Request a Trial Sample Kit at or by calling 800-782-8850.

Access to online oil analysis reports coming soon.

Research and

Our 60 plus year commitment to R&D brings continuously improved products and new technology to market. Our expert chemists, engineers, and lab technicians work tirelessly with customers and industry leaders on product development, predictive maintenance, and used oil analysis. Our flexibility, dedication to continuing education and response time set us apart from the competition.


JAX has built a reputation as a worldwide supplier of high-quality, state-of-the-art lubricants. Through the use of the latest lab equipment technology, all raw materials and finished products undergo a complex series of quality control tests to ensure they meet only the highest industry standards.