Application notes: The ester base oil of Unirex S 2 is not compatible with many common elastomer seal materials. For example, it may cause a softening or swelling of NBR seals. It is recommended that the equipment manufacturer or your ExxonMobil representative be consulted regarding seal compatibility in a specific application.
Unirex S 2 is recommended by ExxonMobil for severe applications including:
- Conveyor bearings in kilns and ovens
- Steel mill ladle bearings
- Jet aircraft starter clutch assemblies
- Critical oven bearings in Fiberglas manufacture