Fuchs RENOLIT ST-80 is a high-performance lithium 12-hydroxy lubricating grease formulated with premium mineral base oil, a proprietary additive system, and PTFE (polytetrafluoroethylene). Manufactured by Fuchs Lubricants Co. in Harvey, Illinois, the ST-80 is engineered for heavy industrial applications subject to heat, heavy loads, shear stress, and water exposure.