Castrol Spheerol SY Range are lithium complex thickened lubricating greases based on synthetic base fluid. The grease contains antioxidants, corrosion inhibitors and Extreme Pressure / Anti Wear additives. The thickener, together with the synthetic base fluid, make the products suitable for various types of bearing applications including high and low temperature applications. The complex soap structure also gives the products a high degree of mechanical stability.