For use with high-pressue vane, piston or gear pumps. Applicable to sensitive hydraulic circuits requiring absolute filterability of the fluid (very fine servo valve play) i.e. plastic moulding machines. Any hydraulic system where the risk of contamination of the environment and waters exists. Any application where an anti-wear, high-performance oil is necessary: various movements, plain bearings and rolling bearings, reducers under low load, etc. Lubrication of circuits in which the presence of water is accidental: machine tools, farm and food products industries, paper mills, steel manufacturing etc.