Lubricating composition containing elemental sulphur for machining metals

摘要

The invention concerns a lubricating composition for machining metals by removing cuttings, containing 0.01 to 0.5 wt. %, relative to the total amount of said ready-for-use lubricant, elemental sulphur having an average particle size ranging between 10 and 1500 nm, and concentrates of said lubricant.