Rocol® 35:1 Longlife Solube Oil Concentrate is an extreme pressure soluble oil water-mix cutting fluid formulated to give a long predictable sump life. It provides exceptional performance in medium / severe cutting operations on a wide range of ferrous & non ferrous metals. Rocol® 35:1 Soluble Oil provides a combination of extreme pressure performance & long sump life that permits increased machining rates & true cost efficiency. Applications: Manual lathes, saws & other machine tools, CNC controlled machine tools. Recommended dilution - should be used between 20: 1 & 40:1 depending on severity of the operation, workpiece material & water hardness.