Metalworking fluids (MWFs) refer to a variety of oils and other fluids used to lubricate and/or cool metal parts during grinding, machining, milling, or other processes. Metalworking Fluid Additives fall into 4 basic categories Straight/Cutting/Neat Oils, Soluble/Emulsifiable Oils), Semi-Synthetic Fluids, and Synthetic Fluids. To know more about metalworking additives visit lubeperformanceadditives.com/polarline.