Neat oils can vary from very light to heavy in viscosity and are often fortified with extreme pressure (EP) and lubricity? additives to handle the most severe cutting applications.

• 油性金属切削油的粘度，根据要求，可以很高，也可以很低，而且通常含有极压(ep)添加剂和油性添加剂以增强加工性能，以便能够处理最严酷的切削加工。