chemical substances – additives – are added to the base oil in order to meet the quality requirements for the end products in terms of, for example, friction and cleaning properties. certain types of motor oils contain more than twenty percent additives. ...
chemical substances – additives – are added to the base oil in order to meet the quality requirements for the end products in terms of, for example, friction and cleaning properties. certain types of motor oils contain more than twenty percent additives. ...