LUBRICATING OIL COMPOSITION FOR METAL PLASTIC WORKING

摘要

PURPOSE: To obtain a metal plastic working oil excellent in many properties and performances required for metal plastic working oil agent, e.g. lubricating property, workability and low polluting property as well as saving of resource, energy saving and economical efficiency. CONSTITUTION: This lubricating oil composition contains 1.0-80wt.% alkaline earth metal salt of an aromatic carboxylic acid or/and an alicyclic carboxylic acid having >=50mg-KOH/g basic valence. The aromatic carboxylic acid includes at least one kind of compound selected from an aromatic monocyclic carboxylic acid having a 1-20C straight-chain or a branched alkyl group and an aromatic polycyclic carboxylic acid having the same alkyl group.