LUBRICANT FOR USE IN PRESS WORKING OF A METAL MATERIAL AND A PRESS WORKING METHOD OF A METAL MATERIAL USING THE SAME

摘要

A non-chlorine type lubricant in which a sulfur type extreme pressure additive, an organic zinc compound, a calcium type additive, and an ester compound are blended with a base oil for the lubricant, and having a kinetic viscosity from 5 to 50 mm²/s at 40° C.