AQUEOUS LUBRICANT FOR PLASTIC WORKING OF METAL MATERIAL AND HAVING SUPERIOR GAS CLOGGING RESISTANCE AND POST-MOISTURE ABSORPTION WORKABILITY

摘要

SUMMARY OF THE INVENTION The object of the present invention is to solve the problems of the prior art, and its object is to provide a lubricant composition which is superior in workability to lubricating treatment such as zinc phosphate + soap treatment and the conventional coating type water-based lubricant, workability after moisture absorption, And an object of the present invention is to provide an excellent water-based lubricant for metal working. (A) and / or a salt thereof (B) of tungsten, silicon or phosphorus oxo acid or its condensate and / or its salt and / or its salt as a constituent monomer and / (A) / (D) of the component (A), the component (B), the component (C) and the component (D) (A) + (B) + (C) + (D) is 0.05 to 0.4.