New lubricant for forging in the form of a powder or a compacted powder

Abstract

The present invention relates to a lubricating composition for forging in the form of a powder or a compacted powder including: one or more dicarboxylic acid(s) chosen among adipic acid, phthalic acid, isophthalic acid, terephthalic acid, sebacic acid, succinic acid and suberic acid; and one or more base(s) chosen among sodium carbonate, sodium bicarbonate, potassium carbonate and potassium bicarbonate, the dicarboxylic acid(s)/base(s) molar ratio ranging between 0.8 and 1.2.

Dependencies are inferred from the claim text.