| abstract |
In particular, the present invention provides a water-soluble metal working lubricant which is suitably used for aluminum press working and has excellent workability and degreasing property. An organic compound comprising: (A) water of 85% by mass or less, (B) a carboxylic acid residue having a total carbon number of 8 or more, and an acid / alkali molar ratio of 1: 0.5 to 1.1. 5 to 75% by mass of a metal carboxylate, (C) a metal salt of an organic phosphoric acid ester, a metal salt of an organic phosphite, a metal salt of an organic phosphonic acid, or a metal organic borate having an alkyl group having a total carbon number of 8 or more A water-soluble metal working lubricant containing 1 to 50% by mass of at least one metal salt selected from salts and (D) 10 to 80% by mass of a nonionic surfactant. [Selection diagram] None |