| 摘要 |
The object of the present invention is to provide a cutting oil composition excellent in solubility, lubricity, cutting properties, antirust ability, safety, and washing ability and reduced in foaming, and for that purpose, an N-acylamino acid having a long chain acyl group and/or a salt thereof, or an N-alkylamino acid having a long chain alkyl group and/or a salt thereof is used concurrently with an alkylalkylene oxide and/or an acylalkylene oxide.
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