Daido Metal Company Ltd.

Nobukatu Kimura

Takayuki Shibayama

Koue Ohkawa

Katuyosi Mizojiri

A lubricant which is non-polluting and substitutable for conventional lubricants and which is excellent in lubrication characteristics, particularly having low frictional characteristics comprises an aqueous solution containing a saccharide in an amount of 0.5&#x2013;30% by mass based on the total amount of the aqueous solution the saccharide comprising mainly a sucrose and a disaccharide caramel in an amount of 0.2&#x2013;20% by mass based on the amount of the sucrose. As the sucrose, granulated sugar or crystal sugar is preferred, and coffee sugar containing previously a disaccharide caramel can also be used. More preferably, the lubricant contains sodium laurate and/or potassium laurate in an amount of 0.001&#x2013;1% by mass. Furthermore, it is desired that the lubricant contains potassium sorbate in an amount of 0.1&#x2013;3% by mass as a preservative and benzotriazole or an alkali metal salt thereof in an amount of 0.1&#x2013;3% by mass as a rust inhibitor.

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Inuyama, Japan

Nobukatu Kimura