| 摘要 |
<p>There are disclosed compositions for use as extreme pressure lubricants for use in general machinery as well as in the refrigerant of air conditioners, refrigerators and heat pumps. The compositions are designed to lubricate moving parts of machinery. In its broadest aspect the invention comprises a metal conditioner containing a lubricating oil and a bismuth compound. A further embodiment involves a lubricating oil, a bismuth compound and a molybdenum compound. The lubricating compounds can be added to a refrigerant gas.</p> |
