Refrigerator lubricating oil and mixed composition for refrigerator
The refrigerator lubricating oil includes: a base oil, the main component of which is a polyol ester (A) of C3-C18 fatty acids (a1) and of a polyol (a2) that is selected from among neopentyl glycol, trimethylolethane, trimethylolpropane, trimethylolbutane, pentaerythritol, and dipentaerythritol; and...
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Format: | Patent |
Sprache: | chi ; eng |
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