SCHMIERMITTEL FUER KUEHLUNG
Compression refrigeration equipment using tetrafluoroethane as a working fluid employs polyoxyalkylene glycols which are at least difunctional with respect to hydroxyl groups and a molecular weight between 300 and 2000. The mixtures of the glycols with the refrigerant will be miscible in the range f...
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Zusammenfassung: | Compression refrigeration equipment using tetrafluoroethane as a working fluid employs polyoxyalkylene glycols which are at least difunctional with respect to hydroxyl groups and a molecular weight between 300 and 2000. The mixtures of the glycols with the refrigerant will be miscible in the range from -40 DEG C. to at least + 20 DEG C. |
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