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Polyglycol
| Глоссарий терминов смазочных материалов |
A polymer of ethylene glycol (c2h602) used as a synthetic base stock; water-soluble polyglycols serve as thickeners or anti-freezes in fr fluids; insoluble forms are used as heat transfer and hydraulic fluids or hightemperature bearing oils.
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Polyglycols, английский
Polymers of ethylene or propylene oxides used as a synthetic lubricant base. properties include very good hydrolytic stability, high viscosity index (vi), and low volatility. used particularly in water emulsion fluids.
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Polyolesters, английский
A class of synthetic esters formed by reacting fatty acids with a polyol such as glycol; physical properties vary according to the polyols and acids used. polyolesters formulated as lubricants have low volatility and good
Polyesters, английский
Synthetic resins, usually obtained from polymerization of a dibasic acid with a dihydric alcohol, not usually used as lubricant stocks. (see diesters).
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