| Properties of the refrigerant oil |
| The main properties have high dissolving power with refrigerant, good lubricating properties, acid-free and very low in water content. |
| The poly-alkylene-glycol (PAG) oils which are suitable for the refrigerant R134a are strongly hygroscopic (water retentive) and cannot be mixed with other oils. Therefore, to ensure protection against penetrating humidity immediately close opened cans. Refrigerant oil is contaminated by humidity and acids; it becomes dark, viscous and corrodes metals. |
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