This Refrigeration Oil is a premium semi-synthetic hydrotreated oil designed for ammonia applications. Our RF9 oil provides high thermal stability for improved resistance to oil break down and extended service intervals. The RF9 oil is less volatile and less soluble in ammonia resulting in decreased oil foaming for better compressor lubrication and lower oil carryover from the oil separator. This oil's higher viscosity results in less bearing wear than pure mineral based naphthenic oils.

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