Highly-refined, naphthenic refrigeration oils for use with R22 and NH 3 refrigerants. Very good flowability at low temperatures ensures continuous heat transfer and enhanced system efficiency of NH 3 flooded evaporation systems. High chemical and thermal stability with ammonia. Suitable also for hydrocarbon gases. Fulfills and exceeds DIN 51503 KAA (non-miscible with ammonia), KC and KE. RENISO KC 68 is NSF H2 registered.
