Refrigeration Compressor Oils

KAA -Refrigeration oils not miscible with ammonia mineral oils andor synthetic oils - based on polyalphaolefins. (PAO) or alkyl benzene (AB) or hydrogenated mineral oils. In most cases, highly-refined, naphthenic refrigeration oils are used for KAA products. Hydrogenated mineral oils and PAO get more and more important. KAB -Refrigeration oils miscible with ammonia – generally polyalkylene glycol (PAG). The water content of fresh PAG lubricants used in ammonia applications should not exceed 350 ppm.