Petrovöll REFRIGERATION Oil is a high quality naphthenic oil especially formulated and manufactured for reciprocating and rotatory refrigeration compressors. It offers maximum trouble-free service life, excellent chemical and thermal stability, low wax content, low pour point, high dielectric strength, proper viscosity, and absence of contamination. It is also highly resistant to oxidation and deposit formation and is recommended for use in all types of refrigeration compressors and are miscible with all refrigerants except sulphur dioxide.