Alkylbenzene  Synthetic Blend Compressor  Lubricant designed to work with Chlorofluorocarbon (CFCs), Hydrochlorofluorocarbon (HFCs) refrigerants like R11, R12, R13, R22, R113, R114, R123, R124, R401a, R401b, R402a, R402b, R403b, R406a, R408a, R409a, R500, R502, R503; & R717 (NH3 aka ammonia) DX and liquid overfeed industrial refrigeration systems. Compatible with other AB oils, PAO’s and mineral oils. Compatible with all seals & o-rings in ammonia compressors. Suitable for use in rotary screw and reciprocating refrigeration compressors.