Summit RAB-68 synthetic refrigeration oil is an alkylate based and formulation for use in reciprocating, rotary, and centrifugal refrigeration compressors using ammonia, R12, R22, R114 and R502. This product is extremely stable at high compression temperatures while providing excellent low temperature properties at evaporator temperatures below -50°F. Other performance benefits include excellent solubility with refrigerants, good compatibility with construction materials, extended service life, and reduced deposit formations in high and low temperature areas.
RAB-68 synthetic refrigeration compressor oil is recommended for reciprocating, rotary, and centrifugal refrigeration compressors using ammonia, R12, R22, R114, and R502 as the refrigerant. It’s compatible with conventional mineral oils and most construction materials, including Viton®, Neoprene®, and Buna-N.