Synthetic, high-viscous refrigeration oil based on special polyalkylene glycols (PAG), which offer excellent miscibility with R134a. RENISO PAG 220 C was specially developed for use in R134a screw compressors. Its main application is in heat pumps and expanders. RENISO PAG 220 C can also be used with the refrigerants R236fa, R227ea, R245fa, and R744 (CO2 ).
