Refrigerant, cleaning solvent. Blowing agent for making Rigid Polyurethane Foam. non-ODS, low GWP. replacement of CFC, HCFC. ... risk, low toxicity. It can be widely used in polyurethane foam, cleaning agents, refrigerants.The advantages of application of ... in centrifugal chiller), Energy conversion, two levels of refrigeration system, some phase conversion and sensible heat application. With a ...