... 5, Friendly to the environment Characteristics:R22 is a colorless gas at room temperature, and a colorless, non-toxic, non- ... stabilities and non-corrosive to metals. Its main applications include refrigerant(-80°C grade), raw materials for PTEE production and intermediate ... 0001Residue on evaporation,≤%: 0.01 The annual sales of Jindian refrigerant are over 300,000 cylinders, and the whole weight is ...