| 摘要 |
A refrigerant composition consisting essentially of a hydrofluorocarboii component consisting of a mixture of:(a) R134a and R125; (b) R134a, R125 and R143a; (c) R125 and R143a; (d) R134a, R227ea and R125 and an additive selected from a saturated or unsaturated hydrocarbon or mixture thereof: (e) isopentane and butane; (f) isopentane, butane and isobutane; d) butane and isobutane. |
