| 摘要 |
A non-flammable ternary liquid cleaner, comprising: i) A first solvent being a hydrofluorocarbon. ii) A second solvent being a dichloroethylene iii) A third solvent being a hydrochlorofluorocarbon having low flammability The first solvent is present in a concentration of 10 % to 80 % by weight, the second solvent in present in a concentration of 10 % to 60 % by weight and the third solvent is present in a concentration of 10 % to 40 % by weight of the cleaner. |
