| 摘要 |
PURPOSE:To provide a new composition free from the problem of ozonosphere destruction. CONSTITUTION:The objective azeotropic composition or pseudo-azeotropic composition of fluorinated hydrocarbon is composed of 1,2,3,3,4,4,5,5- octafluorocyclopentane and ethanol. The composition is free from ozonosphere destruction problem and useful as a cleaning solvent and a draining and drying solvent. |
