| 摘要 |
Disclosed is an azeotrope-like composition comprising: from about 2% by weight to about 50% by weight of 1,1,1,3,3-pentafluorobutane, from about 2% by weight to about 50% by weight 1,1,2,2,3,3,4-heptafluorocyclopentane, and an amount effective in dissolving oils and contaminants of trans-1,2-dichloroethylene |
