| 摘要 |
<p>An alternative refrigerant to chlorofluorocarbons having the properties of being nontoxic, non-corrosive, nonflammable and safer to the environment including a blend of one or more of fluorocarbons known in the industry as R-1216 and R-22 and/or R-218 and one or more of the hydrocarbons identified as C1 through C6 on the carbon chain. <IMAGE></p> |
