| 摘要 |
The present disclosure relates to non-ignitable gaseous compositions comprising difluoromethane and tetrafluoroethylene. When the pressure is at least 150 psig, the molar percentage of tetrafluoroethylene in the non-ignitable gaseous composition is no more than 111.6−0.124X. When the pressure is less than 150 psig, the molar percentage of tetrafluoroethylene in the non-ignitable gaseous composition is no more than 102−0.06X. X is the pressure in the unit of psig. The present disclosure also provides processes for making such non-ignitable gaseous compositions. Also disclosed are azeotropic compositions of TFE and HFC-32. |
