Talk:Red List building materials

Removed "HFCs such as R-410A have high global warming potential, whereas that of propane (R-290) is only 3. It will be phased out soon under the Montreal Protocol, to be replaced by other refrigerants with lower ozone depletion potential such as propane (R-290), R-410A (an azeotropic mixture of difluoromethane and pentafluoroethane), R-507A, R-134a (1,1,1,2-tetrafluoroethane) and R-409A. " as it was self-contradicting (R-410A as high and low potential). Perhaps it can be repaired?