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Hydrofluoroether HFE-254

HFE-254 chemical name: 1,1,2,2-tetrafluoroethyl methyl ether, with zero ODP value and low GWP value, has a lifespan of only 0.22 years in the atmosphere, has little impact on the environment, and its various indicators are similar to those of CFCs. It is in line with traditional foaming process habits and is an ideal choice for long-term alternatives to CFCs and HCFC-141. It is an environmentally