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Low GWP heat transfer compositions containing difluoromethane, a fluorinated ethane and 1,3,3,3-tetrafluoropropene
Low GWP heat transfer compositions containing difluoromethane, a fluorinated ethane and 1,3,3,3-tetrafluoropropene
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机译:包含二氟甲烷,氟化乙烷和1,3,3,3-四氟丙烯的低GWP传热组合物
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#$%^&*AU2017203245A120170608.pdf#####ABSTRACT Heat transfer compositions, methods and use wherein the composition comprising: (a) from about 5 to about 20% by weight of HFC-32; (b) from about 70% to about 90% by weight of HFO-1 234ze; and (c) from about 5% to less than about 20% by weight of HFC-1 52a and/or HFC-1 34a.
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