发明申请
US20130020528A1 Low GWP Heat Transfer Compositions Containing Difluoromethane And 1,3,3,3-Tetrafluoropropene 有权
含有二氟甲烷和1,3,3,3-四氟丙烯的低GWP传热组合物

Low GWP Heat Transfer Compositions Containing Difluoromethane And 1,3,3,3-Tetrafluoropropene
摘要:
Heat transfer compositions, methods and use wherein the composition comprising: (a) from about 5 to about 20% by weight of HFC-32 and (b) from about 80% to about 95% by weight of HFO-1234ze.
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