Centrifugal compression refrigerant compositions

Details Centrifugal compression refrigerant compositions Centrifugal compression refrigerant compositions

C - Chemistry, Metallurgy

09

K

C09K 5/04 (2006.01)

Patent

CA 2424842

A liquid refrigerant composition is disclosed which comprises at least 35 % by weight of tetrafluoroethane and at least 20 % by weight of heptafluoropropane such that the sum of the concentrations of heptafluoroethane and heptafluoropropane is at least 90 % by weight of the composition.

La présente invention concerne une composition réfrigérante liquide qui comprend au moins 35 % de tétrafluoroéthane en masse et au moins 20 % de heptafluoropropane en masse de sorte que la somme des concentrations de tétrafluoroéthane et d'heptafluoropropane représente au moins 90 % de cette composition en masse.

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