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Alternative refrigerants – overview HFO and HFO/HFC Blends 09.20 Current Refrigerants Alternatives ASHRAE Trade name Composition Detailed Classification (with blends) Information R134a R1234yf 1 R1234ze(E) 1 R450A R456A R513A R516A various various Solstice® N-13 AC5X OpteonTM XP10 R513A ARM-42 Honeywell Koura (Mexichem) Chemours Daikin Chemical Arkema – – R1234ze(E)/134a R32/1234ze(E)/134a R1234yf/134a R1234yf/152a/134a pages 24...27, 42...44 R404A/R507A* (R22/R407C*) R448A R449A R449C Solstice® N-40 OpteonTM XP40 Forane® 449 OpteonTM XP20 Honeywell Chemours Arkema Chemours R32/125/1234yf/1234ze(E)/134a R32/125/1234yf/134a pages 24...27, 42...44 R32/125/1234yf/134a R410A R32 1 R452B 1 R454B 1 various OpteonTM XL55 Solstice® L-41y OpteonTM XL41 Chemours Honeywell Chemours – R32/125/1234yf pages 24...27, 42...44 R32/1234yf * Due to the large number of different HFO/HFC blends and the potential changes in development products, the above list contains as alternatives for R134a and R404A/R507A only non-flammable blends of GWP approx. 600 (R134a) and GWP < 1500 (R404A/R507A). For an extensive discussion of HFO/HFC blends: see chapter "Low GWP" HFOs and HFO/HFC blends as alternatives to HFCs, page 24. Further alternatives are also dealt with. Tab. 2 "Low GWP" refrigerants and blends Halogen free refrigerants 09.20 Current Refrigerants Alternatives ASHRAE Trade name Formula Detailed Classification Information R134a R290/600a 1 – C3H8/C4H10 pages R600a 1 3 – C4H10 30, 42...44 R404A R507A R22 R717 1 2 – NH3 R723 1 2 – NH3 + R-E170 pages R290 1 R1270 1 – C3H8 28...32, 42...44 – C3H6 R124 R600a 1 – C4H10 pages 37, 42...44 R410A no direct alternatives available R23 R170 1 – C H pages 2 6 39, 42...44 Various R744 3 – CO2 pages 33...36, 42...44 Tab. 3 Alternatives for HCFC and HFC refrigerants (halogen free refrigerants) Explanation of Tab. 1 to 3 1 Flammable 2 Toxic 3 Large deviation in refrigerating capacity and 4 Service refrigerant pressures to the previous refrigerant with zero ODP 5PDF Image | REFRIGERANT REPORT 21
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