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UNEP, 2012. Handbook for the Montreal Protocol on Substances that Deplete the Ozone Layer (Ninth Edition), United Nations Environment Programme (UNEP), Ozone Secretariat, Nairobi, Kenya UNEP, 2015. 2014 Report of the Refrigeration, Air-Conditioning and Heat Pumps Technical Options Committee, United Nations Environment Programme (UNEP), Nairobi, Kenya UNEP, 2017. Decision XXVIII/4 Task Force Report Safety Standards for Flammable Low Global-Warming-Potential (GWP) Refrigerants, United Nations Environment Programme (UNEP), Ozone Secretariat, Nairobi, Kenya. Report of the Technology and Economic Assessment Panel, May 2017, Volume 3. Website AHRI, 2013. Site for Low-GWP AREP Test reports: www.ahrinet.org/ resources/research tab - then AHRI Low-GWP Alternate Refrigerants Evaluation Program for list of downloadable test reports ANNEX I to Chapter 2 Data summary This Annex summarizes physical, safety, and environmental data for refrigerants with a safety classification in ISO 817 (ISO 817:2014) or ASHRAE 34 (ASHRAE 34-2016). Table 2.I-1 covers single component refrigerants; Table 2.I-2 is the summary for zeotropic refrigerant blends, while Table 2.I-3 covers azeotropic refrigerant blends. Refrigerants which are new since the 2014 RTOC Assessment Report and changes in GWP values are highlighted in yellow. Table 2.I-1: Data summary for single component refrigerants Methane series CFC-11 CCl3F CFC-12 CCl2F2 CFC-13 CClF3 BFC-13B1 CBrF3 PFC-14 CF4 HCFC-22 CHClF2 HFC-23 CHF3 HCC-30 CH2Cl2 HFC-32 CH2F2 HC-50 CH4 trichlorofluoromethane 137.4 dichlorodifluoromethane 120.9 chlorotrifluoromethane 104.5 bromotrifluoromethane 148.9 24 0.006 2 NF –30 0.088 NF –81 ND NF –58 ND NF A1 52 A1 102 A1 640 A1 72 A1 50000 A1 12 A1 228 0.26 5 160 7 090 1 0.32 10 300 10 800 0.73 0.25 13900 10900 1 tetrafluoromethane (carbon tetrafluoride) chlorodifluoromethane trifluoromethane dichloromethane (methylene chloride) difluoromethane (methylene fluoride) methane 88.0 86.5 70.0 84.9 52.0 16.0 –128 –41 –82 40 –52 –161 0.40 NF 0.21 NF 0.15 NF 0.30 6 670 0.09 6 630 0.21 1 780 0.18 12 690 7 930 15.2 4 880 5 310 0.034 11 085 ND NF 0.30 0.307 A2L 5.4 0.03 9 33 B1 0.4 ND 0.032 A3 12.4 3.63e- 4 30 b 0.11 704 2 530 85 b 2018 TOC Refrigeration, A/C and Heat Pumps Assessment Report 55 Refrigerant Designation Chemical Formula Chemical Name Molecular Weight (kg/kmol) Boiling Point (°C) ATEL/ODL (kg/m3) LFL (kg/m3) Safety Class Atmospheric Lifetime (Years) Radiative Efficiency (W/m/ ppm) GWP 100 Year GWP 20 Year ODPPDF Image | Heat Pumps Technical Options
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