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Accelerated equipment reliability evaluation of R-13I1 (CF3I) in R-466A.

Number: 1009

Author(s) : KUJAK S., SORENSON E.

Summary

R-466A is a nonflammable lower global warming potential (GWP) replacement for R-410A which utilizes R- 13I1 (trifluoroiodomethane, CF3I) in a blend with R-32 and R-125. R-13I1 is not a new molecule, but it has chemical stability concerns as a consequence of the iodine atom. These concerns have hindered the implementation of R-466A in commercial HVAC products. Halogenated refrigerant chemical stability generally follows the rule that fluoride substitutions are more stable than chlorine, then bromine, and finally iodine being least stable. In this paper, the authors will summarize highly accelerated life test results (HALT), ASHRAE 97 sealed glass tube methodology, for R13I1 and materials compatibility of select elastomers and polymers. Also provided are the chemical stability of R-466A results of accelerated life test equipment (ALT) testing using optimized materials and additives that show R-466A is a viable option for use.

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Pages: 7

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Details

  • Original title: Accelerated equipment reliability evaluation of R-13I1 (CF3I) in R-466A.
  • Record ID : 30028778
  • Languages: English
  • Subject: HFCs alternatives
  • Source: 2nd IIR Conference on HFO Refrigerants and Low GWP Blends
  • Publication date: 2021/06
  • DOI: http://dx.doi.org/10.18462/iir.HFO.2021.1009

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