Refrigerants Americas > Products > HFCs > Genetron® AZ-20®

Genetron® AZ-20®

Widely accepted to replace R-22 in air conditioning and refrigeration applications. For new equipment — not for retrofits.

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    General Information

    • ASHRAE #R-410A
    • ClassHFC
    • Refrigerant TypeAzeotropic mixture
    • Typical LubricantPOE
    • SubstitutesHCFC-22
    • ContainsHFC-32 (50%), HFC-125 (50%)
    • GlideNear zero glide
    • NotesHigh pressure, high efficiency refrigerant designed for new equipment. NOT FOR RETROFITTING.

    Physical Properties

    • Chemical NameDifluoromethane, Pentafluoroethane
    • Chemical NotationCH2F2, CF3CHF2
    • Molecular Weight (lbm/lbmol)72.6
    • Boiling Point @ 1 Atm, (°F)-60.6
    • Freezing Point @ 1 Atm, (°F)-247
    • Critical Temperature (°F) (ASTM D-1321)160.44
    • Critical Pressure* (psia)711.07
    • Saturated Liquid Density @ 86°F, (lb/ft3)64.5
    • Specific Heat of Liquid @ 86°F, (Btu/lb•°F)0.42
    • Specific Heat of Vapor @ Constant Pressure* (Cp), @ 86° and 1 Atm, (Btu/lb•°F)0.17
    • Flammable range, %vol. in air (Based on ASHRAE Standard 34 with Match Ignition)None
    • ANSI/ASHRAE Standard 34-1992 Safety Group ClassificationA1