Craig, I don't think so, looking at this:
https://www.engineeringtoolbox.com/refrigerants-d_902.html ------------- Max Charleston SC On Tue, Aug 28, 2018 at 3:57 PM Craig via Mercedes <mercedes@okiebenz.com> wrote: > > Isn't there an "R" number for the propane/isobutane mixture? > > http://www.diligentinstruments.com/di-517.html says, > --------------------------------------- > Built-in 89 kinds of refrigerant NIST:According to American NIST > standard > R11 R113 R114 R115 R116 R12 R123 R124 R125 R1270 R13 R134A R14 R141B > R142B R143A R152A R170 R21 R218 R22 R227EA R23 R236EA R245CA R245FA R290 > R32 R401A R401B R401C R402A R402B R403A R403B R404A R405A R406A R407A > R407B R407C R407D R407E R408A R409A R409B R41 R410A R410B R411A R411B > R412A R413A R414A R414B R415A R415B R416A R417A R418A R419A R420A R421A > R421B R422A R422B R422C R422D R423A R424A R425A R426A R427A R428A R50 > R500 R501 R502 R503 R504 R507A R508A R508B R509A R600 R600A R717 R744 > (Co2) R1234 > --------------------------------------- > > _______________________________________ http://www.okiebenz.com To search list archives http://www.okiebenz.com/archive/ To Unsubscribe or change delivery options go to: http://mail.okiebenz.com/mailman/listinfo/mercedes_okiebenz.com