USA: Honeywell has introduced it will likely be promoting Solstice 456A, a brand new decrease GWP drop-in substitute for R134a in automobile air-con methods.
Whereas Honeywell makes no point out of its chemical parts, apart from it being “HFO-based”, the fuel is assumed to be R456A, the refrigerant mix developed and beforehand introduced by rival firm Koura.
Koura has thus far failed to answer requests for clarification from the Cooling Put up. Honeywell mentioned it didn’t publicly disclose details about licensing or gross sales agreements.
Honeywell, which holds patents on R1234yf, the refrigerant adopted to be used in all new autos, says that Solstice 456A will likely be commercially obtainable to the European automotive aftermarket later this yr.
Following its profitable passage by means of the ASHRAE classification course of, R456A was unveiled by Koura as its new decrease GWP refrigerant various to R134a in present automotive air-con methods within the UK and Europe in January.
R456A is a non-flammable mix of R32 (6%), R134a (45%) and R1234ze(E) (49%). It has a GWP of 626. Trials are mentioned to have confirmed each its compatibility and efficiency match with R134a in present automotive air-con methods.
In its press launch, Honeywell says that Solstice 456A “supplies an easy-to-use, economical, drop-in service answer for autos manufactured earlier than 2017”.
Saying its forthcoming availability, Honeywell’s automotive refrigerants vice chairman and normal supervisor, mentioned: “With greater than 200 million vehicles on the roads in Europe nonetheless utilizing R134A, there’s a want out there for a sustainable and economical product to assist auto restore outlets servicing these autos.”
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