Koura’s new lower GWP option for existing R134a MAC systems


United states of america: Refrigerant producer Koura has unveiled its new reduced GWP refrigerant option to R134a in current automotive air conditioning techniques in the United kingdom and Europe.  

Branded Klea 456A, the new R456A refrigerant is a non-flammable mix of R32 (6%), R134a (45%) and R1234ze(E) (49%). It has a GWP of 626, a reduction of 46% in contrast to R134a.

Trials are said to have proven both of those its compatibility with present R134a automotive air conditioning techniques and its functionality match with R134a.

Koura is working with Texa SpA, the Italian imanufacturer of air conditioning recharge stations, to attain EU (CE) and Uk certification for the refrigerant. 

Stefano Menghel, merchandise manager at Texa claimed: “Klea 456A refrigerant signifies an additional improvement in the automotive aftermarket and we are delighted to be functioning with Koura to help provide this products to current market.”

Koura is presently engaging with distributors to provide Klea 456A to industry inside of the Uk and EU.

Ongoing analysis

Brad Hooper, Koura’s professional director EMEAI, preserved that the firm was committed to innovation. “Our ongoing analysis and advancement programme has been a key emphasis for around 15 several years, with item progress element of the company’s ongoing evolution,” he claimed.

Colleague Dave Smith, Koura vice president merchandise administration & technique, promised much more innovations in 2022. “Koura has shown that several of these improvements can make a serious variance to firms, to the natural environment, and to people’s life, and so we are targeted on rolling out these improvements into new apps and supplying them genuine influence.”

In January last calendar year Koura introduced R473A, a refrigerant with a substantially reduced GWP than existing HFCs now becoming used in ultra-small temperature cooling applications. The following month, the Cooling Write-up unveiled that Koura was building an alternate to CO2 in cell air conditioning units and domestic heat pumps with superior efficiencies and reduce functioning pressures. 

Background to R456A

Created by Koura under the enhancement title AC5X, R456A follows a line of impressive Koura refrigerants made as likely automotive refrigerants but in no way made it to market place.

Under its former Mexichem name, Koura created a blend refrigerant, AC6 (R445A), as a alternative for R134a in MAC devices. It received extremely positive critiques, and was claimed to be fewer flammable than R1234yf, but, coming soon after yf, it could not get a foothold in the marketplace.

A sister item AC5 was explained to carefully match the general performance of R134a even though having related flammability features to R1234yf.

AC6 was a blend of R1234ze(E), R134a and CO2 (85%/9%/6%). AC5 (R444A) blended R1234ze(E) with R32 and R152a (83%/12%/5%).

Connected stories:

Koura targets CO2 with new refrigerant22 February 2021
British isles: Koura statements that a new alternate to CO2 could offer better efficiencies and lower functioning pressures in cell air conditioning programs and domestic warmth pumps. Go through more…

New mix could provide alternative to 1234yf24 July 2013
Usa: A new refrigerant blend primarily based about HFO1234ze could be a feasible, significantly less flammable alternative to 1234yf in car or truck air conditioning units. Read through more…



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