UK: Refrigerant manufacturer and supplier Mexichem has announced the availability of R407H, a lower GWP alternative to R404A, following a tie-up with Daikin.

R407H was developed by Daikin and launched in Europe earlier this year. It is promoted as a lower GWP alternative to refrigerants including R404A and R507 in medium and low temperature applications.

It is thought that Daikin will use Mexichem’s established European sales and distribution channels. Daikin currently sells a range of refrigerants under the Daikin brand in the Far East, US and India, but has no similar presence in Europe, despite the purchase of German refrigerant business Solvay in 2015

Mexichem said it will sell the new refrigerant as Klea 407H, but wouldn’t comment further on the details of its partnership with Daikin at this time.

R407H is a blend of R134a, R32 and R125 and has a GWP of 1495. It was accepted under the US SNAP programme in July but is awaiting formal approval by most compressor manufacturers.

Daikin maintains that R407H can, in certain cases, be used as a “drop in” solution. In comparative tests, conducted by various equipment manufacturers and universities, R407H is said to have exhibited an equivalent efficiency to R404A at low temperature, and efficiency improvements at medium temperature. It also has a similar working pressures to R404A.

“The move away from higher GWP refrigerants is gathering pace, and the F-gas quota reductions due in January 2018 makes finding reliable, accessible alternatives to refrigerants such as R404A a priority for the industry,” commented Sarah Hughes, EMEAI commercial director for Mexichem’s fluor business group. “We are delighted to partner with Daikin in offering Klea 407H, which provides an effective combination of performance and lower GWP to meet this need with minimal retrofit requirements for the refrigeration market.”

Mexichem said the deal was not linked to the recent sale of its UK R125 manufacturing business.

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