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Blends - R403B

Name: Blends - R403B
Creator: UK Department for Energy Security and Net Zero (DESNZ)
License: https://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/

Direct emissions Fugitive emissions and refrigerants Fugitive releasesUP··partAverage

4,457kgCO₂e/kgGWP: AR5 (as published)

Published by UK Department for Energy Security and Net Zero (DESNZ) in UK Department for Energy Security and Net Zero (DESNZ) 2026 (Any year); last verified 2026-08-28.

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Values by year and methodology


Any year	4,457▣headline

Cite this factor

open-climate.ai (n.d.). Blends - R403B [emission factor]. UK Department for Energy Security and Net Zero (DESNZ), UK Department for Energy Security and Net Zero (DESNZ) 2026. Dataset 2026-08-28. Retrieved 2026-09-25. https://open-climate.ai/factors/ef-desnz-blends_r403b-gb-kg-fugitive-673a4c7b