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T1 Update on New Refrigerants Designations and Safety Classifications - Factsheet
T2 Actualización sobre Nuevas Designaciones para Refrigerantes y Clasificaciones de Seguridad - Hoja Informativa 1
A1 United Nations Environment Programme, 
A1 American Society of Heating, Refrigerating and Air-Conditioning Engineers
K1 refrigerant
K1 refrigeration
K1 classification
K1 standard
YR 2023
FD 2023-04
LK https://wedocs.unep.org/handle/20.500.11822/29025
UL https://wedocs.unep.org/handle/20.500.11822/29025
NO The purpose of this fact sheet is to provide an update on ASHRAE standards for refrigerants and to introduce the new refrigerants that have been awarded an «R» number over the last few years and introduced into the international market.
DS UN Environment Document Repository
RD Sep 18, 2026