HFOs

Hydrofluoroolefins (HFOs) bụ ihe ndị na-adịghị eju afọ nke nwere hydrogen, fluorine na carbon. N'adịghị ka hydrofluorocarbons ọdịnala (HFCs) na chlorofluorocarbons (CFCs), nke jupụtara na ya, HFOs bụ olefins, nke a makwaara dị ka alkenes. A na-emepụta HFOs dị ka ihe na-eme ka oyi "ọgbọ nke anọ" nwee obere ike ikpo ọkụ ụwa nke bụ 0.1% nke HFCs. Ngwaahịa HFO nwere obere ndụ ikuku ma a na-ahazi ha dị ka ndị nwere ODP efu (Ozone Depletion Potential) na obere GWP (Global Warming Potential), na-enye ihe ọzọ na-adịghị emerụ gburugburu ebe obibi karịa CFCs, HCFCs na HFCs.
A na-ejikarị ụfụfụ polyurethane nke e ji HFO mee eme ihe dị ka ihe na-afụ ụfụfụ n'ọtụtụ ebe n'ụgbọala na ihe owuwu n'ụdị ụfụfụ na-agbanwe agbanwe ma sie ike na-akwalite uto nke ahịa HFO.