Transcription of Polyurethanes Blowing agent options for insulation foam ...
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Polyurethanes Blowing agent options for insulation foam ...
PolyurethanesBlowing agent options for insulation foamafter hcfc phase outHCFC phase outIn 1987, the Montreal Protocol was signed to protectthe ozone layer by phasing out the production ofa number of substances responsible for ozonedepletion such as CFCs (chlorofluorocarbons) andHCFCs (hydrochlorofluorocarbons). CFCs have beenphased out since 1996 in industrialised countries,and recently in developing of their lower ODP (Ozone Depletion Potential),HCFCs have been an established intermediate alternativeto CFCs. In regions such as the European Union or theUnited States of America, the use of HCFC141b in foamapplications has been banned for almost a decade.
HCFC phase out In 1987, the Montreal Protocol was signed to protect the ozone layer by phasing out the production of a number of substances responsible for ozone
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