One of our Chemists, Raul Dacomba, wrote a white paper for Appliance Design.
Change is a certainty in this world, and the appliance industry is no exception. Regulatory mandates are imposing yet another transition to a new generation of polyurethane foam blowing agents. The legislation states that Hydrofluorocarbons (HFCs) and blends will be unacceptable for use starting January 2020. Refrigerant use will be unacceptable starting January 2021.
A blowing agent is one of many key ingredients used to manufacture polyurethane foams; their inherently low thermal conductivities are a desired trait. Before delving into specifics on the future of appliance foams, it is important to understand the history of blowing agents.
For further information, we recommend reading: