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    Design Considerations for Sustainable Extruded Polystyrene (XPS) Thermal Insulation

    Published: Jan 2014

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    Extruded polystyrene (XPS) foam has been a useful and cost-effective thermal insulation for commercial and residential buildings for over 50 years. Producers have responded to a variety of factors, such as environmental regulations, building codes, and energy costs, to obtain effective alternative XPS products. This paper reviews XPS insulation formulations with blowing agents, HFC-134a and HFC-152a, that have long-term thermal performance to meet or exceed current codes. The developed XPS insulations have a zero ozone-depletion potential and provide a sustainable benefit to society.


    sustainable XPS foam, thermal insulation, greenhouse gas

    Author Information:

    Smith, Roy E.
    Dow Chemical Company, Midland, MI

    Alcott, Jeffrey M.
    Dow Chemical Company, Midland, MI

    Mazor, Michael H.
    Dow Chemical Company, Energy and Climate Change, Midland, MI

    Committee/Subcommittee: C16.90

    DOI: 10.1520/STP157420130089

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