Inadequate understanding and/or control of the polyurethane rigid foam process normally requires five to ten percent overpack of cavities to obtain correct fill and foam characteristics. This practice of overpacking has resulted in excessive waste and cost.
College and Department
BYU ScholarsArchive Citation
Pugsley, Bruce A., "Sensitivity of Process Variables on Rigid Polyurethane Foaming" (1976). Theses and Dissertations. 7173.