NASA NTRS · 19700000337
Open-celled polyurethane foam
Abstract
Open-celled polyurethane foam has a density of 8.3 pounds per cubic foot and a compressive strength of 295 to 325 psi. It is useful as a porous spacer in layered insulation and as an insulation material in vacuum tight systems.
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Russell, L. W.. 1970-09-01. Open-celled polyurethane foam. https://ntrs.nasa.gov/citations/19700000337
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