NASA NTRS · 19750000110
Cryogenic line insulation made from prefabricated polyurethane shells
Abstract
Prefabricated polyurethane foam insulation is inexpensive and easily installed on cryogenic lines. Insulation sections are semicircular half shells. Pair of half shells is placed to surround cryogenic line. Cylindrically-shaped knit sock is pulled over insulation then covered with polyurethane resin to seal system.
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Lerma, G.. 1975-06-01. Cryogenic line insulation made from prefabricated polyurethane shells. https://ntrs.nasa.gov/citations/19750000110
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