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Plastic Foam Withstands Greater Temperatures And PressuresImproved plastic foam suitable for use in foam-core laminated composite parts and in tooling for making fiber/matrix-composite parts. Stronger at high temperatures, more thermally and dimensionally stable, machinable, resistant to chemical degradation, and less expensive. Compatible with variety of matrix resins. Made of polyisocyanurate blown with carbon dioxide and has density of 12 to 15 pounds per cubic feet. Does not contibute to depletion of ozone from atmosphere. Improved foam used in cores of composite panels in such diverse products as aircraft, automobiles, railroad cars, boats, and sporting equipment like surfboards, skis, and skateboards. Also used in thermally stable flotation devices in submersible vehicles. Machined into mandrels upon which filaments wound to make shells.
Document ID
19930000254
Acquisition Source
Legacy CDMS
Document Type
Other - NASA Tech Brief
Authors
Cranston, John A.
(Martin Marietta Corp.)
Macarthur, Doug
(Martin Marietta Corp.)
Date Acquired
August 16, 2013
Publication Date
May 1, 1993
Publication Information
Publication: NASA Tech Briefs
Volume: 17
Issue: 5
ISSN: 0145-319X
Subject Category
Materials
Report/Patent Number
MFS-28711
Accession Number
93B10254
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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