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Elastomer Compatible With OxygenArtificial rubber resists ignition on impact and seals at low temperatures. Filled fluoroelastomer called "Katiflex" developed for use in seals of vessels holding cold liquid and gaseous oxygen. New material more compatible with liquid oxygen than polytetrafluoroethylene. Provides dynamic seal at -196 degrees C with only 4 times seal stress required at room temperature. In contrast, conventional rubber seals burn or explode on impact in high-pressure oxygen, and turn hard or even brittle at liquid-oxygen temperatures, do not seal reliably, also see (MFS-28124).
Document ID
19870000179
Acquisition Source
Legacy CDMS
Document Type
Other - NASA Tech Brief
Authors
Martin, Jon W.
(TRW Corp.)
Date Acquired
August 13, 2013
Publication Date
April 1, 1987
Publication Information
Publication: NASA Tech Briefs
Volume: 11
Issue: 4
ISSN: 0145-319X
Subject Category
Materials
Report/Patent Number
MFS-28129
Accession Number
87B10179
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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