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Hardness Tester for PolyurRubber-hardness tester modified for use on rigid polyurethane foam. Provides objective basis for evaluation of improvements in foam manufacturing and inspection. Typical acceptance criterion requires minimum hardness reading of 80 on modified tester. With adequate correlation tests, modified tester used to measure indirectly tensile and compressive strengths of foam.
Document ID
19870000288
Acquisition Source
Legacy CDMS
Document Type
Other - NASA Tech Brief
Authors
Hauser, D. L. (Martin Marietta Corp.)
Buras, D. F. (Martin Marietta Corp.)
Corbin, J. M. (Martin Marietta Corp.)
Date Acquired
August 13, 2013
Publication Date
June 1, 1987
Publication Information
Publication: NASA Tech Briefs
Volume: 11
Issue: 6
ISSN: 0145-319X
Subject Category
Mechanics
Report/Patent Number
MFS-28147
Accession Number
87B10288
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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