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Development of an improved protective cover/light block for multilayer insulationThe feasibility of using a scrim-reinforced, single metallized, 4-mil Tedlar film as a replacement for the Teflon coated Beta-cloth/single metallized 3-mil Kapton film presently used as the protective cover/light block for multilayer insulation (MLI) on the Orbiter, Spacelab, and other space applications was demonstrated. The proposed Tedlar concept is lighter and potentially lower in cost. Thermal analysis with the proper concept was much simpler than with the present system. Tests have already demonstrated that white Tedlar has low alpha (adsorption) degradation in space from U.V. The proposed concept was 4400 percent cheaper with nominal weight savings of 50 percent.
Document ID
19840007201
Acquisition Source
Legacy CDMS
Document Type
Technical Memorandum (TM)
Authors
Thompson, L. M. (NASA Marshall Space Flight Center Huntsville, AL, United States)
Stuckey, J. M. (NASA Marshall Space Flight Center Huntsville, AL, United States)
Wilkes, D. (NASA Marshall Space Flight Center Huntsville, AL, United States)
Humphries, R. (NASA Marshall Space Flight Center Huntsville, AL, United States)
Date Acquired
September 4, 2013
Publication Date
October 1, 1983
Subject Category
Nonmetallic Materials
Report/Patent Number
NAS 1.15:82563
NASA-TM-82563
Report Number: NAS 1.15:82563
Report Number: NASA-TM-82563
Accession Number
84N15269
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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