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NASA-STD-6001B Test 7: Impact of Test Methodology and Detection Advancements on the Obsolescence of Historical Offgas Data

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Date
2017-07-16
Author
Buchanan, Vanessa
Harper, Susana
Woods, Brenton
Beeson, Harold
Perez, Horacio
Ryder, Valerie
Pedley, Michael
Tapia, Alma Stephanie
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Abstract
NASA-STD-6001B states “all nonmetals tested in accordance with NASA-STD-6001 should be retested every 10 years or as required by the responsible program/project.” The retesting of materials helps ensure the most accurate data are used in material selection. Manufacturer formulas and processes can change over time, sometimes without an update to product number and material information. Material performance in certain NASA-STD-6001 tests can be particularly vulnerable to these changes, such as material offgas (Test 7). In addition, Test 7 analysis techniques at NASA White Sands Test Facility were dramatically enhanced in the early 1990s, resulting in improved detection capabilities. Low level formaldehyde identification was improved again in 2004. Understanding the limitations in offgas analysis data prior to 1990 puts into question the validity and current applicability of that data. Case studies on Super Koropon® and Aeroglaze® topcoat highlight the importance of material retesting.
Citable Link
http://hdl.handle.net/2346/73106
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