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Detecting leaks in vacuum bagsSmall leaks in vacuum bag can be readily detected by eye, using simple chemical reaction: combination of ammonia and acetic acid vapors to produce cloudy white smoke. Technique has been successfully used to test seam integrity and to identify minute pinholes in vacuum bag used in assembly of ceramic-tile heat shield for Space Shuttle Orbiter.
Document ID
19790000380
Document Type
Other - NASA Tech Brief
Authors
Carlstrom, E. E. (Lockheed Missiles and Space Co., Inc.)
Date Acquired
August 10, 2013
Publication Date
April 1, 1980
Publication Information
Publication: NASA Tech Briefs
Volume: 4
Issue: 3
ISSN: 0145-319X
Subject Category
MECHANICS
Report/Patent Number
MSC-18423
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.