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Diffusely Reflecting Paints Containing TFEHighly reflective, diffused coatings developed by incorporating polytetrafluoroethylene (TFE) pigment with alcohol-soluble binders. Alcohol and binder mixed together in blender before adding TFE. TFE preferably outgassed in mechanical-pump vacuum for typical interval of 4 hours before adding to liquid. Like wetting agent, vacuum treatment helps to prevent clumping of TFE and eases dispersion throughout mixture. Mixture blended for 3 to 5 minutes before used. Coatings useful on reflectance-standard surfaces for calibrating radiometric instruments in both laboratory and field. Paints washable and usable as optical reference surfaces.
Document ID
19850000194
Acquisition Source
Legacy CDMS
Document Type
Other - NASA Tech Brief
Authors
Shai, M. C.
Schutt, J. B.
Date Acquired
August 12, 2013
Publication Date
October 1, 1985
Publication Information
Publication: NASA Tech Briefs
Volume: 9
Issue: 2
ISSN: 0145-319X
Subject Category
Materials
Report/Patent Number
GSC-12883
Accession Number
85B10194
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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