Nylon Good low temperature properties, easily fabricated, strong. Not available, low tear resistance(?) Awaiting sample.
Vinylite Easily fabricated. Very poor low Discarded. Almost transparent. temperature properties.
Teflon Strong
Can not be fabricated. Discarded.
Ethocel Easily fabricated. Very high Discarded. Good low temperature permeability. characteristics.
Pliofilm Easily fabricated. Poor ultra violet properties, poor low temperature properties. Discarded.
Coated Fabrics
Nylon coated with neoprene butyl rubber polyethylene saran Strong, easily fabricated. Heavy, expensive opaque, nylon cloth has relative high elongation. Awaiting Investigation.
Fortasin (regenerated celulose rayon) coated with neoprene butyl rubber polyethylene saran
Awaiting Investigation.
Silk coated with neoprene butyl rubber
As a result of this preliminary study a sub-contract was
given to H. A. Smith, Coatings Inc. of Mamaroneck, New York, to fabricate balloons with the following specifications for test purposes: