coated nylon seem to be most generally satisfactory. Eighteen plastics and balloon fabrication companies were contacted in an attempt to secure fabricators.
Table I
Fabric Low Temp. Properties Permeability Tensile Strength Tear Resistance Ease of Fabrication Stability to Ultraviolet
Polyethylene Good Medium Low Good Good Good
Saran Fair Low High Poor Fair Fair
Nylon Good Low High Low Good Good
Vinylite Very poor Medium Medium Good Good Good
Teflon Believed good Low High Good Cannot be fabricated Good
Ethocellulose Good Very high Low Fair Good Good
Pliofilm Poor High Poor Fair Good Poor
Nylon or silk fabric coated with:
1. Neoprene
2. Butyl rubber
3. Polyethylene Unknown