Teflon® Overwrap Bags for Cryogenic Storage fabricated using Teflon® FEP & PFA Films, as well as Stock Width Lay Flat Extruded Tubing.
American Durafilm Co. fabricates custom Overwrap Bags made with Teflon® FEP and PFA films, FEP Lay Flat Extruded Tubing and Kapton® Type FN Film. All of these high performance films can serve as blood storage bags and are ideal for cryogenic storage (cryogenic bags) of stem cells and cord blood. Lay Flat Bags can be designed and manufactured to any size with rigid Teflon® tubing heat sealed into bags, and allowing gases and liquids to flow in and out.
Withstands high temp applications up to 500°F (260°C)
Suitable for cryogenic use -400°F(-240°C)
Visually clear and provides a high transmittance of UV light
Virtually indestructible to impact and tearing
No electrical tracking, non-wetting, and non-charring
Anti-stick and low frictional properties
Easily cleaned and reused
Inert for non-contaminating samples
Low permeability to liquids, gases, moisture and organic vapors
Chemically inert and solvent resistant to virtually all chemicals (except molten alkali metals, gaseous fluorine, complex halogenated compounds at elevated pressure and temperature)