American Durafilm - TEFLON®/TEFZEL® Films and Products

American Durafilm designs and manufactures to order any size bag in our manufacturing facility located in Holliston, Massachusetts for any quantity small or large. Custom fittings can be installed and rigid Teflon^® tubing can be heat sealed into bags allowing gases and liquids to flow in and out. We specialize in heat sealing a variety of high performance materials including Kapton^®, Teflon^® FEP, Teflon^® PFA, and Tefzel^®, and TCGF belting.

Capabilities

All heat seals are made on state of the art thermal impulse heat sealing equipment, insuring maximum seal strength. With custom designs and configurations available including straight from .125” to 1.6” wide as well as radius or contiguous circle seals we invite you to challenge us with your design. With our state of the art design and prototyping equipment we can offer cost effective processes to meet your heat sealing needs.

Properties
Typical Uses
Materials & Data

Withstands high temp applications up to 500°F (260°C)
Suitable for cryogenic use -400°F(-240°C)
Autoclave resistance
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
Weather resistant
Chemically inert and solvent resistant to virtually all chemicals (except molten alkali metals, gaseous fluorine, complex halogenated compounds at elevated pressure and temperature)