FEP-FS Films High Molecular Weight

A fluoropolymer film that we have manufactured from fluorinated ethylene propylene (FEP) resin to support applications that have unusual endurance, thermal or chemical requirements.

fep clear with yellow and purple lighting

fep clear with yellow and purple lighting close up

FEP: FS Films High Molecular Weight

Used across a wide array of specialist applications, including pharmaceutical storage bags to chemical storage tanks and expansion joints, our FEP-FS High molecular weight film provides a high level of flexural endurance and chemical resistance. Designed for durability, you can be confident that the risk of stress cracks is minimized.

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For applications for need a special level of high flex life and chemical resistance, we provide specialized solutions. Our FEP-FS High molecular weight films are designed for those that require repeated bending and stress crack resistance. Our films combine low-temperature resistance with high-level flex performance, making them ideal for storage bags exposed to cryogenic conditions. For chemical applications, it provides long-term value through long-lasting chemical and thermal resistance as well as heat sealing and thermoformable features for added versatility. When applied, the film is optically transparent or translucent depending on its thickness for added ease of use for users.

Natural Gas Expansion Joints
Diaphragms and Gaskets
High Performance Bags

FEP-FS High Molecular Weight

Material	Specific Gravity	Tensile Strength	Elongation	Film Thickness 5 to 20 mil	Film Thickness 30 to 60 mil
FEP FS	2.12-2.17	2500psi	250%	±3% maximum	±4% maximum

FEP-FS High Molecular Weight

Material	Specific Gravity	Tensile Strength	Elongation	Film Thickness 5 to 20 mil	Film Thickness 30 to 60 mil
FEP FS	2.12-2.17	17.24MPa	250%	±3% maximum	±4% maximum

*Nominal values. These values should not be used to design

TYPE FS & FST FLUOROPOLYMER FILM

Technical Data Sheets

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Co-Development

Saint-Gobain Composite Solutions is a long-trusted partner for creating highly specialized, technology-driven material solutions that deliver extraordinary performance across a spectrum of demanding settings. Through collaboration with our customers, we co-develop versatile materials and real application tests to ensure that you have the best possible solution for your application. We help create innovative materials that provide protection, easy release, insulation, and friction control. And we seek to collaborate in making it even more possible.

Rigorous testing standards

Saint-Gobain Composite Solutions develops custom application testing based on each of our partner’s product uses in order to create the best possible solution. Some tests that are included but are not limited to environmental, durability, and reliability testing to give you peace of mind making sure that products work in the hardest environments. Our testing begins during the co-development process to develop relevant tests and gather data that allows us to create market-ready solutions quickly.

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