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Tetrafluoroethylene and propylene (FEPM, Aflas®)
Commonly referred to as Aflas®, (Asahi Glass Co., Ltd.), FEPM is usually produced as a copolymer of tetrafluoroethylene and propylene and is vulcanized in peroxide/coagent cure systems.

This fluorinated elastomer is inherently resistant to a wide variety of chemicals, petroleum products and high temperatures (+400°F continuous to +500°F intermittent) and out-performs most fluorocarbons in applications containing wet sour gas and oil, amines, strong alkalis, highly polar fluids, phosphate esters and glycol brake fluids. Aflas is extremely resistant to steam and electrical currents and offers good resistance to abrasion and weathering.

Several variations of this elastomer are available with durometers ranging between 60 and 90 points (Shore A). Special formulations are available for applications requiring improved compression set properties. Several markets realizing the benefits of Aflas are the automotive, chemical processing, wire and cable, industrial, oil drilling and aerospace industries.



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LUTZ offers a large selection of materials:

Nitrile butadiene (NBR), (BUNA-N)
Fluorocarbon (FKM)
Ethylene propylene (EPR and EPDM)
Chloroprene (CR)
Fluorosilicone (FVMQ)
Polyurethane (AU and EU)
Perfluoroelastomer (FFKM)
Polyacrylate (ACM)
Tetrafluoroethylene and propylene (FEPM)
Ethylene acrylic (AEM)
Chlorosulfonyl polyethylene (CSM)
Hydrin (ECO)
Styrene butadiene (SBR)

LUTZ also carries:

Compression Packing Seals
Dynamic Seals
Expansion Joints
Gaskets and Gasketing
Hydraulic Seals and Pneumatic Seals
Mechanical Seals
Oil Seals and Grease Seals
Solid Elastomeric Rings
Back-up Rings
Extrusion Services
U-Cup Lip Seals
Rubber molding services (custom-molded rubber)
Exclusion Seals
Specialty seals
Die Cutting Services
Rubber tubing
Semi finished Shapes and Stock Materials
Silicone Molding services
Water System Approved
USP Class VI o-ring
ISO 10993 biocompatable rubber products

Call 630.539.5500 to place an order with LUTZ!