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AFLAS seals, gaskets, and o-rings
by Seals Eastern, Inc.
Designed and manufactured for
mission critical applications.


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AFLAS is the tradename for a unique fluoroelastomer based upon an alternating copolymer of tetrafluoroethylene and propylene ("TFE/P"). AFLAS, when properly formulated, can be used to fabricate o-rings, gaskets, and seals possessing several unique properties:
 1) excellent heat resistance with 230C continuous service temp capability,
 2) chemical resistance including resistance to strong acids and caustics / bases,
 3) high electrical resistivity, and
 4) excellent oil resistance.

AFLAS - In recognition of novel and innovative research and technology development presented to Seals Eastern for its unique technologies resulting in the highest performance Aflas formulations available. Seals Eastern was one of the earliest companies to develop applications using AFLAS polymers in the oilfield, fluid control, heavy duty diesel, steam, and other industrial uses. Seals Eastern and its founder have been acknowledged countless times for advancements in the application technology of AFLAS materials. Such recognition has come from several elastomer industry leaders, including Dyneon LLC as shown here.

For chemical compatibility and other information on AFLAS visit www.AFLAS.com

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Seals Easterns 7182 series of formulated AFLAS seals have set industry standards for the highest level of AFLAS performance in oilfield, heavy-duty diesel, chemical, and steam applications.
Ref# Duro Description
7182D 80 General high temperature chemical resistant service.
7182B 90 High temperature, high pressure service. ED resistant. 
7182A 95 High temperature, high pressure service. ED resistant. 
7182X 80 Ultra-low compression set for use in aqueous and non-aqueous fluids, esp. OAT coolants.

AFLAS is categorized under the ASTM D1418 designation of FEPM. AFLAS is a copolymer of tetrafluoroethylene(TFE) and propylene(P). On account of this molecular structure, AFLAS has outstanding base resistance (e.g. caustics, alkalines, amines, nucleophiles) unlike other fluorocarbon polymers that contain vinylidene fluoride

Do not be fooled by cheap AFLAS o-rings and seals since they often lack proper postcuring techniques, contain reground material, blends of cheaper fluorocarbon polymers and will deliver inferior performance. Seals Eastern guarantees its 7182 series AFLAS formulations are 100% virgin AFLAS polymer and post-cured using state-of-the-art cure technology. Visit our standard compounds for a list of other high quality seal formulations that Seals Eastern offers.

Premium Quality Seals...
For a Cleaner, Safer, More Reliable World.TM

FastDash is a trademark of Seals Eastern, Inc.; OringOnline is a registered trademark of Seals Eastern, Inc.; 7182 is a trademark of Seals Eastern, Inc.; AFLAS is a registered trademark of Asahi Glass Co., Ltd.; Viton is a registered trademark of Dupont Performance Elastomers, LLC.