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Seals Eastern, Inc.
Seals, gaskets, and o-rings
Standard Rubber Compounds for the
most demanding seal applications throughout
the world.

Rubber o-rings, orings, rubber seals, packer elements, gaskets, and rubber bonded to metal for sealing applications para Espanol Para portugues para Espanol

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The following list represents many of Seals Eastern's standard rubber (elastomer) compounds that can be precision molded to a customer's specifications. The "Description" hyperlink will offer useful service properties of the underlying polymer. The "Compound ID" hyperlink will present the material data sheet for the specific rubber compound.
ASTM D1418Compound IDShore-A HardnessDescription
EPM  Ethylene-Propylene Rubber
   Peroxide Cured EPDM
 724050Potable water service. Chloramine resistant.
 701760General service EPM.
 505370General service EPDM.
 726780EPDM for high temperature steam service. Also available as a Y267-Type (7267L). 
 720490Y267-Type EPDM for geothermal steam service. Ultra-Low compression set. 
   Sulfur Cured EPDM
 718950General service EPDM
 701760General service EPM.
 707570General service EPDM.
 704580General service EPDM. 
FKM  Fluorocarbon Elastomer (VF2 containing)
Type 1571770FKM. General service.
Type 1714580FKM specially for oil & gas service.
Type 1713090FKM specially for oil & gas service.
Type 1714895FKM specially for oil & gas service; ED resistant
Type 2572260Formulated Viton®. General service.
Type 2572375Formulated Viton®. General service.
Type 2572485Formulated Viton®. General service.
Type 2572595Formulated Viton®. General service.
FEPM  Fluorocarbon Elastomer (TFE/P)
 7265D80Formulated Viton-ETP®. High temperature service in aggressive chemicals; Good base resistance.
 7182X80Formulated AFLAS®. Ultra-low compressive stress relaxation for alkaline, high-temperature service.
 7182D80Formulated AFLAS® high-temperature "sour" oil & gas service. Excellent acid and base resistance.
 7182E85Formulated AFLAS® high-temperature "sour" oil & gas service. Excellent acid and base resistance.
 7182B90Formulated AFLAS® high-temperature, high-pressure "sour" oil & gas service. ED resistant. Excellent acid and base resistance.
 7182A95Formulated AFLAS® high-temperature, high-pressure "sour" oil & gas service. Resistant to extrusion. Excellent acid and base resistance.
FFKMPerflas™ Perfluorinated Rubber
 929480Perfluoro rubber for aggressive chemical service
 929580Perfluoro rubber for high-temperature, aggressive chemical service.
FVMQ  Fluoro-silicone
 586150Fluoro-silicone meeting MIL-R-25988B
 580370Fluoro-silicone 
 586260Fluoro-silicone 
HNBR  Highly Saturated Nitrile (HSN)
 734570HNBR for Oil & Gas service
 733680HNBR for Oil & Gas service
 734490HNBR for Oil & Gas service
NBR  Nitrile Rubber
(high % acrylonitrile)
 720270Nitrile for oil & gas service
 716880Nitrile for oil & gas service
 715790Nitrile for oil & gas service
NBR  Nitrile Rubber
(medium % acrylonitrile)
 540045General purpose Nitrile
 540155General purpose Nitrile
 535365General purpose Nitrile
 543370General purpose Nitrile; Low water swell
 540375General purpose Nitrile
 540775General purpose Nitrile; Peroxide cured
 540485General purpose Nitrile
NBR  Nitrile Rubber
(low % acrylonitrile)
 548370Low temperature service Nitrile
 548770Low temperature service Nitrile; plasticizer free
 548480Low temperature service Nitrile
 548880Low temperature service Nitrile; plasticizer free
CR  Neoprene / Chloroprene
 524150General purpose neoprene
 524260General purpose neoprene
 728260UL-flame resistant, non-blooming neoprene
 524370General purpose neoprene
 706580General purpose neoprene
IIR  Butyl and Halobutyl Rubber
 727260General purpose Chlorobutyl; High damping
 702775General purpose Chlorobutyl; High damping
 728475Chlorobutyl; High damping; Non-conductive
NR  Natural Rubber
 450370General purpose Natural Rubber
ANM  Polyacrylate Rubber
 551485General purpose Polyacrylate

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

LEGAL NOTICE: Seals Eastern makes no representations or warranties, implied or otherwise, on the accuracy or completeness of the data herein. It is strongly urged that any recommended material be tested and qualified prior to its use in an application.

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.