Seals Eastern, Inc.
Seals, gaskets, and o-rings
designed and manufactured for the
most demanding applications throughout
the world.


134 PEARL STREET
RED BANK, NJ 07701-0520 USA
TEL: 732 747 9200  FAX: 732 747 3647

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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Seals Eastern, Inc.
Compound 7345 Data Sheet
70-duro HNBR
Description: HNBR for oil & gas service
Physical Properties:
ASTM Method Property Avg. Value Min. Value
D412 Method A Tensile Strength  3940 psi  3900 psi
Ultimate Elongation  425%  420%
Stress at Elongation    
- M25  185 psi   psi
- M50  245 psi  237 psi
- M100  410 psi  335 psi
Strain Energy/ Unit Volume at 20% elongation  23 psi  
Calculated Shear Modulus, G  499 psi  
Calculated Youngs Modulus, E  1490 psi  
E-secant from the initial slope  1400 psi  
D624, Die B Tear Strength  440 psi  
Max Value Min Value
D2240, Type A Durometer Hardness  67 points  73 points
D297, 15 Specific Gravity  1.14  
         
D395, Test B Compression Set Avg. Value  
22 hrs @ 212F %  
70 hrs @ 212F 31%  
336 hrs @ 212F %  
Shelf Life 10 years 
D865 Dry Heat Aging
Change in Tensile Change in Elongation Change in Durometer
70 hrs @ 212F -1% -13% 4 points
168 hrs @ 212F % %  points
336 hrs @ 212F % %  points
1000 hrs @ 212F  %  %  points
  Temperature Data  
D746 Brittle Point  F
D1329 Temp Retraction TR-10  F
Glass Transition  -1F
Max Operating Temp  200F
Rev.  4/1/2002

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LEGAL NOTICE: Seals Eastern makes no representations or warranties, implied or otherwise, on the accuracy or completeness of the data herein.

Copyright 2000 Seals Eastern, Inc.

SEALS EASTERN
MOLDING SUCCESS FOR 50 YEARS.

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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.

Format Rev:11/25/09