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 7168 Data Sheet
80-duro NBR
Description: 
Physical Properties:
ASTM Method Property Avg. Value Min. Value
D412 Method A Tensile Strength  3556 psi  2682 psi
Ultimate Elongation  330%  200%
Stress at Elongation    
- M25  503 psi   psi
- M50  783 psi  296 psi
- M100  1527 psi  577 psi
Strain Energy/ Unit Volume at 20% elongation  61 psi  
Calculated Shear Modulus, G  1147 psi  
Calculated Youngs Modulus, E  3442 psi  
E-secant from the initial slope  3219 psi  
D624, Die B Tear Strength   psi  
Max Value Min Value
D2240, Type A Durometer Hardness  83 points  77 points
D297, 15 Specific Gravity  1.278  
         
D395, Test B Compression Set Avg. Value  
22 hrs @ 212F 10.6%  
70 hrs @ 212F 12.1%  
336 hrs @ 212F 23.3%  
Shelf Life years 
D865 Dry Heat Aging
Change in Tensile Change in Elongation Change in Durometer
70 hrs @ 212F 3.5% -9.6% 0 points
168 hrs @ 212F 5.8% -28.2% 4 points
336 hrs @ 212F 11.7% -22.5% 5 points
1000 hrs @ 212F  8.4%  -39.5% 6 points
  Temperature Data  
D746 Brittle Point  F
D1329 Temp Retraction TR-10  F
Glass Transition  -13F
Max Operating Temp  F
Rev.  11/25/2003

Meets specification: ES-R-1-3  
    
    

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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