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  Seals Eastern, Inc.
Seals, gaskets, and o-rings
 
Compound 7344 Data Sheet
Description: HNBR for oil & gas service
Physical Properties:
ASTM Method Property Avg. Value Min. Value
D412 Method A Tensile Strength  3940 psi  3790 psi
Ultimate Elongation  370%  330%
Stress at Elongation    
- M25  590 psi   psi
- M50  790 psi  770 psi
- M100  1420 psi  1360 psi
Strain Energy/ Unit Volume at 20% elongation  79 psi  
Calculated Shear Modulus, G  1490 psi  
Calculated Youngs Modulus, E  4470 psi  
E-secant from the initial slope  4260 psi  
D624, Die B Tear Strength  520 psi  
Max Value Min Value
D2240, Type A Durometer Hardness  94 points  86 points
D297, 15 Specific Gravity  1.18  
         
D395, Test B Compression Set Avg. Value  
22 hrs @ 212F 45%  
70 hrs @ 212F 55%  
336 hrs @ 212F 69%  
D865 Dry Heat Aging
Change in Tensile Change in Elongation Change in Durometer
70 hrs @ 212F -7% -25% 0 points
168 hrs @ 212F 1% -9% 3 points
336 hrs @ 212F 4.7% -9.9% 3 points
1000 hrs @ 212F  10.3%  -21% 3 points
  Temperature Data  
D746 Brittle Point  F
D1329 Temp Retraction TR-10  F
Glass Transition  -13F
Max Operating Temp  300F
Rev.  11/25/2003 Shelf Life (years) 10

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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 2011 Seals Eastern, Inc.

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Format Rev: 11/17/11