Seals Eastern, Inc.
Seals, gaskets, and o-rings
Compound 7027 Data Sheet
Description: obsolete - High-damping
Physical Properties:
ASTM Method Property Avg. Value Min. Value
D412 Method A Tensile Strength  1970 psi  1504 psi
Ultimate Elongation  269%  177%
Stress at Elongation    
- M25  151 psi   psi
- M50  309 psi  204 psi
- M100  557 psi  316 psi
Strain Energy/ Unit Volume at 20% elongation  23 psi  
Calculated Shear Modulus, G  468 psi  
Calculated Youngs Modulus, E  1403 psi  
E-secant from the initial slope  1319 psi  
D624, Die B Tear Strength  213 psi  
Max Value Min Value
D2240, Type A Durometer Hardness  74 points  69 points
D297, 15 Specific Gravity    
D395, Test B Compression Set Avg. Value  
22 hrs @ 212F %  
70 hrs @ 212F 25%  
336 hrs @ 212F %  
D865 Dry Heat Aging
Change in Tensile Change in Elongation Change in Durometer
70 hrs @ 212F % %  points
168 hrs @ 212F -10% -21% 8 points
336 hrs @ 212F % %  points
1000 hrs @ 212F  %  %  points
  Temperature Data  
D746 Brittle Point  F
D1329 Temp Retraction TR-10  F
Glass Transition  -38F
Max Operating Temp  F
Rev.  2/24/2004 Shelf Life (years)


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