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  Seals Eastern, Inc.
Seals, gaskets, and o-rings
 
Compound 7168 Data Sheet
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 11%  
70 hrs @ 212F 12%  
336 hrs @ 212F 23%  
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 Shelf Life (years)

Meets specification: 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 2011 Seals Eastern, Inc.

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Format Rev: 11/17/11