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  Seals Eastern, Inc.
Seals, gaskets, and o-rings
 
Compound 7157 Data Sheet
Description: 
Physical Properties:
ASTM Method Property Avg. Value Min. Value
D412 Method A Tensile Strength  3436 psi  2837 psi
Ultimate Elongation  170%  100%
Stress at Elongation    
- M25  641 psi   psi
- M50  952 psi  406 psi
- M100  1779 psi  1200 psi
Strain Energy/ Unit Volume at 20% elongation  72 psi  
Calculated Shear Modulus, G  1672 psi  
Calculated Youngs Modulus, E  5032 psi  
E-secant from the initial slope  4730 psi  
D624, Die B Tear Strength  296 psi  
Max Value Min Value
D2240, Type A Durometer Hardness  91 points  86 points
D297, 15 Specific Gravity  1.294  
         
D395, Test B Compression Set Avg. Value  
22 hrs @ 212F 10%  
70 hrs @ 212F 15%  
336 hrs @ 212F 28%  
D865 Dry Heat Aging
Change in Tensile Change in Elongation Change in Durometer
70 hrs @ 212F -1.4% 29.6% 3 points
168 hrs @ 212F -2% 3.2% 3 points
336 hrs @ 212F -5.7% -18.4% 4 points
1000 hrs @ 212F  -14.5%  -37.6% 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-1-4, R-4-2  
    
    

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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.

SEALS EASTERN
MOLDING SUCCESS FOR 50 YEARS.

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: 11/17/11