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  Seals Eastern, Inc.
Seals, gaskets, and o-rings
 
Compound 7240 Data Sheet
Description: 
Physical Properties:
ASTM Method Property Avg. Value Min. Value
D412 Method A Tensile Strength  1463 psi  893 psi
Ultimate Elongation  322%  206%
Stress at Elongation    
- M25  89 psi   psi
- M50  139 psi  113 psi
- M100  246 psi  180 psi
Strain Energy/ Unit Volume at 20% elongation  10 psi  
Calculated Shear Modulus, G  194 psi  
Calculated Youngs Modulus, E  583 psi  
E-secant from the initial slope  548 psi  
D624, Die B Tear Strength   psi  
Max Value Min Value
D2240, Type A Durometer Hardness  52 points  48 points
D297, 15 Specific Gravity    
         
D395, Test B Compression Set Avg. Value  
22 hrs @ F %  
70 hrs @ F %  
336 hrs @ F %  
D865 Dry Heat Aging
Change in Tensile Change in Elongation Change in Durometer
70 hrs @ F % %  points
168 hrs @ F % %  points
336 hrs @ F % %  points
1000 hrs @ F  %  %  points
  Temperature Data  
D746 Brittle Point  F
D1329 Temp Retraction TR-10  F
Glass Transition  -60F
Max Operating Temp  F
Rev.  8/30/1995 Shelf Life (years)

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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