R
E
T
U
R
N
  Seals Eastern, Inc.
Seals, gaskets, and o-rings
 
Compound 7148 Data Sheet
Description: Resistant to explosive decompression; oil & gas service
Physical Properties:
ASTM Method Property Avg. Value Min. Value
D412 Method A Tensile Strength  2870 psi  2000 psi
Ultimate Elongation  79%  60%
Stress at Elongation    
- M25  1184 psi   psi
- M50  1708 psi  1300 psi
- M100  1740 psi  862 psi
Strain Energy/ Unit Volume at 20% elongation  188 psi  
Calculated Shear Modulus, G  3525 psi  
Calculated Youngs Modulus, E  10575 psi  
E-secant from the initial slope  9940 psi  
D624, Die B Tear Strength  221 psi  
Max Value Min Value
D2240, Type A Durometer Hardness  95 points  92 points
D297, 15 Specific Gravity  1.91  
         
D395, Test B Compression Set Avg. Value  
22 hrs @ 392F 15%  
70 hrs @ 392F 22%  
336 hrs @ 392F 37%  
D865 Dry Heat Aging
Change in Tensile Change in Elongation Change in Durometer
70 hrs @ 392F 2% -4% 2 points
168 hrs @ 392F -2% -8% 1 points
336 hrs @ 392F 8% -5% 1 points
1000 hrs @ 392F  -12%  -22% 1 points
  Temperature Data  
D746 Brittle Point  F
D1329 Temp Retraction TR-10  F
Glass Transition  -4F
Max Operating Temp  F
Rev.  3/1/2002 Shelf Life (years) 15

Meets specification: R-3-3, R-9-3  
    
    

RETURN

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