R
E
T
U
R
N
  Seals Eastern, Inc.
Seals, gaskets, and o-rings
 
Compound 7345 Data Sheet
Description: HNBR for oil & gas service
Physical Properties:
ASTM Method Property Avg. Value Min. Value
D412 Method A Tensile Strength  3940 psi  3900 psi
Ultimate Elongation  425%  420%
Stress at Elongation    
- M25  185 psi   psi
- M50  245 psi  237 psi
- M100  410 psi  335 psi
Strain Energy/ Unit Volume at 20% elongation  23 psi  
Calculated Shear Modulus, G  499 psi  
Calculated Youngs Modulus, E  1490 psi  
E-secant from the initial slope  1400 psi  
D624, Die B Tear Strength  440 psi  
Max Value Min Value
D2240, Type A Durometer Hardness  67 points  73 points
D297, 15 Specific Gravity  1.14  
         
D395, Test B Compression Set Avg. Value  
22 hrs @ 212F %  
70 hrs @ 212F 31%  
336 hrs @ 212F %  
D865 Dry Heat Aging
Change in Tensile Change in Elongation Change in Durometer
70 hrs @ 212F -1% -13% 4 points
168 hrs @ 212F % %  points
336 hrs @ 212F % %  points
1000 hrs @ 212F  %  %  points
  Temperature Data  
D746 Brittle Point  F
D1329 Temp Retraction TR-10  F
Glass Transition  -13F
Max Operating Temp  300F
Rev.  4/1/2002 Shelf Life (years) 10

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