Seals Eastern, Inc.
Seals, gaskets, and o-rings
Compound 7045 Data Sheet
Description: Very low compression set for hot/cold water service. Hot water service up to 257F(125C).
Physical Properties:
ASTM Method Property Avg. Value Min. Value
D412 Method A Tensile Strength  2338 psi  1880 psi
Ultimate Elongation  251%  160%
Stress at Elongation    
- M25  321 psi   psi
- M50  534 psi  331 psi
- M100  1064 psi  632 psi
Strain Energy/ Unit Volume at 20% elongation  47 psi  
Calculated Shear Modulus, G  890 psi  
Calculated Youngs Modulus, E  2665 psi  
E-secant from the initial slope  2500 psi  
D624, Die B Tear Strength   psi  
Max Value Min Value
D2240, Type A Durometer Hardness  85 points  75 points
D297, 15 Specific Gravity  1.15  
D395, Test B Compression Set Avg. Value  
22 hrs @ 212F %  
70 hrs @ 212F 17%  
336 hrs @ 212F %  
D865 Dry Heat Aging
Change in Tensile Change in Elongation Change in Durometer
70 hrs @ 212F % %  points
168 hrs @ 212F % %  points
336 hrs @ 212F % %  points
1000 hrs @ 212F  %  %  points
  Temperature Data  
D746 Brittle Point  -60F
D1329 Temp Retraction TR-10  F
Glass Transition  -60F
Max Operating Temp  225F
Rev.  8/30/1995 Shelf Life (years) 15


LEGAL NOTICE: Seals Eastern makes no representations or warranties, implied or otherwise, on the accuracy or completeness of the data herein.

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Format Rev: 11/17/11