Seals Eastern, Inc.

Compound 7075 Data Sheet

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Compound 7075 Data Sheet
Description: Sulfur cure.
Physical Properties:
ASTM Method Property Avg. Value Min. Value
D412 Method A Tensile Strength  2940 psi  1496 psi
Ultimate Elongation  410%  205%
Stress at Elongation    
- M25  210 psi   psi
- M50  310 psi  190 psi
- M100  570 psi  290 psi
Strain Energy/ Unit Volume at 20% elongation  26 psi  
Calculated Shear Modulus, G  480 psi  
Calculated Youngs Modulus, E  1440 psi  
E-secant from the initial slope  1353 psi  
D624, Die B Tear Strength  134 lbf/inch  
    Max Value Min Value
D2240, Type A Durometer Hardness  73 points  62 points
D297, 15 Specific Gravity  1.05  
       
D395, Test B Compression Set Avg. Value  
22 hrs @ 212F 13%  
70 hrs @ 212F %  
336 hrs @ 212F %  
D865 - Dry Heat Aging:
Hours Aged 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 Properties and Shelf Life:
ASTM / Other Description Value
D746 Brittle Point  F
D1329 Temp Retraction TR-10  F
  Glass Transition  -60F
  Max Operating Temp  F
  Shelf Life (years)
Rev. 12/13/2002

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