Seals Eastern, Inc.

Compound 7204 Data Sheet

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Compound 7204 Data Sheet
Description: Y267-Type EPM formulation for use in high temperature steam and geothermal wells. Performs well in steam, brine, sour-gas, isobutane.
Physical Properties:
ASTM Method Property Avg. Value Min. Value
D412 Method A Tensile Strength  2218 psi  1900 psi
Ultimate Elongation  85%  80%
Stress at Elongation    
- M25  1207 psi   psi
- M50  1719 psi   psi
- M100  2001 psi   psi
Strain Energy/ Unit Volume at 20% elongation  119 psi  
Calculated Shear Modulus, G  1438 psi  
Calculated Youngs Modulus, E  4314 psi  
E-secant from the initial slope  4056 psi  
D624, Die B Tear Strength  146 psi  
    Max Value Min Value
D2240, Type A Durometer Hardness  92 points  85 points
D297, 15 Specific Gravity  1.121  
       
D395, Test B Compression Set Avg. Value  
22 hrs @ 257F %  
70 hrs @ 257F 13%  
336 hrs @ 257F %  
D865 - Dry Heat Aging:
Hours Aged Change in Tensile Change in Elongation Change in Durometer
70 hrs @ 257F % %  points
168 hrs @ 257F % %  points
336 hrs @ 257F % %  points
1000 hrs @ 257F  %  %  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)

Meets specification: R-8-1, ES-R-17  
    
    
Rev. 8/30/1995

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