Seals Eastern, Inc.
Seals, gaskets, and o-rings
designed and manufactured for the
most demanding applications throughout
the world.


134 PEARL STREET
RED BANK, NJ 07701-0520 USA
TEL: 732 747 9200  FAX: 732 747 3647

Rubber o-rings, orings, rubber seals, packer elements, gaskets, and rubber bonded to metal for sealing applications para Espanol Para portugues para Espanol

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Seals Eastern, Inc.
Compound 7284 Data Sheet
75-duro IIR
Description: High damping. Non-conductive in ionized environment.
Physical Properties:
ASTM Method Property Avg. Value Min. Value
D412 Method A Tensile Strength  1250 psi  852 psi
Ultimate Elongation  490%  289%
Stress at Elongation    
- M25  160 psi   psi
- M50  261 psi  139 psi
- M100  391 psi  186 psi
Strain Energy/ Unit Volume at 20% elongation  27 psi  
Calculated Shear Modulus, G  430 psi  
Calculated Youngs Modulus, E  1290 psi  
E-secant from the initial slope  1213 psi  
D624, Die B Tear Strength  186 psi  
Max Value Min Value
D2240, Type A Durometer Hardness  75 points  65 points
D297, 15 Specific Gravity  1.24  
         
D395, Test B Compression Set Avg. Value  
22 hrs @ 212F %  
70 hrs @ 212F 63%  
336 hrs @ 212F %  
Shelf Life years 
D865 Dry Heat Aging
Change in Tensile Change in Elongation Change in Durometer
70 hrs @ 212F % %  points
168 hrs @ 212F 2.9% -66% 7 points
336 hrs @ 212F % %  points
1000 hrs @ 212F  %  %  points
  Temperature Data  
D746 Brittle Point  F
D1329 Temp Retraction TR-10  F
Glass Transition  -99F
Max Operating Temp  F
Rev.  8/30/1995

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

Copyright 2000 Seals Eastern, Inc.

SEALS EASTERN
MOLDING SUCCESS FOR 50 YEARS.

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FastDash ™ is a trademark of Seals Eastern, Inc.; OringOnline ® is a registered trademark of Seals Eastern, Inc.; 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:11/25/09