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Seals Eastern, Inc.
Seals, gaskets, and o-rings
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Compound 7145 Data Sheet
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| Description: General purpose oil & gas service |
| Physical Properties: |
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ASTM Method |
Property |
Avg. Value |
Min. Value |
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D412 Method A |
Tensile Strength |
2800 psi |
1883 psi |
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Ultimate Elongation |
180% |
118% |
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Stress at Elongation |
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- M25 |
306 psi |
psi |
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- M50 |
544 psi |
400 psi |
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- M100 |
1230 psi |
698 psi |
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Strain Energy/ Unit
Volume at 20% elongation |
32 psi |
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Calculated Shear Modulus,
G |
596 psi |
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Calculated Youngs
Modulus, E |
1788 psi |
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E-secant from the initial
slope |
1681 psi |
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D624, Die B |
Tear Strength |
210 psi |
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Max Value |
Min Value |
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D2240, Type A |
Durometer Hardness |
78 points |
75 points |
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D297, 15 |
Specific Gravity |
1.943 |
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D395, Test B |
Compression Set |
Avg. Value |
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22 hrs @ 392F |
11% |
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70 hrs @ 392F |
19% |
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336 hrs @ 392F |
24% |
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D865 |
Dry Heat Aging |
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Change in Tensile |
Change in Elongation |
Change in Durometer |
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70 hrs @ 392F |
-12% |
2% |
0 points |
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168 hrs @ 392F |
-2% |
10% |
1 points |
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336 hrs @ 392F |
-5% |
2% |
0 points |
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1000 hrs @ 392F |
9% |
13% |
0 points |
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Temperature
Data |
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D746 |
Brittle
Point |
F |
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D1329 |
Temp
Retraction TR-10 |
F |
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Glass
Transition |
-4F |
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Max Operating
Temp |
F |
| Rev. |
3/1/2002 |
Shelf Life (years) |
15 |
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Meets specification: R-3-1, R-9-1 BPS-D202, VP800
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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.
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SEALS EASTERN
MOLDING SUCCESS FOR 50 YEARS.
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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
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