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Seals Eastern, Inc.
Seals, gaskets, and o-rings
134 PEARL STREET
RED BANK, NJ 07701-0520 USA
TEL: 732 747 9200 FAX: 732 747 3647
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Compound 7344 Data Sheet
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| Description: HNBR for 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 |
3940 psi |
3790 psi |
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Ultimate Elongation |
370% |
330% |
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Stress at Elongation |
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- M25 |
590 psi |
psi |
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- M50 |
790 psi |
770 psi |
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- M100 |
1420 psi |
1360 psi |
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Strain Energy/ Unit
Volume at 20% elongation |
79 psi |
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Calculated Shear Modulus,
G |
1490 psi |
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Calculated Youngs
Modulus, E |
4470 psi |
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E-secant from the initial
slope |
4260 psi |
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D624, Die B |
Tear Strength |
520 psi |
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Max Value |
Min Value |
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D2240, Type A |
Durometer Hardness |
94 points |
86 points |
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D297, 15 |
Specific Gravity |
1.18 |
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D395, Test B |
Compression Set |
Avg. Value |
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22 hrs @ 212F |
45% |
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70 hrs @ 212F |
55% |
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336 hrs @ 212F |
69% |
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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 @ 212F |
-7% |
-25% |
0 points |
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168 hrs @ 212F |
1% |
-9% |
3 points |
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336 hrs @ 212F |
4.7% |
-9.9% |
3 points |
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1000 hrs @ 212F |
10.3% |
-21% |
3 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 |
-13F |
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Max Operating
Temp |
300F |
| Rev. |
11/25/2003 |
Shelf Life (years) |
10 |
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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.
ISO 9001:2008 CERTIFIED - BVQi (NA), Inc.
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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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