R
E
T
U
R
N
|
|
|
Seals Eastern, Inc.
Seals, gaskets, and o-rings
|
|
|
Compound 7284 Data Sheet
|
| 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 |
% |
|
|
|
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 |
Shelf Life (years) |
|
|
|
|
|
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.
|
Premium Quality Seals...
For a Cleaner, Safer, More Reliable World.TM
|
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
|
|