Compound 7248 Data Sheet
92-duro FKM
| ASTM Method |
Property |
Avg. Value |
Min. Value |
| D412 Method A |
Tensile Strength |
3000 psi |
|
|
Ultimate Elongation |
130% |
|
|
Stress at Elongation |
|
|
|
- M25 |
960 psi |
|
|
- M50 |
1350 psi |
|
|
- M100 |
2400 psi |
|
|
Strain Energy/ Unit
Volume at 20% elongation |
142 psi |
|
|
Calculated Shear Modulus,
G |
1490 psi |
|
|
Calculated Youngs
Modulus, E |
4475 psi |
|
|
E-secant from the initial
slope |
7480 psi |
|
| D624, Die B |
Tear Strength |
|
|
| D297, 15 |
Specific Gravity |
1.8 |
|
| |
|
Max Value |
Min Value |
| D2240, Type A |
Durometer Hardness |
95 points |
90 points |
| |
|
|
|
| D395, Test B |
Compression Set |
Avg. Value |
|
|
22 hrs @ 392F |
5% |
|
|
70 hrs @ 392F |
6% |
|
|
336 hrs @ 392F |
7% |
|
ASTM D865 - Dry Heat Aging:
| Hours Aged |
Change in Tensile |
Change in Elongation |
Change in Durometer |
| 70 hrs @ 392F |
-2% |
0% |
1 points |
| 168 hrs @ 392F |
-4% |
8% |
1 points |
| 336 hrs @ 392F |
-6% |
3% |
1 points |
| 1000 hrs @ 392F |
-15% |
24% |
1 points |
Temperature Properties and Shelf Life:
| ASTM / Other |
Description |
Value |
| D746 |
Brittle Point |
|
| D1329 |
Temp Retraction TR-10 |
|
| |
Glass Transition |
0F |
| |
Max Operating Temp |
400F |
| |
Shelf Life (years) |
20 |
Rev. 3/9/2020
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