Compound 7336 Data Sheet
80-duro HNBR
| ASTM Method |
Property |
Avg. Value |
Min. Value |
| D412 Method A |
Tensile Strength |
3645 psi |
3565 psi |
|
Ultimate Elongation |
295% |
290% |
|
Stress at Elongation |
|
|
|
- M25 |
285 psi |
|
|
- M50 |
380 psi |
370 psi |
|
- M100 |
735 psi |
715 psi |
|
Strain Energy/ Unit
Volume at 20% elongation |
36 psi |
|
|
Calculated Shear Modulus,
G |
670 psi |
|
|
Calculated Youngs
Modulus, E |
2000 psi |
|
|
E-secant from the initial
slope |
1900 psi |
|
| D624, Die B |
Tear Strength |
570 lbf/inch |
|
| D297, 15 |
Specific Gravity |
1.18 |
|
| |
|
Max Value |
Min Value |
| D2240, Type A |
Durometer Hardness |
85 points |
75 points |
| |
|
|
|
| D395, Test B |
Compression Set |
Avg. Value |
|
|
22 hrs @ 212F |
33% |
|
|
70 hrs @ 212F |
37% |
|
|
336 hrs @ 212F |
54% |
|
ASTM D865 - Dry Heat Aging:
| Hours Aged |
Change in Tensile |
Change in Elongation |
Change in Durometer |
| 70 hrs @ 212F |
-12.9% |
-30% |
2 points |
| 168 hrs @ 212F |
-14% |
-30.9% |
2 points |
| 336 hrs @ 212F |
-13.6% |
-37.4% |
4 points |
| 1000 hrs @ 212F |
-10.2% |
-33.7% |
4 points |
Temperature Properties and Shelf Life:
| ASTM / Other |
Description |
Value |
| D746 |
Brittle Point |
|
| D1329 |
Temp Retraction TR-10 |
|
| |
Glass Transition |
-13F |
| |
Max Operating Temp |
300F |
| |
Shelf Life (years) |
10 |
Rev. 11/25/2003
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