Compound 7267 Data Sheet
75-duro EPM
ASTM Method |
Property |
Avg. Value |
Min. Value |
D412 Method A |
Tensile Strength |
2339 psi |
1600 psi |
|
Ultimate Elongation |
153% |
100% |
|
Stress at Elongation |
|
|
|
- M25 |
319 psi |
|
|
- M50 |
500 psi |
190 psi |
|
- M100 |
1300 psi |
220 psi |
|
Strain Energy/ Unit
Volume at 20% elongation |
30 psi |
|
|
Calculated Shear Modulus,
G |
797 psi |
|
|
Calculated Youngs
Modulus, E |
2392 psi |
|
|
E-secant from the initial
slope |
2249 psi |
|
D624, Die B |
Tear Strength |
|
|
D297, 15 |
Specific Gravity |
1.07 |
|
|
|
Max Value |
Min Value |
D2240, Type A |
Durometer Hardness |
77 points |
70 points |
|
|
|
|
D395, Test B |
Compression Set |
Avg. Value |
|
|
22 hrs @ 257F |
|
|
|
70 hrs @ 257F |
12% |
|
|
336 hrs @ 257F |
|
|
ASTM D865 - Dry Heat Aging:
Hours Aged |
Change in Tensile |
Change in Elongation |
Change in Durometer |
70 hrs @ 257F |
-1% |
22% |
0 points |
168 hrs @ 257F |
|
|
|
336 hrs @ 257F |
|
|
|
1000 hrs @ 257F |
|
|
|
Temperature Properties and Shelf Life:
ASTM / Other |
Description |
Value |
D746 |
Brittle Point |
|
D1329 |
Temp Retraction TR-10 |
|
|
Glass Transition |
-60F |
|
Max Operating Temp |
|
|
Shelf Life (years) |
10 |
Rev. 5/6/1996
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