Cast Urethane Hardness Data
Cast Urethane Hardness Data
Hardness Scales
(Increasing Hardness)
Polyether Mechanical Properties
Mechanical Properties | ASTM Test Method | PP1501 | PP1601 | PP1701 | PP1801 | PP1901 | PP1502 | PP1602 | PP1702 | PP1802 |
Hardness |
Durometer |
D2240 |
50A |
60A |
70A |
80A |
90A |
50D |
60D |
70D |
82D |
Tensile Modulus, psi (MPa) |
100% ext |
D412 |
230 |
335 |
349 |
780 |
1042 |
1966 |
2887 |
4991 |
N/A |
300% ext |
D412 |
395 |
535 |
739 |
1400 |
1932 |
3970 |
5911 |
N/A |
N/A |
Ultimate Tensile Strength, PSI |
D412 |
1700 |
2550 |
2255 |
5300 |
6063 |
6297 |
6273 |
7263 |
8200 |
Ultimate Elongation, % |
D412 |
500 |
555 |
504 |
580 |
501 |
385 |
313 |
274 |
20 |
Young's Modulus PSI |
|
N/A |
N/A |
1212 |
4700 |
5111 |
11367 |
19271 |
42306 |
N/A |
Tear Strength, PLI (kN/m) |
Die C |
D624 |
155 |
220 |
138 |
270 |
400 |
488 |
621 |
1046 |
N/A |
Split Tear |
D470 |
18 |
40 |
31 |
63 |
76 |
106 |
133 |
231 |
N/A |
Compression/Flexure (PSI), % after 22 hrs at 158° F (70° C) |
Method B, 25% Deflection |
D575 |
167 |
178 |
269 |
820 |
939 |
1793 |
2718 |
5032 |
N/A |
Resilence (rebound), % |
D2632 |
62 |
63 |
15 |
64 |
50 |
51 |
55 |
66 |
N/A |
Compression Set |
|
4 |
13 |
51 |
28 |
20 |
26 |
32 |
N/A |
N/A |
Flexural Modulus @ 5% Stress |
D790 |
N/A |
N/A |
N/A |
N/A |
N/A |
N/A |
N/A |
96,000 |
320,000 |
Brittle Temp |
(°C/°F) |
DMA (TAN DELTA) |
N/A |
N/A |
N/A |
-71/-96 |
-51/-60 |
-55/-67 |
-56/-69 |
-56/-69 |
N/A |
Thermal Expansion |
in/(in·°F) |
|
N/A |
N/A |
1.05E-4 |
1.04E-4 |
1.04E-4 |
1.12E-4 |
9.8E-05 |
1.02E-4 |
N/A |
Water Absorption |
Fresh (Salt) |
|
N/A |
N/A |
1.22 (1.20) |
1.23 (1.31) |
1.5 (1.49) |
1.54 (1.45) |
1.58 (1.40) |
1.57 (1.41) |
N/A |
Cured Density |
G/CM³ |
|
N/A |
N/A |
1.04 |
1.07 |
1.09 |
1.14 |
1.16 |
1.19 |
1.20 |
Max Operating Temperature (F) |
(F*) |
|
170 |
170 |
170 |
170 |
170 |
170 |
170 |
170 |
170 |
Shelf Life |
Years |
|
20 |
20 |
20 |
20 |
20 |
20 |
20 |
20 |
20 |
Polyester Mechanical Properties
Mechanical Properties | ASTM Test Method | PP2401 | PP2501 | PP2601 | PP2701 | PP2801 | PP2901 | PP2502 | PP2602 | PP2702 |
Hardness |
Durometer |
D2240 |
40A |
50A |
60A |
70A |
80A |
90A |
50D |
60D |
70D |
Tensile Modulus, psi (MPa) |
100% ext |
D412 |
93 |
169 |
323 |
407 |
578 |
875 |
1873 |
2444 |
3621 |
300% ext |
D412 |
176 |
317 |
503 |
685 |
994 |
1539 |
3295 |
4324 |
6230 |
Ultimate Tensile Strength, PSI |
D412 |
1470 |
3153 |
4345 |
6287 |
6960 |
6702 |
7916 |
7493 |
7400 |
Ultimate Elongation, % |
D412 |
697 |
632 |
744 |
682 |
671 |
590 |
470 |
415 |
351 |
Young's Modulus PSI |
|
236 |
465 |
1155 |
1685 |
2681 |
4537 |
11534 |
20430 |
75000 |
Tear Strength, PLI (kN/m) |
Die C |
D624 |
75 |
130 |
231 |
304 |
378 |
459 |
558 |
713 |
960 |
Split Tear |
D470 |
17 |
20 |
91 |
130 |
167 |
204 |
255 |
292 |
401 |
Compression/Flexure (PSI), % after 22 hrs at 158° F (70° C) |
Method B, 25% Deflection |
D575 |
75 |
135 |
268 |
360 |
519 |
795 |
1696 |
2533 |
5700 |
Resilence (rebound), % |
D2632 |
20 |
18 |
46 |
40 |
37 |
35 |
51 |
48 |
54 |
Compression Set |
D790 |
4 |
2 |
31 |
20 |
25 |
25 |
26 |
40 |
N/A |
Brittle Temp |
(°C/°F) |
DMA (TAN DELTA) |
N/A |
N/A |
-29/-20 |
-24/-11 |
-27/-17 |
-25/-13 |
-20/-4 |
-13/-9 |
-33/-27 |
Thermal Expansion |
in/(in·°F) |
|
N/A |
N/A |
1.24E-4 |
1.04E-4 |
1.04E-4 |
1.14E-4 |
1.05E-4 |
1.16E-4 |
1.04E-4 |
Water Absorption |
Fresh |
|
N/A |
N/A |
0.97 |
0.97 |
1.21 |
1.31 |
1.30 |
1.34 |
1.25 |
Cured Density |
G/CM³ |
|
N/A |
N/A |
1.16 |
1.23 |
1.25 |
1.26 |
1.28 |
1.29 |
1.27 |
Max Operating Temperature (F) |
(F*) |
|
170 |
170 |
170 |
170 |
170 |
170 |
170 |
170 |
170 |
Shelf Life |
Years |
|
3 |
3 |
3 |
3 |
3 |
3 |
3 |
3 |
3 |