Rigid Polyurethane Elastomer Specifications
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| This table only features currently offered products. To compare a complete list of current and discontinued products and their specifications, please view the Legacy Products Specification Table. Please note that product titles link to respective product pages. Products are listed in order of Shore Hardness. |
Mix Ratio (by wt.) |
Mix Ratio (by vol.) |
Gel Time (min.) @ 72°F |
Demold Time (hr.) @ 72°F |
Cast Thick. |
Hardness (Shore D) |
Viscosity (R/H or Mixed (cps) |
Density (g/cc) |
Volumetric Yield (in.3/lb.) |
Shrink (in./in.) |
Compressive Strength (psi) |
Flexural Strength (psi) |
Flexural Modulus (psi) |
Tensile Strength (psi) |
Deflection Temp (°F) |
Izod Impact (ft.lb./in.) |
Cured Color |
|
1:1 |
1:1 |
7 |
30 min. |
3" |
70 |
90 |
1.05 |
26.6 |
0.003 |
– |
4,500 |
235,000 |
4,500 |
– |
3.0 |
White |
|
1:1 |
1:1 |
20 |
2-4 hr. |
3" |
75 |
190 |
1.09 |
25.4 |
0.001 |
– |
9,000 |
– |
5,400 |
140 |
1.32 |
White |
|
|
80:100 |
67:100 |
55 sec. |
15-30 |
– |
77 |
200/1,600 |
1.15 |
24 |
– |
23,100 |
7,000 |
184,000 |
4,900 |
250 |
0.90 |
Black |
|
100:92 |
1:1 |
3 |
15-30 min. |
1/2" |
70 |
80 |
1.05 |
26.6 |
0.010 |
3,650 |
4,500 |
132,000 |
3,000 |
140 |
– |
Off White |
|
115:100 |
1:1 |
20 |
2-4 hr. |
1/2" |
80 |
150 |
1.12 |
24.7 |
0.003 |
8,300 |
9,500 |
288,000 |
6,650 |
134 |
0.31 |
White |
|
|
ASTM |
– |
– |
D-2471 |
– |
– |
D-2240 |
D-2393 |
D-792 |
D-792 |
D-2566 |
D-695 |
D-790 |
D-638 |
D-790 |
D-648 |
D-256 |
– |
*Deflection Temperature is the temperature when a 1/2" x 1/2" x 5" bar (supported at both ends) deflects 0.010 of an inch under a 66 psi fiber stress. The maximum service temperature may be far above this value depending on the application and the stress of the plastic at high temperature.
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For comparison, you may also want to check out: | |
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Flexible Urethane Elastomers | |
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Semi-Rigid Urethane Elastomers | |