Intermediate Cure Polyurethane Elastomers Specifications

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Note: Product titles link to the respective product pages.

 

Mix Ratio
(by wt.)
Mix Ratio
(by vol.)
Gel Time
(min.) 
@ 72°F
Demold Time
@ 72°F
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)
Tensile Strength (psi)
Flexural Modulus (psi)
Deflection Temp. (°F)
Izod Impact
(ft.lb./in.)
Tg per
DMA (°F)
Cured
Color
100:92
1:1
3
15 - 30 min.
70
80
1.05
26.6
0.004
3,650
4,500
3,000
132,000
140
-
-
Off White
115:100
1:1
20
2 - 4 hr.
80
150
1.12
24.7
0.003
8,300
9,500
6,650
288,000
134
0.31
-
White
1:1
1:1
6
30 - 120 min.
69
80
1.12
24.7
0.002
4,880
5,600
3,300
170,000
137
0.35
172
Beige
100:50
100:50
5-6
1 - 2 hr.
72
50/1,100
1.13
24.5
0.005
7,200
8,600
5,900
234,000
163
0.6
153
Off White
100:50
1:1
7-8
8 hr.
67
7,800/75
1.16
23.9
-
-
4,750
3,600
110,000
156
6.6
156
Amber
1:1
89:100
4-5
30 - 40 min.
85
200/640
1.22
23
-
33,500
16,000
8,600
400,000
205
1.2
224
Amber
1:1
-
4-5
2 hr.
70A
1,875
1.1
25.2
-
-
-
995
-
-
-
-
Light Amber
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
D-4065

 

*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.

For comparison, you may also want to check out:
    Rapid Cure Urethane Elastomers
    Overnight Cure Urethane Elastomers - Flexible
    Overnight Cure Urethane Elastomers - Semi-Rigid
    Overnight Cure Urethane Elastomers - Rigid