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
Casting Thickness Limit
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.)
Tg per
DMA (°F)
Cured
Color
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
1:1
1:1
6
30 - 120 min.
3"
69
80
1.12
24.7
0.002
4,880
5,600
170,000
3,300
137
0.35
172
Beige
100:50
100:50
5-6
1 - 2 hr.
1/8"
72
50/1,100
1.13
24.7
0.005
7,200
8,600
234,000
5,600
163
0.6
153
Off White
100:50
1:1
7-8
8 hr.
1/8"
67
7,800/75
1.16
23.9
-
-
4,750
110,000
3,600
156
6.6
156
Amber
1:1
89:100
4-5
30 - 40 min.
1/8"
85
200/640
1.22
23
-
33,500
16,000
400,000
8,600
205
1.2
224
Off-White
1:1
-
4-5
2 hr.
1/8"
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