Overnight Cure Flexible Urethane Specifications

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Mix Ratio
(by wt.)
Mix Ratio
(by vol.)
Gel Time
(min.) @ 72°F
Demold 
Time (hr.) 
@ 72°F
Hardness 
(Shore A)
Mixed Viscosity (cps)
Density
(g/cc)
Volumetric Yield
(in.3/lb.)
Shrink
(in./in.)
Tensile Strength (psi)
Tear
Strength
(ppi)
Elongation (%)
Tear,
Die C
(PLI)
Tear,
Split
(PLI)
Color
1:1
1:1
30
16
35
1,500
1.02
27.2
0.001
420
-
1000
85
-
Light Brown
10:100
9:100
38
24
45-55
1,350
1.04
26.6
0.001
1,257
>146
225
-
-
Off White
10:100
9:100
40
24
52
1,700
1.04
26.6
0.001
1,143
132
251
-
-
Off White
25:100
22:100
40
16-24
65
1,200
1.07
25.9
0.0005
1,720
214
270
-
-
Off White
1:1
93:100
26
16
37
1,200
1.04
26.6
0.003
504
85
340
-
-
Off White
1:1
1:1
15-17
16-24
28-32
1,200
1.03
26.9
-
670
-
600
100
20
Gray
100:105
1:1
15
24
40
567
1.02
27.2
0.001
600
-
600
90
18
Green
104:100
1:1
22-24
16
59-63
3,200
1.065
26
800
170
600
170
35
Light Amber
1:1
1:1
7-8
12-24
48-52
2,000
1.04
26.6
-
910
-
530
130
25
Gray
ASTM
-
-
D-2471
-
D-2240
D-2393
D-792
D-792
D-2566
D-638
D-624
D-638
     


*Dependent upon mass and component temperature.

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