Flexible Polyurethane Elastomers Specifications

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.)
Cast Thickness
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)
Elongation (%)
Tear,
Die C
(PLI)
Tear,
Split
(PLI)
Color
1:1
1:1
2"
30
16
35
1,500
1.02
27.2
0.001
420
1000
85
–
Light Brown
1:1
–
4"
15
16
50
800
1.03
26.6
–
600
970
117
–
Orange
4:1
–
4"
15
16
55
4,000
1.01
27.5
–
679
894
155
–
Amber
100:98
1:1
4"
35
24
70A
3,500-4,000
1.06
26.2
–
1,700
‐
‐
55
Gray
39:100
1:3
4"
10-15
24
65-75
660
1.07
25.8
–
1,370
500
230
41
Translucent White
1:1
1:1
3”
30
16
50
1,200
1.0
27.5
–
360
750
74
–
Translucent Green
1:1
95:100
1/4"
10
6
70A
300
1.06
26.1
<0.003
1,460
400
190
‐
White
1:1
1:1
4”
25-30
16-24
28-32
1,200
1.03
26.9
–
670
600
100
20
Gray
100:105
1:1
4”
15
24
40
567
1.02
27.2
0.001
600
600
90
18
Green
104:100
1:1
4”
22-24
16
59-63
2,000
1.065
26
–
800
600
170
35
Light Amber
ISOMold CMR-5001 (discontinued)
1:1
1:1
4”
15
12-24
48-52
2,000
1.04
26.6
–
880
530
130
25
Gray
98:100
1:1
2”
30-35
16-24
68-72
2,080
1.03
26.8
–
1,200
450
220
–
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:
    Semi-Rigid Polyurethane Elastomers
    Rigid Polyurethane Elastomers