Semi-Rigid Polyrethane 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
Thick.
Gel Time
(min.)
@ 77°F
Demold
Time (hr.)
@ 77°F
Shore
Hardness
Mixed
Viscosity
(cps)
Density
(g/cc)
Volumetric
Yield
(in.3/lb.)
Shrink
(in./in.)
Tensile
Strength
(psi)
Elongation
(%)
Tear
Strength
(ppi)
Deflection
Temp (°F)
Color
46:100
1:2.5
4"
10-15
24
75-85A
630
1.08
25.6
0.0002
1,420
400
Translucent White
58:100
1:2
4"
10-15
24
85-95A
600
1.09
25.4
0.0002
1,940
500
Translucent White
100:40
4"
23
16
90A
2,000
1.06
26.6
0.0005
1,500
460
350
Amber
77:23
4"
30
10
87A
10,000
1.04
26.5
0.0018
2,100
650
350
Black
100:40
100:39
2"
30
24
95A
2,400
1.04
26.5
0.0002
2,550
430
325
Dark Amber
69:31
4"
10
5
97A
6,000
1.04
26.5
0.0014
2,800
500
415
Black
100:50
100:50
3/4"
15-25
24
60D
750
1.16
23.8
0.001
3,200
45
550
TBD
Amber, Red, Black
100:50
100:50
3/4"
15-25
2-4
60D
750
1.16
23.8
0.001
3,200
45
550
TBD
Black
100:60
100:60
3"
25
24
60D
2,200
1.06
26.3
<0.002
3,600
325
560
135
Amber, Red, Black
100:50
100:50
2"
15
24
65D
3,200
1.03
27
<0.002
3,100
140
630
180
Amber, Red, Black
ASTM
D-2471
D-2240
D-2393
D-792
D-792
D-2566
D-638
D-790
D-624

For comparison, you may also want to check out:
    Flexible Polyurethane Elastomers
    Rigid Polyurethane Elastomers