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Overnight Cure Semi-Rigid Urethane Elastomers
View
the Freeman Polyurethane Elastomers brochure (pdf)
View
the RenCast Polyurethane Elastomers Specifications (pdf)
|
Mix
Ratio
(by wt.)
Resin:
Hardener |
Mix
Ratio
(by vol.)
Resin:
Hardener |
Gel
Time
(min.)
@ 72°F |
Demold
Time
(hours)
@ 72°F |
Hardness
(Shore D) |
Mixed
Viscosity (cps) |
Density
(g/cc) |
Volumetric
Yield
(cu. in. / lb.) |
Shrink
(in / in) |
Tensile
Strength (psi) |
Tear
Strength
(ppi) |
Elongation
(%) |
Color |
Freeman
1050 |
1:1 |
100:94 |
26 |
16 |
85A |
1,650 |
1.10 |
25.2 |
0.001 |
2,050 |
280 |
510 |
Lt. Amber |
Freeman
1060 |
100:60 |
100:60 |
28 |
16 |
60 |
2,600 |
1.05 |
26.36 |
0.001 |
3,200 |
545 |
320 |
Red, Black |
Freeman
1066 |
100:50 |
100:50 |
15-17 |
2-4 |
65 |
3,200 |
1.03 |
26.9 |
0.0025 |
3,100 |
630 |
140 |
Red, Black |
RenCast
6402-1 |
35:100 |
31:100 |
20 |
16 |
82A |
900 |
1.08 |
25.6 |
0.001 |
2,200 |
180 |
320 |
Off
White |
RenCast
6403-1 |
50:100 |
44:100 |
15 |
16 |
92A |
800 |
1.1 |
25.2 |
0.001 |
2,500 |
470 |
240 |
Off
White |
RenCast
6442 |
100:100 |
100:94 |
28 |
16 |
85A |
1,600 |
1.09 |
25.39 |
0.001 |
2,100 |
290 |
525 |
Lt.
Amber |
RenCast
6443 |
100:60 |
100:60 |
18 |
16 |
95A |
2,450 |
1.06 |
26.12 |
0.001 |
3,500 |
375 |
475 |
Lt.
Amber |
RenCast
6444 |
100:60 |
100:60 |
27 |
16 |
60D |
2,500 |
1.05 |
26.4 |
0.001 |
3,400 |
550 |
325 |
Lt.
Amber |
RenCast
TDT-178-88/
Ren 6444 |
100:60 |
100:60 |
27 |
16 |
60D |
2,500 |
1.05 |
26.4 |
0.001 |
3,400 |
550 |
325 |
Red |
ASTM |
- |
- |
D-2471 |
- |
D-2240 |
D-2393 |
D-792 |
D-792 |
D-2566 |
D-638 |
D-624 |
D-638 |
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Devcon® Tooling
Plastics Specifications
View
the print-friendly version (pdf)
|
Mix
Ratio
Resin to
Hrd'nr
(by wt.) |
Gel
Time
(Min) |
Mixed
Viscosity
Brookfield
(cps.) |
Coverage
Per Lb.
(in.2 @ 1/4")
|
Vol.
Wt.
Ratio
(in.3/lb.) |
Hardness
(Shore D) |
Ultimate
Tensile
Strength
(psi) |
Operating
Temp.*
(Max °F) |
Shrinkage
(in/in)
(Cast) |
Flexane
80 Liquid |
77/23 |
30 |
10,000 |
106 |
26.5 |
87A |
2,100 |
180 |
0.0018 |
Flexane
80 Putty |
72/28 |
20 |
Putty |
94 |
23.5 |
87A |
1,700 |
180 |
0.0014 |
Flexane
94 |
69/31 |
10 |
6,000 |
106 |
26.5 |
97A |
2,800 |
180 |
0.0014 |
ASTM
test |
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D2240 |
D638 |
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D2566 |
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