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RenCast® Fast Polyurethane Elastomers Specifications

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Product
Number

Mix Ratio
R:H
by wt.

Gel
Time
(min.)

Demold
Time (hrs.)

Viscosity
R/H
(cps.)

Density
(g/cc)

Ultimate
Compressive Strength
(psi)

Hardness
(Shore)

Ultimate
Flexural
Strength
(psi)

Ultimate
Tensile
Strength
(psi)

Flexural
Modulus
(psi)

Deflection
Temp.*
(66 psi)
(°F)

Izod
Impact
(ft.lb./in.)

Tg per
DMA
(°F)

Cured
Colors

RenCast 6432-1 Fast

100:50

5-6

1-2

50/1,100

1.09

7,200

72

8,600

5,900

234,000

163

0.6

153

Off-White

RenCast 6463 Fast

100:100

4-6

4-6

280/700

1.09

6,800

79

10,800

5,700

230,000

152

1.1

-

Cystal Clear

RenCast 6486 Slow

100:50

7-8

8

7,800/75

1.16

-

67

4,800

3,600

110,000

156

6.6

217

Amber

RenCast 6488

100:32

13-16

8

3,000/145

1.1

-

68

4,400

3,600

95,000

206

5.0

249

Black

RenCast 6491 Fast

100:100

4-5

4-6

200/640

1.14

33,500

85

16,000

8,600

400,000

205

0.8

224

Amber

RenCast 6492 Fast

100:100

5-8

4

40/1,800

1.3

15,500

85

14,000

8,200

400,000

158

0.5

156

Off-White

RenCast 6493 Fast

30:100

11-12

3

-

-

-

30A

-

507

-

-

-

-

Light Amber

RenCast 6494 Fast

50:100

5-7

4

2,200 mixed

-

-

45A

-

385

-

-

-

-

Light Amber

RenCast 6496 Fast

100:100

5-6

2-4

-

1.1

-

68

-

4,000

110,000

140

0.8

-

White

RenCast 6497 Fast

100:100

4-5

2

-

-

-

70A

-

995

-

-

-

-

Light Amber

RenCast 6498 Fast

50:100

5-6

2

-

-

-

85A

-

950

-

-

-

-

Light Amber

RenPIM VG2185

80:100

5-6

45 min

1600 / 200

1.14

-

80D

8,700

6,500

-

230

3.9**

-

Black

ASTM test

 

 

 

D2393

D792

D695

D2240

D790

D638

D790

D648

D256

D4065

 

*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.
**Unnotched
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:
  Freeman Polyurethane Elastomers
  RenCast Polyurethane Elastomers
  RenPIM Parts In Minutes Rapid-Prototyping Polyurethanes

 

 

 
 

 

 

 

 


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