RenPIM® Parts In Minutes® Rapid Prototyping Polyurethanes Specifications

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Mix Ratio
R:H 
by volume

Gel Time
(sec)

Demold 
Time (min.)

Viscosity
R/H
(cps.)

Density
(g/cc)

Ultimate
Compressive Strength 
(psi)

Hardness
(Shore D)

Ultimate
Flexural
Strength
(psi)

Ultimate
Tensile
Strength
(psi)

Flexural 
Modulus
(psi)

Deflection
Temp.*
(264 psi)
(°F)

Izod 
Impact
(ft.lb./in.)

Tg per
DMA
(°F)

Cured
Colors

RenPIM 6450

67:100

45-65

15-30

170 / 1,600

1.16

23,100

77

7,000

4,900

184,000

208

0.9

306

Buff

RenPIM 6452

67:100

50-70

15-30

30 / 1,600

1.16

22,300

79

7,900

4,300

198,000

162

0.8

252

Off-white

RenPIM 6458

100:100

35-60

15-30

75 / 400

1.21

14,100

86

16,500

10,200

432,000

129

0.9

190

Clear Amber

RenPIM 6460

67:100

45-65

15-30

170 / 1,500

1.18

24,500

80

7,100

5,400

181,000

232

1.1

320

Buff

ASTM test

 –

 –

– 

D-2393

D-792

D-695

D-2240

D-790

D-638

D-790

D-648

D-256

D-4065

– 

*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 264 psi fiber stress.
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:
  Intermediate Cure Urethane Elastomer
  Overnight Cure Urethane Elastomers - Flexible
  Overnight Cure Urethane Elastomers - Sim-Rigid
  Overnight Cure Urethane Elastomers - Rigid