Overnight Cure Rigid Urethane Specifications

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Mix Ratio
Resin:Hrd'nr.
(By Wt.)

Mix Ratio
Resin:Hrd'nr.
(By Vol.)

Color

Mixed
Viscosity (cps)
(5 min. @ 77°F)

Hardness
(Shore D)

Gel
Time
(min.)

Density
(g/cc)

Vol. Wt. Ratio
(cu. in. / lb.)

Tensile
Strength
(psi)

Elongation
(%)

Tear
Strength 
(ppi)

Shrink *
(in. / in.)

RenCast 6405

100:100

90:100

White

240

75

20

1.13

24.5

5,300

13.3

300

0.003

RenCast 6419

100:80

100:85

Off White

250

85

15

1.27

21.8

10,258

3.5

-

0.001

RenCast 6470

80:100

-

Off White

250-500

86

60-80

1.23

22.5

4,700

1.3

-

0.002

RenCast 6495

100:100

90:100

Amber

190-300

75

20

1.13

24.5

5,300

13.3

300

0.0007

RenCast 178-59-1

36:100

50:100

Red Brown

4,000

88

20

1.61

17.2

5,500

-

-

0.001

ASTM

 

 

 

D-2393

D-2240

D-2471

D-792

D-792

D-638

D-638

D-624

D-3566