Mix Ratio
(by wt.)
Resin:
Hardener

Mix Ratio
(by vol.)
Resin:
Hardener

Gel Time
(min.)
@ 72°F

Demold Time
(hours)
@ 72°F

Specific
Gravity
(mixed)

Hardness
(Shore D)

Shrink
(in / in)

Compressive
Strength
(psi)

Deflection Temp. (°F)

Flexural Strength
(psi)

Tensile Strength (psi)

C.T.E.
(in / in / °F) *

Flexural Modulus (psi)

Mixed Viscosity (cps)

Volumetric Yield
(cu. in. / lb.)

Flexible Urethanes

1035

1:1

1:1

30

16

1.02

40A

-

-

-

-

450

-

-

1,500

27.2

1035

1035T

80:100

1:1

20

16

1.17

40A

-

-

-

-

-

-

-

Thixotropic

23.6

1035T

1040

10:100

9:100

28

1.04

52A

0.001

-

-

-

1,190

-

-

1,350

26.6

1040

Semi-Rigid Urethanes

1050

1:1

100:94

26

24

1.10

85A

0.001

-

-

-

2,050

-

-

1,650

25.2

1050

1060

100:60

100:60

28

24

1.05

60

0.001

-

-

-

3,200

-

-

2,600

26.36

1060

1066

100:50

100:50

15-17

2-4

1.03

65

0.0025

1,800

181

3,700

3,100

-

74,000

3,200

26.9

1066

Rigid Urethanes

1070

100:92

1:1

3

15-30 min

1.05

70

0.004

-

-

-

3,000

-

-

80

26.6

1070

1075

100:50

100:50

5

15-180 min

1.13

72

0.003

7,200

163°

8,600

5,900

60.0 x 10^-6

2.34 x 10⁵

200

24.3

1075

1080 Fast

117:100

1:1

7

1-3

1.12

80

0.001

8,300

134°

9,500

6,650

-

2.88 x 10⁵

150

24.7

1080 Fast

1080 Slow

117:100

1:1

20

2-4

1.12

80

0.001

8,300

134°

9,500

6,650

-

2.88 x 10⁵

150

24.7

1080 Slow

1085

1:1

1:1

6

1/2 - 2

1.12

69

0.002

4,880

137°

5,600

3,300

-

1.7 x 10⁵

80

24.7

1085

1090 Fast

100:90

1:1

9

1/2 - 4

1.04

80

0.001

-

-

11,000

2,500

-

-

600

26.7

1090 Fast

1090 Slow

100:90

1:1

20

16

1.04

80

0.001

-

-

11,000

2,500

-

-

600

26.7

1090 Slow

Paste Materials

1010 *

1:1

1:1

60

24

0.95

77

0.0003

5,000

180°

4,600

3,800

-

3.1 x 10⁵

Putty

29.14

1010 *

1020 *

100:33

2.74:1

50

24

0.456

55

0.0005

28,000

190°

32,000

-

-

1.84 x 10⁶

Putty

60.7

1020 *

1030

41:100

1:3

9

90 Min.

1.04

70

-

-

-

-

-

-

-

Paste

26.7

1030

ASTM

-

-

D-2471

-

D-792

D-2240

D-2566

D-695

D-648

D-790

D-638

D-3386

D-790

D-2393

D-792