Product
Number

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)

Specific
Gravity
(mixed)

Volumetric
Yield
(cu. in. / lb.)

Shrink
(in / in)

Compressive
Strength
(psi)

Flexural
Strength
(psi)

Flexural
Modulus
(psi)

Tensile
Strength
(psi)

C.T.E.
(in / in / °F) *

Deflection
Temp. (°F)

Freeman 801

100:12

100:23

150

24

86

4,650

1.7

16.3

0.002

12,500

11,590

-

7,280

3.82 x 10^-5

142°

Freeman 805

100:18

3.4:1

150

24

88

9,750

1.474

18.78

0.001

17,200

9,600

1.1 x 10⁶

8,100

-

200°

RenCast 200

100:10

100:19

90

88

25,000

1.74

15.9

0.0017

12,000

10,600

6,000

1.31 x 10^-5

158

RenCast 3262

100:10

100:16

45

86

20,000

1.70

16.7

0.003

14,400

10,300

7,300

2.70 x 10^-5

180

RenCast 3269

100:9

100:18

60

87

4,300

1.78

15.6

0.001

14,400

13,000

8,700

3.76 x 10^-5

171

RenCast 3269-1

100:12

100:23

150

87

4,600

1.70

16.3

0.003

12,500

11,600

7,300

3.80 x 10^-5

146

RenCast 8269/
Medium

100:10

100:15

90

88

4,300

1.67

16.6

-

20,000

10,900

9,200

2.8 x 10^-5

210

RenCast 8269/
Slow

100:18

100:28

180

85

22,000

1.61

17.2

-

15,600

6,800

5,500

2.2 x 10^-5

171

Product
Number

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)

Specific
Gravity
(mixed)

Volumetric
Yield
(cu. in. / lb.)

Shrink
(in / in)

Compressive
Strength
(psi)

Flexural
Strength
(psi)

Flexural
Modulus
(psi)

Tensile
Strength
(psi)

C.T.E.
(in / in / °F) *

Deflection
Temp. (°F)

Freeman 925

100:8

7.55:1

37

24

85

11,000

1.68

16.48

0.001

40,000

18,000

1.4 x 10⁶

10,200

-

225°

RenCast
Cast-IT 2000

100:7

n/a

60

91

50,000

2.1

13.2

.001

25,500

14,000

9,000

1.47 x 10^-5

408

RenCast 4036/
Ren 1500

100:6

100:10

60

90

20,000

1.69

16.5

0.004

30,000

7,500

6,500

1.90 x 10^-5

300

RenCast 4036/
Ren 1511

100:13

100:22

140

91

15,000

1.58

17.6

0.005

25,800

9,300

6,300

2.25 x 10^-5

350

RenCast 4037/
Ren 4037

100:13

100:22

140-165

91

12-18,000

1.58

17.6

0.005

25,800

9,300

6,300

2.25 x 10^-5

350

RenCast 8236/
Fast

100:6

100:10

107

90

18,200

1.66

16.7

-

33,900

11,300

8,000

2.3 x 10^-5

307

RenCast 8236/
Slow

100:13

100:21

240

91

21,000

1.62

17.1

-

32,580

12,811

8,100

2.4 x 10^-5

294

Product
Number

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)

Specific
Gravity
(mixed)

Volumetric
Yield
(cu. in. / lb.)

Shrink
(in / in)

Compressive
Strength
(psi)

Flexural
Strength
(psi)

Flexural
Modulus
(psi)

Tensile
Strength
(psi)

C.T.E.
(in / in / °F) *

Deflection
Temp. (°F)

Freeman 855

100:10

3.95:1

150

24

87

13,950

2.234

12.39

0.001

13,400

9,100

1.1 x 10⁶

6,800

-

230°

RenCast 3209-1

100:10

100:25

90

75

15,000

2.04

13.5

0.005

16,500

8,400

5,500

2.60 x 10^-5

160

RenCast 3209-2

100:11

100:28

240

85

15,000

2.15

12.9

0.006

11,500

8,000

5,000

3.20 x 10^-5

138

RenCast 3215-1

100:9

100:17

65

90

3,600

1.76

15.9

0.005

13,300

7,600

6,000

2.40 x 10^-5

162

RenCast 3215-2

100:18

100:35

200

88

3,600

1.65

16.9

0.004

11,100

7,300

4,900

3.80 x 10^-5

154

RenCast 3215-3
mix 1

100:30

100:57

70

85

6,200

1.54

18

0.002

12,600

6,900

4,300

-

120

RenCast 3215-3
mix 2

100:40

100:76

65

70

5,400

1.51

18.3

0.002

Soft

300

1,200

-

93

RenCast 3215-3
mix 3

100:50

100:95

60

47

4,600

1.48

18.7

0.002

Rubbery

Rubbery

300

-

N/A

RenCast 3253

100:5

100:16

30

90

7,500

2.99

9.3

0.002

15,200

8,500

7,100

3.26 x 10^-5

169

RenCast 3253-3

100:6

100:17

100

90

10,500

2.57

10.8

0.0007

14,780

9,020

6,800

2.01 x 10^-5

-

RenCast 3261

100:5

100:16

25

88

35,000

2.94

9.4

0.003

16,500

8,500

6,000

3.00 x 10^-5

180

Unfilled Epoxy Casting Resins

Product
Number

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)

Specific
Gravity
(mixed)

Volumetric
Yield
(cu. in. / lb.)

Shrink
(in / in)

Compressive
Strength
(psi)

Flexural
Strength
(psi)

Flexural
Modulus
(psi)

Tensile
Strength
(psi)

C.T.E.
(in / in / °F) *

Deflection
Temp. (°F)

RenCast 140

100:25

100:30

40

80

1,300

1.09

25.4

-

-

-

9,500

-

-

RenCast 3266
mix 1

55:45

100:100

32

75

2,500

1.12

25

0.002

14,000

2,200

2,000

-

136

RenCast 3266
mix 2

50:50

100:120

35

60

2,500

1.10

25.2

0.002

2,600

120

520

-

102

RenCast 3266
mix 3

45:55

100:150

39

40

2,500

1.10

25.2

0.002

Rubbery

Rubbery

Rubbery

-

N/A

ASTM

-

-

D-2471

-

D-2240

D-2393

D-792

D-792

D-2566

D-695

D-790

D-790

D-638

D-696

D-648