Epoxy Aerospace Syntactics

Epoxy Aerospace Syntactics Specifications

Mix Ratio
(by wt.)

Mix Ratio
(by vol.)

Gel Time
(min.) @ 72°F

Demold
Time (hr.)
@ 72°F

Hardness
(Shore A)

Mixed Viscosity (cps)

Density
(g/cc)

Volumetric Yield
(in.³/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)

Color

Epocast 1511 A/B

100:20

–

40-60

24

–

Paste

1.25

22.2

–

10,000

–

–

–

–

–

Gray

Epocast 1610-A2

One
component

–

–

–

–

Paste

0.50

55.4

–

2,800

–

–

–

–

–

Off White

Epocast 1615 A/B

100:14

–

15

30

–

Paste

0.70

39.5

–

6,000

–

–

–

–

–

Off White

Epocast 1617 A/B

100:20

–

60-90

7 Days

–

Paste

0.70

39.5

–

5,500

–

–

–

–

–

Off White

Epocast 1618 D/B

100:14

–

15

24

–

Paste

0.70

39.5

–

5,000

–

–

–

–

–

White

Epocast 1626 A/B

100:29

–

15

24

–

Paste

0.70

42.58

–

–

–

–

600

–

–

Brown

Epocast 1628 A/B

100:25

–

65

48

–

Paste

0.50

55.4

–

2,800

–

–

–

–

–

Light Yellow

Epocast 1629 A/B

100:50

–

70

24

–

Paste

0.48

57.67

–

3,000

–

–

–

–

–

Tan

Epocast 1636 A/B

100:8

–

120

7 Days

–

29,000

1.72

16.1

–

15,000

–

–

–

–

–

Gray

Epocast 1648 A/B (discontinued)

100:20

–

18

–

–

Paste

0.65

–

–

7,250

–

–

–

–

–

Off White

Epocast 1652 A/B

100:12

–

30-60

7 Days

–

Paste

0.80

34.6

–

9,500

–

–

–

–

–

Light Tan

Epocast 1670 A/B

100:20

–

60-90

48

–

Paste

0.70

39.5

–

6,500

–

–

–

–

–

Off White

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

–