Laminated Sheet Properties
per NEMA based on .500 sheet

C

CE

FR-5

G10/FR4

G-11

G-3

G-5

Minimum
Breakdown Voltage

condition A

15.0

35.0

45.0

45.0

45.0

na

23.5

Maximum
Permitivity
@ 1MHz

condition A

na

na

5.2

5.2

5.5

na

8.5

Maximum
Dissipation
Factor
@1 MHz

condition A

na

na

0.025

0.025

0.025

na

0.020

Minimum
Arc
Resistance

na

na

na

na

na

na

180

Minimum
Izod
Impact
Strength

Lengthwise

1.90

1.60

7.0

7.0

7.0

6.5

9.0

Crosswise

1.70

1.40

5.5

5.5

5.5

5.5

6.0

Minimum
Flexual
Strength

Lengthwise

16.0

15.5

45.0

45.0

45.0

30.0

31.2

Crosswise

15.0

13.5

35.0

35.0

35.0

20.0

28.5

Minimum
Bonding
Strength

condition A

1800

1800

1600

2000

1600

850

1570

Maximum
Water
Absorbtion

1.20%

0.75%

0.10%

0.10%

0.10%

1.50%

1.50%

G-7

G-9

L

LE

X

XX

XXX

Minimum
Breakdown Voltage

condition A

32.0

60.0

15.0

40.0

na

40.0

50.0

Maximum
Permitivity
@ 1MHz

condition A

4.2

7.5

na

5.8

na

5.5

5.3

Maximum
Dissipation
Factor
@1 MHz

condition A

0.003

0.017

na

0.055

na

0.045

0.038

Minimum
Arc
Resistance

180

180

na

na

na

na

na

Minimum
Izod
Impact
Strength

Lengthwise

6.5

9.0

1.35

1.25

0.55

0.40

0.40

Crosswise

5.5

6

1.10

1.0

0.50

0.35

0.35

Minimum
Flexual
Strength

Lengthwise

16.0

45.0

15.5

15.0

24.0

15.0

13.5

Crosswise

13.0

30.0

14.0

13.5

21.0

14.0

11.8

Minimum
Bonding
Strength

condition A

650

1700

1600

1600

700

800

950

Maximum
Water
Absorbtion

0.20%

0.40%

0.90%

0.70%

1.10%

0.55%

0.45%