THERMOSET INDUSTRIAL LAMINATE PROPERTIES
Engineering Values (MIN unless noted) |
| Properties |
Nema Grades
reinforcements
resin binders |
G10, FR4
glass cloth
epoxy |
G10
glass cloth
non FR
epoxy |
G11, FR5
glass cloth
epoxy HT |
G11
glass cloth
non FR
epoxy HT |
G3
glass cloth
phenolic |
G5, G9
glass cloth
melamine |
G7
glass cloth
silicone |
GPO 1
glass mat
polyester |
GPO 3
glass mat
polyester |
X
paper
phenolic |
XX
paper
phenolic |
XXX
paper
phenolic |
C, CE
canvas
phenolic |
L, LE
linen
phenolic |
Tensile Strength
lengthwise, PSI
crosswise, PSI |
|
50,000
35,000 |
50,000
35,000 |
50,000
35,000 |
50,000
35,000 |
50,000
35,000 |
37,000
30,000 |
23,000
18,000 |
8,000
---- |
8,000
---- |
20,000
16,000 |
16,000
13,000 |
15,000
12,000 |
9,000
7,000 |
12,500
8,750 |
Compressive Strength
flatwise, PSI
edgewise, PSI |
|
60,000
35,000 |
60,000
35,000 |
60,000
35,000 |
60,000
35,000 |
50,000
35,000 |
50k/70k
25,000 |
25,000
14,000 |
30,000
---- |
30,000
---- |
36,000
19,000 |
34,000
23,000 |
32,000
25,500 |
39,000
24,500 |
37,000
25,000 |
Flexural Strength - .125"
lengthwise, PSI
crosswise, PSI |
|
55,000
45,000 |
55,000
45,000 |
55,000
45,000 |
55,000
45,000 |
50,000
35,000 |
55,000
35,000 |
20,000
18,000 |
18,000
---- |
18,000
---- |
25,000
22,000 |
15,000
14,000 |
13,500
11,800 |
17,000
16,000 |
16,500
14,000 |
Modulus of Elasticity -
Flexural lengthwise, kPSI
crosswise, kPSI |
|
2,700
2,200 |
2,700
2,200 |
2,800
2,300 |
2,800
2,300 |
1,500
1,200 |
2,500
2,200 |
1,400
1,200 |
1,200
1,000 |
1,200
1,000 |
1,800
1,300 |
1,400
1,100 |
1,300
1,100 |
1,000
900 |
1,000
850 |
IZOD Impact
lengthwise, ft-lb/in of notch
crosswise, ft-lb/in of notch |
|
7.0
5.5 |
7.0
5.5 |
7.0
5.5 |
7.0
5.5 |
6.5
5.5 |
7.0
5.5 |
6.5
5.5 |
8
---- |
8
---- |
0.55
0.50 |
0.40
0.35 |
0.40
0.35 |
2.1 / 1.6
1.9 / 1.4 |
1.35 /1.25
1.1/ 1.0 |
| Rockwell Hardness M scale |
|
110 |
111 |
114 |
112 |
100 |
120 |
100 |
100 |
100 |
110 |
105 |
110 |
104 |
105 |
| Specific Gravity |
|
1.85 |
1.80 |
1.85 |
1.80 |
1.65 |
1.90 |
1.68 |
1.80 |
1.85 |
1.36 |
1.34 |
1.32 |
1.36 |
1.34 |
| Bond Strength, in lbs. |
|
2,000 |
2,000 |
1,600 |
1,600 |
1,500 |
1,700 |
650 |
850 |
850 |
700 |
1,500 |
1200 |
1,800 |
1,600 |
Coefficient of Thermal Expansion
cm/cm-°C X 10-5 |
|
1.0 |
0.9 |
1.0 |
0.9 |
1.8 |
1.0 |
1.0 |
2.0 |
2.0 |
2.0 |
2.0 |
2.0 |
2.0 |
2.0 |
Water Absorption
.062" thick, % per 24 hrs
.125" thick, % per 24 hrs
.500" thick, % per 24 hrs |
|
0.25
0.15
0.10 |
0.25
0.15
0.10 |
0.25
0.15
0.10 |
0.25
0.15
0.10 |
2.70
2.00
1.50 |
0.80
0.70
0.40 |
0.55
0.35
0.20 |
1.00
0.70
0.35 |
0.60
0.50
0.25 |
6.00
3.30
1.10 |
2.00
1.30
0.55 |
1.40
0.95
0.45 |
4.4 / 2.2
2.5 / 1.6
1.2 / .75 |
2.5 / 1.95
1.6 / 1.3
0.9 / 0.7 |
Dielectric Strength, volt/mil
perpendicular to laminations;
Step by Step
.062" thick
.125" thick |
|
450
350 |
450
350 |
450
350 |
450
350 |
500
450 |
350
275 |
350
250 |
370
---- |
400
---- |
500
360 |
500
360 |
450
320 |
300
220 |
300
220 |
Dissipation Factor
condition A, 1 megacycle-max |
|
0.025 |
0.025 |
0.025 |
0.025 |
-- |
0.017 |
0.003 |
0.03 |
0.03 |
---- |
0.045 |
0.038 |
---- |
0.055 |
Dielectric Constant
condition A, 1 megacycle-max |
|
5.2 |
5.2 |
5.2 |
5.2 |
---- |
7.80/7.20 |
4.2 |
4.3 |
4.3 |
---- |
---- |
---- |
---- |
---- |
Insulation Resistance
Megaohms at Condition C |
|
200,000 |
200,000 |
200,000 |
200,000 |
---- |
10,000 |
100,000 |
---- |
---- |
---- |
60 |
1000 |
---- |
---- |
| Arc Resistance - Sec. |
|
---- |
---- |
---- |
---- |
---- |
180 |
180 |
100 |
150 |
---- |
---- |
---- |
---- |
---- |
Temp Index .062" and over
Electrical - °C
Mechanical - °C |
|
130
140 |
130
140 |
170
180 |
170
180 |
140
170 |
---
140 |
170
220 |
|
120
140 |
130
130 |
140
140 |
140
140 |
115
125 |
115
125 |
Mil-I-24768
MIL - Type |
|
27
GEE-F |
2
GEE |
28
GEB-F |
3
GEB |
18
GPG |
8 / 1
GMG/GME |
17
GSG |
4
GPO N-1 |
6
GPO N-3 |
12
PBM |
11
PBG |
10
PBE |
16, 14
FBM/FBG |
15, 13
FBI/FBE |