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 | |
40,000
35,000 |
40,000
35,000 |
40,000
35,000 |
40,000
35,000 |
23,000
20,000 |
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 |
68,000
35,000 |
60,000
35,000 |
60,000
35,000 |
50,000
17,500 |
70,000
25,000 |
45,000
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 |
20,000
18,000 |
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 | 850 | 1,700 | 650 | 850 | 850 | 700 | 800 | 950 | 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 |