|
|
|
|
|
|
G10,
FR4
|
G5,
G9
|
G7
|
|
|
|
|
Units
|
ASTM
Test Method
|
Glass
cloth Reinforced Epoxy
|
Glass
cloth Reinforced Melamine
|
Glass
Cloth Reinforced Silicone
|
|
MECHANICAL
|
1
|
Strength
to Weight Ratio
|
ksi
|
-
|
|
|
|
|
2
|
Specific
Gravity @73 F
|
-
|
D792
|
1.82
|
1.9
|
1.68
|
|
3
|
Tensile
Strength @73 F, (ult)/(yld)
|
psi
|
D638
|
40000
|
37000
|
23000
|
|
4
|
Tensile
Modulus of Elasticity @ 73 F
|
psi
|
D638
|
-
|
-
|
-
|
|
5
|
Tensile
Elongation at Break @ 73 F
|
%
|
D638
|
-
|
-
|
-
|
|
6
|
Flexural
Strength @ 73 F
|
psi
|
D790
|
55000
|
55000
|
23000
|
|
7
|
Flexural
Modulus of Elasticity @ 73 F
|
psi
|
D790
|
2700000
|
2500000
|
1400000
|
|
8
|
Shear
Strength @ 73 F
|
psi
|
D732
|
19000
|
20000
|
17000
|
|
9
|
Compressive
Strength, (% Deformation) @73 F
|
psi
|
D695
|
60000
(10)
|
70000
(10)
|
45000
(10)
|
|
10
|
Compressive
Modulus of Elasticity @73 F
|
psi
|
D695
|
-
|
-
|
-
|
|
11
|
Hardness,
Rockwell, Scale as noted @73 F
|
-
|
D785
|
M110
|
M120
|
M100
|
|
12
|
Hardness, Durometer,
Shore D @73 F
|
-
|
D2240
|
-
|
-
|
-
|
|
13
|
Izod
Impact, (Notched) @73 F
|
ft-lb/in
of notch
|
D256
TypeA
|
7.0
|
12.0
|
8.5
|
|
14
|
Coefficient
of Friction, (Dry vs. Steel) Dynamic
|
-
|
-
|
-
|
-
|
-
|
|
15
|
Limiting
PV, (with 4 to 1 factor of safety applied)
|
psi-ft/min
|
-
|
-
|
-
|
-
|
|
THERMAL
|
16
|
Coefficient
of Linear Thermal Expansion @73 F
|
in/in/F
|
E-831
(TMA)
|
-
|
-
|
-
|
|
17
|
Heat
Deflection Temperature @ 264 psi
|
F
|
D648
|
-
|
-
|
-
|
|
18
|
Tg-Glass
transition temperature, (Amorphous)
|
F
|
D3418
|
-
|
-
|
-
|
|
19
|
Melting
Point, (VS=Vicat Softening Temp.)
|
F
|
D3418
|
-
|
-
|
-
|
|
20
|
Continuous
Service Temperature in Air, (Max.)
|
F
|
-
|
285
|
285
|
465
|
|
21
|
Thermal
Conductivity
|
BTU-in/hr-ft2-F
|
-
|
-
|
-
|
-
|
|
ELECTRICAL
|
22
|
Dielectric
Strength, Short Term
|
Volts/mil
|
D149
|
400
|
350
|
350
|
|
23
|
Volume
Resistivity
|
ohm-cm
|
D257
|
-
|
-
|
-
|
|
24
|
Dielectric
Constant @ 10E6 Hz
|
-
|
D150
|
5.2
|
7.1
|
4.2
|
|
25
|
Dissipation
Factor @ 10E6 Hz
|
-
|
D150
|
0.025
|
0.017
|
0.003
|
|
26
|
Flammability @
3.1 mm unless noted
|
-
|
UL94
|
V-O
|
V-O
|
V-O
|
|
H2O
|
27
|
Water
Absorbtion, Immersion, 24 Hrs
|
%
by wt.
|
D570(7)
|
0.10
|
0.40
|
0.15
|
|
28
|
Water
Absorbtion, Saturation
|
%
by wt.
|
D570(7)
|
-
|
-
|
-
|
