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G-7 Fiberglass Silicone Laminate Sheet
Categories:
Polymer
;
Thermoset
;
Filled/Reinforced Thermoset
;
Silicone
Material Notes:
This glass-silicone laminate has good electrical properties under humid conditions, excellent heat and arc resistance, and is self-extinguishing.
Information provide by Boedeker Plastics.
Key Words:
G7 Fiber Reinforced Composite
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Physical Properties
Metric
English
Comments
Density
1.80
g/cc
0.0650
lb/in³
ASTM D792
Water Absorption
0.10 %
0.10 %
24 hrs.; ASTM D570
Mechanical Properties
Metric
English
Comments
Hardness, Rockwell M
105
105
ASTM D785
Tensile Strength at Break
138
MPa
20000
psi
Lengthwise; ASTM D638
Flexural Strength
207
MPa
30000
psi
Lengthwise; ASTM D790
Flexural Modulus
11.0
GPa
1600
ksi
Lengthwise; ASTM D790
Compressive Strength
345
MPa
50000
psi
ASTM D695
Izod Impact, Notched
6.94
J/cm
13.0
ft-lb/in
Lengthwise; ASTM D256
Electrical Properties
Metric
English
Comments
Dielectric Constant
4.5
@Frequency 1e+6 Hz
4.5
@Frequency 1e+6 Hz
ASTM D150
Dielectric Strength
13.8
kV/mm
350
kV/in
Short Time; 1/8 inch; ASTM D149
Dissipation Factor
0.018
@Frequency 1e+6 Hz
0.018
@Frequency 1e+6 Hz
ASTM D150
Arc Resistance
240
sec
240
sec
ASTM D495
Thermal Properties
Metric
English
Comments
CTE, linear
13.0
µm/m-°C
@Temperature 20.0 °C
7.20
µin/in-°F
@Temperature 68.0 °F
Lengthwise; ASTM D696
CTE, linear, Transverse to Flow
16.2
µm/m-°C
@Temperature 20.0 °C
9.00
µin/in-°F
@Temperature 68.0 °F
Crosswise; ASTM D696
Thermal Conductivity
0.288
W/m-K
2.00
BTU-in/hr-ft²-°F
ASTM C177
Maximum Service Temperature, Air
220
°C
428
°F
Flammability, UL94
HB
HB
Some of the values displayed above may have been converted from their original units and/or rounded in order to display the information in a consistent format. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error. We also ask that you refer to MatWeb's
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