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Sumitomo Bakelite North America 4064 Mineral Filled Electrical Encapsulation Grade Epoxy
Categories:
Polymer
;
Thermoset
;
Epoxy
;
Epoxy, Encapsulating, Glass or Mineral Filled
;
Filled/Reinforced Thermoset
Material Notes:
Rogers electrical encapsulation grade epoxy is recommended for capacitors, resistors, gold lead encapsulation, relays, coils and bobbins.
Information provided by Sumitomo Bakelite North America, Inc.
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Physical Properties
Metric
English
Comments
Density
1.79
g/cc
0.0647
lb/in³
ASTM D792
Water Absorption
0.10 %
0.10 %
48 hours, 50°C. ASTM D570
Linear Mold Shrinkage
0.0040
-
0.0070
cm/cm
0.0040
-
0.0070
in/in
Compression Molding. ASTM D955
Mechanical Properties
Metric
English
Comments
Hardness, Barcol
70
70
Tensile Strength, Ultimate
41.0
MPa
5950
psi
ASTM D638
Flexural Yield Strength
131
MPa
19000
psi
ASTM D790
Flexural Modulus
19.0
GPa
2760
ksi
ASTM D790
Compressive Yield Strength
262
MPa
38000
psi
ASTM D695
Izod Impact, Notched
0.270
J/cm
0.506
ft-lb/in
ASTM D256A
Electrical Properties
Metric
English
Comments
Dielectric Constant
3.5
3.5
Wet; ASTM D150
Dielectric Strength
13.0
kV/mm
330
kV/in
Wet, short term. ASTM D149
Dissipation Factor
0.019
@Frequency 1e+6 Hz
0.019
@Frequency 1e+6 Hz
Wet; ASTM D150
Arc Resistance
180
sec
180
sec
ASTM D495
Thermal Properties
Metric
English
Comments
CTE, linear, Parallel to Flow
20.0
µm/m-°C
@Temperature 20.0 °C
11.1
µin/in-°F
@Temperature 68.0 °F
ASTM D696
Processing Properties
Metric
English
Comments
Mold Temperature
143
-
177
°C
289
-
351
°F
compression/transfer molding.
174
-
182
°C
345
-
360
°F
injection molding.
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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