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Sumitomo Bakelite North America E 3812M-1 Mineral and Glass Filled Electrical Encapsulation Grade Epoxy

Category Polymer , Thermoset , Epoxy , Epoxy, Encapsulating, Glass or Mineral Filled , Filled/Reinforced Thermoset
Manufacturer Sumitomo Bakelite North America
Trade Name
Port Shanghai port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF Sumitomo Bakelite North America E 3812M-1 Mineral and Glass Filled Electrical Encapsulation Grade Epoxy.pdf
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Material Notes:
E 3812M-1 is a mineral and short fiberglass filled epoxy molding compound for low pressure encapsulation molding, featuring excellent dimensional stability, good thermal shock resistance, and good electrical insulation properties.Information provided by Sumitomo Bak North America, Inc.
Physical Properties Metric English Comments
Bulk Density 0.950 g/cc
0.0343 lb/in³
ASTM D1895
Density 1.86 g/cc
0.0672 lb/in³
ASTM D792
Water Absorption 0.30 %

@Temperature 50.0 °C,
Time 173000 sec
0.30 %

@Temperature 122 °F,
Time 48.0 hour
ASTM D570
Linear Mold Shrinkage 0.0035 - 0.0050 cm/cm
0.0035 - 0.0050 in/in
ASTM D955
Mechanical Properties Metric English Comments
Tensile Strength at Break 58.0 MPa
8410 psi
ASTM D638
Flexural Strength 94.0 MPa
13600 psi
at rupture; ASTM D790
Flexural Modulus 13.0 GPa
1890 ksi
ASTM D790
Compressive Strength 213 MPa
30900 psi
ASTM D695
Izod Impact, Notched 0.160 J/cm
0.300 ft-lb/in
ASTM D256
Thermal Properties Metric English Comments
Deflection Temperature at 1.8 MPa (264 psi) >= 280 °C
>= 536 °F
Post Baked; ASTM D648A
Electrical Properties Metric English Comments
Dielectric Constant 3.8

@Frequency 1.00e+6 Hz
3.8

@Frequency 1.00e+6 Hz
wet; ASTM D150
Dielectric Strength 13.8 kV/mm

@Frequency 60.0 Hz
351 kV/in

@Frequency 60.0 Hz
step-by-step, wet; ASTM D149
16.0 kV/mm

@Frequency 60.0 Hz
406 kV/in

@Frequency 60.0 Hz
short time, wet; ASTM D149
Dissipation Factor 0.020

@Frequency 1.00e+6 Hz
0.020

@Frequency 1.00e+6 Hz
wet; ASTM D150
Arc Resistance 178 sec
178 sec
ASTM D495
Descriptive Properties Value Comments
Color Black
Form Granular
Molding Method Compression
Transfer
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