Sumitomo Bakelite North America E 8398 Hardware Grade Epoxy

Category	Polymer , Thermoset , Epoxy , Filled/Reinforced Thermoset
Manufacturer	Sumitomo Bakelite North America
Trade Name
Port	Ningbo port,China
Trade Terms	FOB, CFR, CIF
Payment Terms	L/C, T/T, Western Union
Download PDF	Sumitomo Bakelite North America E 8398 Hardware Grade Epoxy.pdf
Price	EMAIL US sales@lookpolymers.com
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Material Notes:

Fiberglass and mineral reinforced epoxy molding compound with excellent dimensional stability, good electrical insulation properties, and good strength.Information provided by Vyncolit, a Sumitomo Bak Group

Physical Properties	Metric	English	Comments
Bulk Density	0.900 g/cc	0.0325 lb/inÂ³	Powder Density; ASTM D1895
Density	1.98 g/cc	0.0715 lb/inÂ³	Relative Density; ASTM D792
Linear Mold Shrinkage	0.0050 cm/cm	0.0050 in/in	Compression Molding; ASTM D955

Mechanical Properties	Metric	English	Comments
Tensile Strength at Break	76.0 MPa	11000 psi	ASTM D638
Flexural Strength	140 MPa	20300 psi	At Rupture; ASTM D790
Flexural Modulus	17.0 GPa	2470 ksi	ASTM D790
Compressive Strength	280 MPa	40600 psi	ASTM D695
Izod Impact, Notched	0.190 J/cm	0.356 ft-lb/in	ASTM D256

Thermal Properties	Metric	English	Comments
CTE, linear, Parallel to Flow	24.0 Âµm/m-Â°C @Temperature 20.0 Â°C	13.3 Âµin/in-Â°F @Temperature 68.0 Â°F	ASTM E-831
Thermal Conductivity	0.840 W/m-K	5.83 BTU-in/hr-ftÂ²-Â°F	ASTM C-518
Deflection Temperature at 1.8 MPa (264 psi)	220 Â°C	428 Â°F	As molded; ASTM D648A
	>= 282 Â°C	>= 540 Â°F	Post Baked; ASTM D648A

Electrical Properties	Metric	English	Comments
Dielectric Constant	3.9 @Frequency 1e+6 Hz	3.9 @Frequency 1e+6 Hz	Wet; ASTM D150
Dielectric Strength	15.4 kV/mm	391 kV/in	60Hz, Step-by-Step, wet; ASTM D149
	16.2 kV/mm	411 kV/in	60Hz, Step-by-Step, dry; ASTM D149
	21.1 kV/mm	536 kV/in	60Hz, Short Time, wet; ASTM D149
	22.0 kV/mm	559 kV/in	60Hz, Short Time, dry; ASTM D149
Dissipation Factor	0.014 @Frequency 1e+6 Hz	0.014 @Frequency 1e+6 Hz	wet; ASTM D150
Arc Resistance	180 sec	180 sec	ASTM D495

Descriptive Properties	Value	Comments
Color	Black
Form	Granular
Main Filler	Glass Fiber & Mineral
Molding Method	Compression, transfer

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