Sumitomo Bakelite EPIALL 1914A Epoxy Molding Compound

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Sumitomo Bakelite EPIALL 1914A Epoxy Molding Compound
Categories:	Polymer; Thermoset; Epoxy; Epoxy Molding Compound
Material Notes:	Epiall 1914A is a short fiberglass reinforced epoxy molding compound, with excellent dimensional stability, good strength properties and good electrical insulation properties. Information provided by Sumitomo Bakelite High Performance Plastics (sbhpp)
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Physical Properties	Metric	English	Comments

Specific Gravity	1.99 g/cc	1.99 g/cc	ASTM D792
Apparent Bulk Density	0.900 g/cc	0.0325 lb/in³	Powder; ASTM D1895
Water Absorption	0.20 % @Time 173000 sec	0.20 % @Time 48.0 hour	ASTM D570
Linear Mold Shrinkage	0.0020 - 0.0040 cm/cm	0.0020 - 0.0040 in/in	ASTM D955

Mechanical Properties	Metric	English	Comments
Tensile Strength	90.0 MPa	13100 psi	ASTM D638
Flexural Strength	135 MPa	19600 psi	ASTM D790
Flexural Modulus	22.0 GPa	3190 ksi	ASTM D790
Compressive Strength	238 MPa	34500 psi	ASTM D695
Izod Impact, Notched	0.370 J/cm	0.693 ft-lb/in	ASTM D256A

Electrical Properties	Metric	English	Comments
Dielectric Constant	4.5 @Frequency 1e+6 Hz	4.5 @Frequency 1e+6 Hz	wet; ASTM D150
Dielectric Strength	>= 12.2 kV/mm @Frequency 60 Hz	>= 310 kV/in @Frequency 60 Hz	SS, wet
	>= 12.6 kV/mm @Frequency 60 Hz	>= 320 kV/in @Frequency 60 Hz	ST, wet
Dissipation Factor	0.020 @Frequency 1e+6 Hz	0.020 @Frequency 1e+6 Hz	wet; ASTM D150
Arc Resistance	190 sec	190 sec	ASTM D495

Thermal Properties	Metric	English	Comments
CTE, linear, Parallel to Flow	14.0 µm/m-°C	7.78 µin/in-°F	ASTM E831
CTE, linear, Transverse to Flow	33.0 µm/m-°C	18.3 µin/in-°F	ASTM E831
Deflection Temperature at 1.8 MPa (264 psi)	280 °C	536 °F	As Molded; ASTM D648A
	>= 282 °C	>= 540 °F	Post Baked; ASTM D648A
Flammability, UL94	V-0 @Thickness 1.60 mm	V-0 @Thickness 0.0630 in

Descriptive Properties
UL Temperature Index	130		UL 746B

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PSUMIT149 / 193954

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