Bakelite® EP 8414 Epoxy Resin, High Arc Resistance, Improved Electrical Properties, Low Shrinkage

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Bakelite® EP 8414 Epoxy Resin, High Arc Resistance, Improved Electrical Properties, Low Shrinkage
Categories:	Polymer; Thermoset; Epoxy; Epoxy Molding Compound; Filled/Reinforced Thermoset
Material Notes:	Epoxy molding compound, inorganically filled, glass fiber reinforced, highly heat resistant, good electrical properties, even at higher temperatures, very slight post shrinkage, increased media resistance, UL listed molding compound 1.5 mm / HB (BK). Applications: Electrical parts, thermally, chemically and mechanically stressed parts, e.g. terminal boards, bobbins, car electronic, reflectors, spark plug connectors
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Physical Properties	Metric	English	Comments

Density	1.85 g/cc	0.0668 lb/in³	ISO 1183
Apparent Bulk Density	0.800 g/cc	0.0289 lb/in³	ISO 60
Linear Mold Shrinkage	0.0035 cm/cm	0.0035 in/in	Injection Molding. Post Shrinkage = 0.05%.; ISO 2577

Mechanical Properties	Metric	English	Comments
Ball Indentation Hardness	350 MPa	50800 psi	H961/30; ISO 2039/P1
Tensile Strength	70.0 MPa	10200 psi	ISO 527 - 1/2
Tensile Modulus	14.0 GPa	2030 ksi	ISO 527 - 1/2
Flexural Strength	130 MPa	18900 psi	ISO 178
Flexural Modulus	15.5 GPa	2250 ksi	ISO 178
Compressive Strength	150 MPa	21800 psi	ISO 604
Charpy Impact Unnotched	0.900 J/cm²	4.28 ft-lb/in²	ISO 179-1 eU
Charpy Impact, Notched	0.300 J/cm²	1.43 ft-lb/in²	ISO 179-1eA

Electrical Properties	Metric	English	Comments
Volume Resistivity	1.00e+13 ohm-cm	1.00e+13 ohm-cm
Surface Resistance	1.00e+12 ohm	1.00e+12 ohm
Dielectric Constant	5.5 @Frequency 100 Hz	5.5 @Frequency 100 Hz
Dielectric Strength	24.0 kV/mm @Thickness 1.00 mm	610 kV/in @Thickness 0.0394 in	IEC 60243-P1
Dissipation Factor	0.020 @Frequency 100 Hz	0.020 @Frequency 100 Hz
Arc Resistance	190 - 195 sec	190 - 195 sec	ASTM D495
Hot Wire Ignition, HWI	>= 120 sec @Thickness 1.50 mm	>= 120 sec @Thickness 0.0591 in	BK
High Amp Arc Ignition, HAI	>= 120 arcs @Thickness 1.50 mm	>= 120 arcs @Thickness 0.0591 in	BK
High Voltage Arc-Tracking Rate, HVTR	0.000 - 10.0 mm/min @Thickness 3.00 mm	0.000 - 0.394 in/min @Thickness 0.118 in	BK

Thermal Properties	Metric	English	Comments
Maximum Service Temperature, Air	170 °C	338 °F	<20000 hours; IEC 60216-P1
	210 °C	410 °F	< 50 hours; IEC 60216-P1
Deflection Temperature at 8.0 MPa	115 °C	239 °F	ISO 75-2
UL RTI, Electrical	130 °C @Thickness 1.50 mm	266 °F @Thickness 0.0591 in	BK
UL RTI, Mechanical with Impact	130 °C @Thickness 1.50 mm	266 °F @Thickness 0.0591 in	BK
UL RTI, Mechanical without Impact	130 °C @Thickness 1.50 mm	266 °F @Thickness 0.0591 in	BK
Flammability, UL94	HB @Thickness 1.50 mm	HB @Thickness 0.0591 in	BK

Processing Properties	Metric	English	Comments
Feed Temperature	60.0 - 75.0 °C	140 - 167 °F	Injection molding
Nozzle Temperature	70.0 - 100 °C	158 - 212 °F	Injection molding
Melt Temperature	90.0 - 100 °C	194 - 212 °F	Injection molding
Mold Temperature	160 - 190 °C	320 - 374 °F	Compression molding
	170 - 190 °C	338 - 374 °F	Injection molding
Injection Pressure	>= 10.0 MPa	>= 1450 psi	Compression and injection cavity mold pressure
Back Pressure	0.500 - 2.00 MPa	72.5 - 290 psi	Injection molding
Cure Time	0.250 - 0.417 min	0.00417 - 0.00694 hour	Per 1 mm of wall thickness, injection molding
	0.500 - 1.00 min	0.00833 - 0.0167 hour	Per 1 mm of wall thickness, compression molding

Descriptive Properties
Chromatic Spectrum	Subdued Colors
Creep Rupture Strength	Very Good
Holding Pressure	Approximately 40-60% of injection pressure
Media Resistance	Very Good
Thermal Expansion	Very Slight
Water absorption (mg)	13		24h / 23°C

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PBAKE001 / 27035

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