Cosmic Plastics FARBOSET® 2472VO Black Mineral Filled Epoxy Molding Compound

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Cosmic Plastics FARBOSET® 2472VO Black Mineral Filled Epoxy Molding Compound
Categories:	Polymer; Thermoset; Epoxy; Epoxy, Molded, Mineral Filled
Material Notes:	Cosmic FARBOSET 2472VO Black is a mineral-filled epoxy molding compound featuring fast cure rates, excellent moldability and superior thermal shock and moisture resistance. It is specially formulated for improved resistance to moisture ingress, along with a high glass transition temperature, to provide optimum reliability performance in the encapsulation of a wide range of devices including capacitors, resistors, resistor networks, relays, and high performance coils. It’s low viscosity (long spiral flow) allows the molding of delicate components in large, multi-cavity molds. Information provided by Cosmic Plastics Inc
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Physical Properties	Metric	English	Comments

Bulk Density	1.00 g/cc	0.0361 lb/in³	powder
Density	1.89 g/cc	0.0683 lb/in³
Linear Mold Shrinkage	0.0050 cm/cm	0.0050 in/in
Spiral Flow	114 cm	44.9 in	EMMI 1-66A

Mechanical Properties	Metric	English	Comments
Tensile Strength at Break	96.5 MPa	14000 psi
Flexural Strength	110 MPa	16000 psi
Flexural Modulus	15.5 GPa	2250 ksi
Compressive Strength	207 MPa	30000 psi

Electrical Properties	Metric	English	Comments
Volume Resistivity	8.40e+15 ohm-cm	8.40e+15 ohm-cm
Surface Resistance	>= 1.00e+15 ohm	>= 1.00e+15 ohm
Dielectric Constant	3.5 @Frequency 1000 Hz	3.5 @Frequency 1000 Hz
Dielectric Strength	13.8 kV/mm @Thickness 3.17 mm	350 kV/in @Thickness 0.125 in
Dissipation Factor	0.0030 @Frequency 1000 Hz	0.0030 @Frequency 1000 Hz
Arc Resistance	183 sec	183 sec

Thermal Properties	Metric	English	Comments
CTE, linear	23.0 µm/m-°C	12.8 µin/in-°F	Alpha 1
	77.0 µm/m-°C	42.8 µin/in-°F	Alpha 2
Glass Transition Temp, Tg	165 °C	329 °F
Flammability, UL94	V-0 @Thickness 3.17 mm	V-0 @Thickness 0.125 in

Processing Properties	Metric	English	Comments
Mold Temperature	145 - 180 °C	293 - 356 °F
Cure Time	0.583 min @Temperature 150 °C	0.00972 hour @Temperature 302 °F	Hot Plate
	1.00 - 2.00 min @Temperature 150 °C	0.0167 - 0.0333 hour @Temperature 302 °F
Shelf Life	0.0670 Month @Temperature 35.0 °C	0.0670 Month @Temperature 95.0 °F	2 days
	0.250 Month @Temperature 25.0 °C	0.250 Month @Temperature 77.0 °F	1 week
	12.0 Month @Temperature 4.00 °C	12.0 Month @Temperature 39.2 °F

Descriptive Properties
MIL-M-14	GEI-5		ASTM D5948-96
Molding Pressure	200-1000 psi

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PCOSM031 / 190813

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