Cosmic Plastics FARBOSET® 2461 All Colors Mineral Filled Epoxy Molding Compound

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Cosmic Plastics FARBOSET® 2461 All Colors Mineral Filled Epoxy Molding Compound
Categories:	Polymer; Thermoset; Epoxy; Epoxy, Molded, Mineral Filled
Material Notes:	Cosmic FARBOSET 2461 Black is a mineral-filled epoxy molding compound featuring fast cure rates, superb moldability, excellent thermal shock and moisture resistance. This compound was especially formulated to achieve a high glass transition temperature for optimum reliability performance in very thin sections. It is designed to encapsulate a wide range of devices including capacitors, resistors, and inductor coils. Information provided by Cosmic Plastics Inc
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Physical Properties	Original Value	Comments

Specific Gravity	1.88 g/cc
Bulk Density	0.900 g/cc	powder
Density	2.08 g/cc	Molded
Linear Mold Shrinkage	0.0040 in/in
Spiral Flow	76.0 cm	EMMI 1-66A

Mechanical Properties	Original Value	Comments
Tensile Strength at Break	8200 psi
Flexural Strength	12400 psi
Flexural Modulus	1.95e+6 psi
Compressive Strength	34200 psi

Electrical Properties	Original Value	Comments
Volume Resistivity	2.20e+15 ohm-cm
Surface Resistance	>= 1.50e+15 ohm
Dielectric Constant	5.12 @Frequency 1000 Hz
Dielectric Strength	387 V/mil @Thickness 6.35 mm
Dissipation Factor	0.012 @Frequency 1000 Hz
Arc Resistance	194 sec

Thermal Properties	Original Value	Comments
CTE, linear	27.0 µm/m-°C	Alpha 1
	60.0 µm/m-°C	Alpha 2
Thermal Conductivity	0.00230 cal cm/sec-cm²-°C
Glass Transition Temp, Tg	163 °C
Flammability, UL94	V-0 @Thickness 3.17 mm

Processing Properties	Original Value	Comments
Mold Temperature	145 - 180 °C
Cure Time	1.00 - 2.00 min @Temperature 150 °C
	4.00 hour @Temperature 150 °C	Post cure
	31.0 sec @Temperature 150 °C	Hot Plate
Shelf Life	0.0670 Month @Temperature 35.0 °C	2 days
	0.250 Month @Temperature 25.0 °C	1 week
	12.0 Month @Temperature 4.00 °C

Descriptive Properties
Molding Pressure	200-1000 psi

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PCOSM029 / 190811

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