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	Metric	English	Comments

Specific Gravity	1.88 g/cc	1.88 g/cc
Bulk Density	0.900 g/cc	0.0325 lb/in³	powder
Density	2.08 g/cc	0.0751 lb/in³	Molded
Linear Mold Shrinkage	0.0040 cm/cm	0.0040 in/in
Spiral Flow	76.0 cm	29.9 in	EMMI 1-66A

Mechanical Properties	Metric	English	Comments
Tensile Strength at Break	56.5 MPa	8200 psi
Flexural Strength	85.5 MPa	12400 psi
Flexural Modulus	13.4 GPa	1950 ksi
Compressive Strength	236 MPa	34200 psi

Electrical Properties	Metric	English	Comments
Volume Resistivity	2.20e+15 ohm-cm	2.20e+15 ohm-cm
Surface Resistance	>= 1.50e+15 ohm	>= 1.50e+15 ohm
Dielectric Constant	5.12 @Frequency 1000 Hz	5.12 @Frequency 1000 Hz
Dielectric Strength	15.2 kV/mm @Thickness 6.35 mm	387 kV/in @Thickness 0.250 in
Dissipation Factor	0.012 @Frequency 1000 Hz	0.012 @Frequency 1000 Hz
Arc Resistance	194 sec	194 sec

Thermal Properties	Metric	English	Comments
CTE, linear	27.0 µm/m-°C	15.0 µin/in-°F	Alpha 1
	60.0 µm/m-°C	33.3 µin/in-°F	Alpha 2
Thermal Conductivity	0.962 W/m-K	6.67 BTU-in/hr-ft²-°F
Glass Transition Temp, Tg	163 °C	325 °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	0.517 min @Temperature 150 °C	0.00861 hour @Temperature 302 °F	Hot Plate
	1.00 - 2.00 min @Temperature 150 °C	0.0167 - 0.0333 hour @Temperature 302 °F
	240 min @Temperature 150 °C	4.00 hour @Temperature 302 °F	Post cure
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
Molding Pressure	200-1000 psi

Some of the values displayed above may have been converted from their original units and/or rounded in order to display the information in a consistent format. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error. We also ask that you refer to MatWeb's terms of use regarding this information. Click here to view all the property values for this datasheet as they were originally entered into MatWeb.

PCOSM029 / 190811

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