Cookson Group Plaskon® 3100 Novolac Epoxy Molding Compound

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Cookson Group Plaskon® 3100 Novolac Epoxy Molding Compound (discontinued **)
Categories:	Polymer; Thermoset; Epoxy; Epoxy, Novolac, Molding Compound
Material Notes:	Test specimens were transfer molded and post cured 4 hours at 175°C. A flame retardant, novolac-hardened epoxy molding compound recommended for semiconductor packages that are not stress sensitive.
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Physical Properties	Metric	English	Comments

Density	1.92 g/cc	0.0694 lb/in³
Linear Mold Shrinkage	0.0050 - 0.0070 cm/cm	0.0050 - 0.0070 in/in
Spiral Flow	64.0 - 90.0 cm	25.2 - 35.4 in	177°C/1000 psi

Mechanical Properties	Metric	English	Comments
Hardness, Shore D	78	78
Tensile Strength, Ultimate	103 MPa	14900 psi
Tensile Modulus	16.0 GPa	2320 ksi
Flexural Strength	145 MPa	21000 psi
Flexural Modulus	17.0 GPa	2470 ksi
Izod Impact, Notched	0.250 J/cm	0.468 ft-lb/in

Electrical Properties	Metric	English	Comments
Dielectric Constant	4.08 @Frequency 1000 Hz	4.08 @Frequency 1000 Hz
Dielectric Strength	17.0 kV/mm	432 kV/in
Dissipation Factor	0.0040 @Frequency 1000 Hz	0.0040 @Frequency 1000 Hz

Thermal Properties	Metric	English	Comments
CTE, linear, Parallel to Flow	27.0 µm/m-°C @Temperature 20.0 °C	15.0 µin/in-°F @Temperature 68.0 °F
CTE, linear, Transverse to Flow	81.0 µm/m-°C @Temperature 20.0 °C	45.0 µin/in-°F @Temperature 68.0 °F
Thermal Conductivity	1.00 W/m-K	6.94 BTU-in/hr-ft²-°F
Deflection Temperature at 1.8 MPa (264 psi)	218 °C	424 °F
Glass Transition Temp, Tg	150 - 160 °C	302 - 320 °F
Flammability, UL94	V-0 @Thickness 3.20 mm	V-0 @Thickness 0.126 in
	V-0 @Thickness 3.20 mm	V-0 @Thickness 0.126 in

Processing Properties	Metric	English	Comments
Processing Temperature	171 - 193 °C	340 - 379 °F	Molding temperature

**
Materials flagged as discontinued () are no longer part of the manufacturer’s standard product line according to our latest information. These materials may be available by special order, in distribution inventory, or reinstated as an active product. Data sheets from materials that are no longer available remain in MatWeb to assist users in finding replacement materials.

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PCOOK306 / 21402

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