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Cookson Group Plaskon® 440S Mineral Filled Novolac Epoxy Molding Compound  (discontinued **)

Category Polymer , Thermoset , Epoxy , Epoxy, Molded, Mineral Filled , Filled/Reinforced Thermoset
Manufacturer
Trade Name
Port Shanghai port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF Cookson Group Plaskon® 440S Mineral Filled Novolac Epoxy Molding Compound  (discontinued **).pdf
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Material Notes:
Test specimens were transfer molded and post cured 4 hours at 175°C.Combines exceptional reliability with wide process latitude. This material is designed to encapsulate a wide range of semiconductor devices including diodes, transistors, and integrated circuits in dual in-line, quad or small outline confiations.
Physical Properties Metric English Comments
Density 1.80 g/cc
0.0650 lb/in³
Spiral Flow 64.0 - 88.0 cm
25.2 - 34.6 in
177°C/1000 psi
Mechanical Properties Metric English Comments
Hardness, Shore D 80
80
Tensile Strength, Ultimate 97.0 MPa
14100 psi
Flexural Strength 147 MPa
21300 psi
Thermal Properties Metric English Comments
CTE, linear 22.0 µm/m-°C

@Temperature 20.0 °C
12.2 µin/in-°F

@Temperature 68.0 °F
CTE, linear, Transverse to Flow 78.0 µm/m-°C

@Temperature 20.0 °C
43.3 µin/in-°F

@Temperature 68.0 °F
Thermal Conductivity 0.600 W/m-K
4.16 BTU-in/hr-ft²-°F
Glass Transition Temp, Tg 155 °C
311 °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
Electrical Properties Metric English Comments
Dielectric Constant 3.9

@Frequency 1000 Hz
3.9

@Frequency 1000 Hz
Dielectric Strength 20.0 kV/mm
508 kV/in
Dissipation Factor 0.0060

@Frequency 1000 Hz
0.0060

@Frequency 1000 Hz
Arc Resistance 190 sec
190 sec
Processing Properties Metric English Comments
Processing Temperature 175 - 185 °C
347 - 365 °F
Molding temperature
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