Cookson Group Plaskon® SMT-B-1FX (146.801) Epoxy Molding Compound for PBGAs (discontinued **)

Category	Polymer , Thermoset , Epoxy , Epoxy Molding Compound
Manufacturer
Trade Name
Port	Ningbo port,China
Trade Terms	FOB, CFR, CIF
Payment Terms	L/C, T/T, Western Union
Download PDF	Cookson Group Plaskon® SMT-B-1FX (146.801) Epoxy Molding Compound for PBGAs (discontinued **).pdf
Price	EMAIL US sales@lookpolymers.com
	Online Service lookpolymers 27660005

Material Notes:

Test specimens were transfer molded and post cured 4 hours at 175°C.An epoxy molding compound optimized specifically for PBGA applications. It is a reduced catalyst version of SMT-B-1F and provides a 1-2% wire sweep improvement in most applications. It has the same unique resin system as that in SMT-B-1. Faster cure speed for shorter cure times in multi-plunger and automolding equipment; Improved wire sweep performance (lower viscosity); Reduced post mold cure times; Improved warp performance; Lower moisture absorption

Physical Properties	Metric	English	Comments
Density	1.91 g/cc	0.0690 lb/in³
Viscosity	5500 cP @Temperature 175 °C	5500 cP @Temperature 347 °F	Shimadzu Viscosity, 1000 psi
Spiral Flow	92.0 - 105 cm	36.2 - 41.3 in	177°C/1000 psi

Mechanical Properties	Metric	English
Hardness, Shore D	81	81
Flexural Strength	68.0 MPa	9860 psi
Flexural Modulus	15.0 GPa	2180 ksi

Thermal Properties	Metric	English
CTE, linear	12.0 µm/m-°C @Temperature 20.0 °C	6.67 µin/in-°F @Temperature 68.0 °F
CTE, linear, Transverse to Flow	57.0 µm/m-°C @Temperature 20.0 °C	31.7 µin/in-°F @Temperature 68.0 °F
Thermal Conductivity	0.700 W/m-K	4.86 BTU-in/hr-ft²-°F
Glass Transition Temp, Tg	220 °C	428 °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
Electrical Resistivity	3.20e+16 ohm-cm	3.20e+16 ohm-cm
Dielectric Constant	3.9 @Frequency 1000 Hz	3.9 @Frequency 1000 Hz
Dielectric Strength	28.0 kV/mm	711 kV/in

Processing Properties	Metric	English	Comments
Processing Temperature	170 - 185 °C	338 - 365 °F	Molding temperature

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