Park Electrochemical Nelco® N4000-7 EF® Halogen-Free Epoxy

Category	Polymer , Thermoset , Epoxy
Manufacturer	Park Electrochemical Corp.
Trade Name	Nelco®
Port	Shanghai port,China
Trade Terms	FOB, CFR, CIF
Payment Terms	L/C, T/T, Western Union
Download PDF	Park Electrochemical Nelco® N4000-7 EF® Halogen-Free Epoxy.pdf
Price	EMAIL US sales@lookpolymers.com
	Online Service lookpolymers 27660005

Material Notes:

The Nelco® N4000-7 EF® series of laminates and prepregs is a total environmental solution. This advanced halogen-free resin system provides superior CAF resistance for high temperature, lead-free assembly designs.Key Features and Benefits:Outstanding moisture resistance and thermal stabilityUncompromised electrical valuesHalogen-FreeCAF resistantHigh Tg FR-4 processingApplications/Qualifications:Lead-Free AssembliesFine-Line MultilayersBackplanesSurface-Mount MultilayersBGA MultilayersAutomotive ElectronicsMCM-LsDirect Chip AttachWireless CommunicationsTelecommunications InfrastructureRoHS CompliantMeets IPC-4101/94 SpecificationsInformation provided by Park Electrochemical Corp.

Physical Properties	Metric	English	Comments
Density	1.92 g/cc	0.0694 lb/in³	50% Resin Content; Internal Method
Water Absorption	0.10 %	0.10 %	IPC-TM-650.2.6.2.1

Mechanical Properties	Metric	English	Comments
Peel Strength	0.982 kN/m	5.60 pli	after exposure to process solutions; IPC-TM-650.2.4.8
	0.999 kN/m	5.70 pli	at elevated temperature; IPC-TM-650.2.4.8.2a
	1.17 kN/m	6.70 pli	after solder float; IPC-TM-650.2.4.8

Thermal Properties	Metric	English	Comments
CTE, linear	12.0 - 17.0 µm/m-°C @Temperature -40.0 - 125 °C	6.67 - 9.44 µin/in-°F @Temperature -40.0 - 257 °F	X/Y; IPC-TM-650.2.4.41
	65.0 µm/m-°C @Temperature 50.0 - 165 °C	36.1 µin/in-°F @Temperature 122 - 329 °F	Z-Axis Alpha 1; IPC-TM-650.2.4.41
	250 µm/m-°C @Temperature 165 - 260 °C	139 µin/in-°F @Temperature 329 - 500 °F	Z-Axis Alpha 2; IPC-TM-650.2.4.41
Specific Heat Capacity	0.962 J/g-°C	0.230 BTU/lb-°F	ASTM E1461-92
Thermal Conductivity	0.470 W/m-K	3.26 BTU-in/hr-ft²-°F	ASTM E1461-92
Glass Transition Temp, Tg	155 °C	311 °F	TMA; IPC-TM-650.2.4.24c
	165 °C	329 °F	DSC; IPC-TM-650.2.4.25c
	190 °C	374 °F	DMA; IPC-TM-650.2.4.24.3
Decomposition Temperature	425 °C	797 °F	5% weight loss; TGA; IPC-TM-650.2.4.24.6
Flammability, UL94	V-0	V-0

Electrical Properties	Metric	English	Comments
Volume Resistivity	1.00e+13 ohm-cm	1.00e+13 ohm-cm	C - 96/35/90; IPC-TM-650.2.5.17.1
	1.00e+13 ohm-cm	1.00e+13 ohm-cm	E - 24/125; IPC-TM-650.2.5.17.1
Surface Resistance	1.00e+12 ohm	1.00e+12 ohm	C - 96/35/90; IPC-TM-650.2.5.17.1
	1.00e+12 ohm	1.00e+12 ohm	E - 24/125; IPC-TM-650.2.5.17.1
Dielectric Constant	3.8 @Frequency 1.00e+10 Hz	3.8 @Frequency 1.00e+10 Hz	Split Post Cavity; Internal Method
	4.0 @Frequency 1.00e+9 Hz	4.0 @Frequency 1.00e+9 Hz	RF Impedance; IPC-TM-650.2.5.5.9
	4.1 @Frequency 1.00e+6 Hz	4.1 @Frequency 1.00e+6 Hz	TFC/LCR Meter; IPC-TM-650.2.5.5.3
Dielectric Strength	39.4 kV/mm	1000 kV/in	IPC-TM-650.2.5.6.2
Dielectric Breakdown	>= 50000 V	>= 50000 V	IPC-TM-650.2.5.6
Dissipation Factor	0.013 @Frequency 1.00e+6 Hz	0.013 @Frequency 1.00e+6 Hz	TFC/LCR Meter; IPC-TM-650.2.5.5.3
	0.016 @Frequency 1.00e+10 Hz	0.016 @Frequency 1.00e+10 Hz	Split Post Cavity; Internal Method
Arc Resistance	158 sec	158 sec	IPC-TM-650.2.5.1

Descriptive Properties	Value	Comments
Methylene Chloride Resistance (% Weight Change)	0.02	IPC-TM-650.2.3.4.3
Pressure Cooker	Pass	60 min then solder dip @288ºC until failure (max 10 min.); IPC-TM-650.2.6.16 (modified)
T260 (minutes)	>30	IPC-TM-650.2.4.24.1
T288 (minutes)	2-4	IPC-TM-650.2.4.24.1
Z Axis Expansion (%)	3.5	50ºC to 260ºC; IPC-TM-650.2.4.41

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