Park Aerospace Nelco® N7000-2 HT/N7000-3 Toughened Polyimide Laminate and Prepreg

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Park Aerospace Nelco® N7000-2 HT/N7000-3 Toughened Polyimide Laminate and Prepreg
Categories:	Polymer; Thermoset; Polyimide, TS
Material Notes:	The Nelco N7000-2 HT laminate and N7000-3 prepreg are a series of toughened polyimide materials for use in high-reliability multilayers. This combined resin system provides excellent thermal performance, improved processing characteristics and is exceptional for use in a wide variety of applications that include fine geometry multilayer constructions and extreme reliability requirements. Key Features and Benefits: Polyimide resin chemistry Lead-free assembly compatibility Supports current and previous military and industrial standards Reliable plated-through holes Reliable processing Applications/Qualifications: Fine-Line Multilayers Backplanes Surface-Mount Multilayers BGA Multilayers Direct Chip Attach Underhood Automotive Burn-in Boards Information provided by Park Electrochemical Corp.
Key Words:	PI
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Physical Properties	Metric	English	Comments

Density	1.70 g/cc	0.0614 lb/in³	50% Resin Content; Internal Method
Water Absorption	0.35 %	0.35 %	IPC-TM-650.2.6.2.1

Mechanical Properties	Metric	English	Comments
Modulus of Elasticity	21.4 GPa	3100 ksi	X; ASTM D3039
	22.8 GPa	3300 ksi	Y; ASTM D3039
Poissons Ratio	0.146	0.146	X; ASTM D3039
	0.153	0.153	Y; ASTM D3039
Peel Strength	1.23 kN/m	7.00 pli	at elevated temperature; IPC-TM-650.2.4.8.2a
	1.23 kN/m	7.00 pli	after exposure to process solutions; IPC-TM-650.2.4.8
	1.31 kN/m	7.50 pli	after solder float; IPC-TM-650.2.4.8

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+13 ohm	1.00e+13 ohm	C - 96/35/90; IPC-TM-650.2.5.17.1
	1.00e+13 ohm	1.00e+13 ohm	E - 24/125; IPC-TM-650.2.5.17.1
Dielectric Constant	3.5 @Frequency 2.50e+9 Hz	3.5 @Frequency 2.50e+9 Hz	Stripline; IPC-TM-650.2.5.5.5
	3.5 @Frequency 1e+10 Hz	3.5 @Frequency 1e+10 Hz	Stripline; IPC-TM-650.2.5.5.5
	3.5 @Frequency 1e+10 Hz	3.5 @Frequency 1e+10 Hz	Split Post Cavity
	3.8 @Frequency 1e+9 Hz	3.8 @Frequency 1e+9 Hz	RF Impedance; IPC-TM-650.2.5.5.9
Dielectric Strength	47.2 kV/mm	1200 kV/in	IPC-TM-650.2.5.6.2
Dielectric Breakdown	>= 50000 V	>= 50000 V	IPC-TM-650.2.5.6
Dissipation Factor	0.0090 @Frequency 1e+10 Hz	0.0090 @Frequency 1e+10 Hz	Split Post Cavity
	0.015 @Frequency 2.50e+9 Hz	0.015 @Frequency 2.50e+9 Hz	Stripline; IPC-TM-650.2.5.5.5
	0.015 @Frequency 1e+10 Hz	0.015 @Frequency 1e+10 Hz	Stripline; IPC-TM-650.2.5.5.5
Arc Resistance	100 sec	100 sec	IPC-TM-650.2.5.1

Thermal Properties	Metric	English	Comments
CTE, linear	9.00 - 12.0 µm/m-°C @Temperature -40.0 - 125 °C	5.00 - 6.67 µin/in-°F @Temperature -40.0 - 257 °F	IPC-TM-650.2.4.41
Specific Heat Capacity	1.05 J/g-°C	0.250 BTU/lb-°F	ASTM E1461
Thermal Conductivity	0.450 W/m-K	3.12 BTU-in/hr-ft²-°F	ASTM E1461
Glass Transition Temp, Tg	250 °C	482 °F	TMA; IPC-TM-650.2.4.24c
	260 °C	500 °F	DSC; IPC-TM-650.2.4.25c
Decomposition Temperature	376 °C	709 °F	5% weight loss; TGA; IPC-TM-650.2.4.24.6
Flammability, UL94	V-0	V-0

Descriptive Properties
Methylene Chloride Resistance (% Weight Change)	<0.50		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)	12+		IPC-TM-650.2.4.24.1
Z Axis Expansion (%)	<2.5		50ºC to 260ºC; IPC-TM-650.2.4.41

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.

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