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Arlon EP2 Enhanced Polyimide Laminate and Prepreg

Category Polymer , Thermoset , Polyimide, TS
Manufacturer Arlon
Trade Name
Port Ningbo port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF Arlon EP2 Enhanced Polyimide Laminate and Prepreg.pdf
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Material Notes:
High reliability and high temperature materialEP2 Enhanced Polyimide is the next generation of polyimide and prepreg products, engineered for improved properties and processing and for applications requiring optimum thermal performance. EP2 is a filled product, yet with significantly improved copper adhesion compared to traditional polyimides. Reduced water absorption, higher thermal conductivity and reduced CTE are all achieved while maintaining the full 250°C Tg of polyimide for thermal stability through process and application. Reduced cure cycle compared to traditional polyimides offers reduced process times throughout.Lower electrical loss results in improved signal integrityToughened, non-MDA chemistry resists drill fracturingFully compatible with lead-free solder processingTypical Applications:PCBs that are subjected to high temperatures during processing and rework, such as lead-free soldering. Reduced risk of latent PTH damage due to low Z-direction CTEApplications with significant service life expectations at high temperatures, such as aircraft engine instrumentation, on-engine applications, down-hole drilling and industrial sensor packages, under-hood automotive controls and burn-in testing of ICs (Burn-in-Boards)This data represents typical values for the production material and should not be used as material specifications.Information provided by ARLON Silicone Technologies Division.
Physical Properties Metric English Comments
Density 1.60 g/cc
0.0578 lb/in³
ASTM D792 Method A
Water Absorption 0.16 %
0.16 %
IPC TM-650 2.6.2.1
Mechanical Properties Metric English Comments
Tensile Strength 241 MPa
35000 psi
IPC TM-650 2.4.18.3
Modulus of Elasticity 27.6 GPa
4000 ksi
IPC TM-650 2.4.18.3
Flexural Strength 400 MPa
58000 psi
crosswise; IPC TM-650 2.4.4
496 MPa
72000 psi
lengthwise; IPC TM-650 2.4.4
Poissons Ratio 0.19
0.19
y; ASTM D3039
0.21
0.21
x; ASTM D3039
Peel Strength 1.40 kN/m
8.00 pli
To Copper (1 oz./35 micron); At Elevated Temperatures; IPC TM-650 2.4.8.2
1.47 kN/m
8.40 pli
To Copper (1 oz./35 micron); After Process Solutions; IPC TM-650 2.4.8
1.49 kN/m
8.50 pli
To Copper (1 oz./35 micron); After Thermal Stress; IPC TM-650 2.4.8
Thermal Properties Metric English Comments
CTE, linear 13.0 - 14.0 µm/m-°C
7.22 - 7.78 µin/in-°F
x ,y direction; IPC TM-650 2.4.41
CTE, linear, Transverse to Flow 25.0 µm/m-°C

@Temperature <=250 °C
13.9 µin/in-°F

@Temperature <=482 °F
z (< Tg); IPC TM-650 2.4.24
150 µm/m-°C

@Temperature >=250 °C
83.3 µin/in-°F

@Temperature >=482 °F
z (> Tg); IPC TM-650 2.4.24
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 2.4.24
Decomposition Temperature 363 °C
685 °F
Onset; IPC TM-650 2.3.41
424 °C
795 °F
5 percent; IPC TM-650 2.3.41
Flammability, UL94 V-0
V-0
Electrical Properties Metric English Comments
Volume Resistivity 2.80e+14 ohm-cm
2.80e+14 ohm-cm
C96/35/90; IPC TM-650 2.5.17.1
3.90e+14 ohm-cm
3.90e+14 ohm-cm
E24/125; IPC TM-650 2.5.17.1
Surface Resistance 1.20e+14 ohm
1.20e+14 ohm
C96/35/90; IPC TM-650 2.5.17.1
1.30e+14 ohm
1.30e+14 ohm
E24/125; IPC TM-650 2.5.17.1
Dielectric Constant 4.2

@Frequency 1.00e+6 Hz
4.2

@Frequency 1.00e+6 Hz
May vary with resin %; IPC TM-650 2.5.5.3
Dielectric Strength 55.1 kV/mm
1400 kV/in
IPC TM-650 2.5.6.2
Dielectric Breakdown 65000 V
65000 V
IPC TM-650 2.5.6
Dissipation Factor 0.0060

@Frequency 1.00e+6 Hz
0.0060

@Frequency 1.00e+6 Hz
IPC TM-650 2.5.5.3
Arc Resistance >= 120 sec
>= 120 sec
IPC TM-650 2.5.1
Descriptive Properties Value Comments
IPC Delamination - T260 (minutes) > 60
IPC TM-650 2.4.24.1
IPC Delamination - T288 (minutes) 15
IPC TM-650 2.4.24.1
IPC Delamination - T300 (minutes) 10
IPC TM-650 2.4.24.1
Z-Axis Expansion (%) 0.65
IPC TM-650 2.4.24 (50-260°C)
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