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Epoxy Technology EPO-TEK® E2101 Electrically Conductive, Silver Epoxy

Category Polymer , Thermoset , Epoxy , Epoxy, Electrically Conductive
Manufacturer Epoxy Technology
Trade Name EPO-TEK®
Port Shanghai port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF Epoxy Technology EPO-TEK® E2101 Electrically Conductive, Silver Epoxy.pdf
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Material Notes:
Product Description: EPO-TEK® E2101 is a two component, thixotropic, electrically conductive adhesive. It may be used for circuit assembly and semiconductor applications. Advantages & Application Notes:Thixotropic paste allows for application by stencil or screen printing. SMD caps and resistors as small as the 0402 format have been mounted to PCB without silver bridging between the 2 electrodes.Capable of adhering to PCB metals like Au, Cu, OSP / Cu, Ag, Ag-Pd.Used for making electrical connections to PZT electrodes in ink-jetting or medical / ultrasound applicationsSuitable for low temperature flip chip packaging. “Bumps” of E2101 may be used instead of Sn/Pb solder balls.Suited for high speed automated syringe dispensing techniques.Low flow, low resin bleedout on gold surfaces.Passes NASA low outgassing standard ASTM E595 with proper cureJEDEC Level III and II semiconductor packaging materialInformation Provided by Epoxy Technology
Physical Properties Metric English Comments
Specific Gravity 2.35 g/cc
2.35 g/cc
Part A
4.58 g/cc
4.58 g/cc
Part B
Particle Size <= 20 µm
<= 20 µm
Viscosity 15000 - 18000 cP

@Temperature 23.0 °C
15000 - 18000 cP

@Temperature 73.4 °F
20 rpm
Mechanical Properties Metric English Comments
Hardness, Shore D 68
68
Tensile Modulus 7.26 GPa
1050 ksi
Storage
Shear Strength 6.56 MPa
952 psi
Lap
>= 11.7 MPa
>= 1700 psi
Die
Thermal Properties Metric English Comments
CTE, linear 48.0 µm/m-°C
26.7 µin/in-°F
Below Tg
192 µm/m-°C
107 µin/in-°F
Above Tg
Thermal Conductivity 2.50 W/m-K
17.4 BTU-in/hr-ft²-°F
Maximum Service Temperature, Air 200 °C
392 °F
Continuous
300 °C
572 °F
Intermittent
Minimum Service Temperature, Air -55.0 °C
-67.0 °F
Continuous
-55.0 °C
-67.0 °F
Intermittent
Glass Transition Temp, Tg >= 90.0 °C
>= 194 °F
Dynamic Cure 20—200°C /ISO 25 Min; Ramp -10—200°C @ 20°C/Min
Decomposition Temperature 401 °C
754 °F
Degradation Temperature; TGA
Electrical Properties Metric English Comments
Volume Resistivity <= 0.00050 ohm-cm
<= 0.00050 ohm-cm
Chemical Properties Metric English Comments
Ionic Impurities - Na (Sodium) 10 ppm
10 ppm
Ionic Impurities - K (Potassium) 1.0 ppm
1.0 ppm
Ionic Impurities - Cl (Chloride) 27 ppm
27 ppm
Processing Properties Metric English Comments
Cure Time 15.0 min

@Temperature 150 °C
0.250 hour

@Temperature 302 °F
Minimum Bond Line
Pot Life 89 min
89 min
Shelf Life 12.0 Month

@Temperature 25.0 °C
12.0 Month

@Temperature 77.0 °F
Descriptive Properties Value Comments
Color Silver
Part A
Silver
Part B
Consistency Smooth thixotropic paste
Ionic Impurities NH4 80 ppm
Mix Ratio By Weight 3:1
Number of Components Two
Thixotropic Index 3.9
Weight Loss 0.37%
200°C
0.61%
250°C
0.9%
300°C
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