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Chemically Resistant adhesives

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Epoxy Technology EPO-TEK® E2101 Electrically Conductive, Silver Epoxy
Categories: Polymer; Adhesive; Thermoset; Epoxy; Epoxy, Electrically Conductive

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 applications
  • Suitable 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 cure
  • JEDEC Level III and II semiconductor packaging material

    Information Provided by Epoxy Technology

Vendors: No vendors are listed for this material. Please click here if you are a supplier and would like information on how to add your listing to this material.
 
Physical PropertiesOriginal ValueComments
Specific Gravity 2.35 g/ccPart A
 4.58 g/ccPart B
Particle Size <= 20 µm
Viscosity 15000 - 18000 cP
@Temperature 23.0 °C
20 rpm
 
Chemical PropertiesOriginal ValueComments
Ionic Impurities - Na (Sodium) 10 ppm
Ionic Impurities - K (Potassium) 1.0 ppm
Ionic Impurities - Cl (Chloride) 27 ppm
 
Mechanical PropertiesOriginal ValueComments
Hardness, Shore D 68
Tensile Modulus 1.05e+6 psiStorage
Shear Strength 952 psiLap
 >= 1700 psiDie
 
Electrical PropertiesOriginal ValueComments
Volume Resistivity <= 0.00050 ohm-cm
 
Thermal PropertiesOriginal ValueComments
CTE, linear 48.0 µm/m-°CBelow Tg
 192 µm/m-°CAbove Tg
Thermal Conductivity 2.50 W/m-K
Maximum Service Temperature, Air 200 °CContinuous
 300 °CIntermittent
Minimum Service Temperature, Air -55.0 °CContinuous
 -55.0 °CIntermittent
Glass Transition Temp, Tg >= 90.0 °CDynamic Cure 20—200°C /ISO 25 Min; Ramp -10—200°C @ 20°C/Min
Decomposition Temperature 401 °CDegradation Temperature; TGA
 
Processing PropertiesOriginal ValueComments
Cure Time 15.0 min
@Temperature 150 °C
Minimum Bond Line
Pot Life 89 min
Shelf Life 12.0 Month
@Temperature 25.0 °C
 
Descriptive Properties
ColorSilverPart A
 SilverPart B
ConsistencySmooth thixotropic paste
Ionic Impurities NH480 ppm
Mix Ratio by Weight3:1
Number of ComponentsTwo
Thixotropic Index3.9
Weight Loss0.37%200°C
 0.61%250°C
 0.9%300°C

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PPOXYT008 / 141046

Chemically Resistant adhesives

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