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Chemically Resistant adhesives

Epoxy Technology EPO-TEK® H37-MP Electrically Conductive, Silver Epoxy
Categories: Polymer; Adhesive; Thermoset; Epoxy; Epoxy, Electrically Conductive

Material Notes: Product Description: EPO-TEK® H37-MP is a single component, electrically conductive, thixotropic silver-filled adhesive for die-attach and SMD attach inside hybrid microelectronic packages. Also available in a frozen syringe.

Advantages & Application Notes:

  • Designed specifically to meet the requirements pertaining to the MIL-STD 883/Test Method 5011 for military hybrids.
  • Can be considered a lower stress, and lower cure temperature alternative to EPO-TEK® H35-175MP.
  • Compliant material; eliminates cracking when bonding large components or substrates.
  • Excellent adhesion to ceramic, Si, Au, kovar, Au/kovar and AgPd.
  • May also be used on lead-frames and die-paddles compatible with JEDEC plastic IC packaging.
  • Adaptable to conventional processing methods such as automatic dispensing or screen printing.
  • Passes NASA low outgassing standard ASTM E595 with proper cure

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 PropertiesMetricEnglishComments
Specific Gravity 3.07 g/cc3.07 g/cc
Particle Size <= 20 µm<= 20 µm
Viscosity 22000 - 26000 cP
@Temperature 23.0 °C
22000 - 26000 cP
@Temperature 73.4 °F
10 rpm
 
Chemical PropertiesMetricEnglishComments
Ionic Impurities - Na (Sodium) <= 50 ppm<= 50 ppm
Ionic Impurities - K (Potassium) <= 50 ppm<= 50 ppm
Ionic Impurities - Cl (Chloride) <= 200 ppm<= 200 ppm
 
Mechanical PropertiesMetricEnglishComments
Hardness, Shore D 8080
Tensile Modulus 5.0172 GPa727.68 ksiStorage
Shear Strength 13.0 MPa1880 psiLap
 >= 23.4 MPa>= 3400 psiDie
 
Electrical PropertiesMetricEnglishComments
Volume Resistivity <= 0.00050 ohm-cm<= 0.00050 ohm-cm
 
Thermal PropertiesMetricEnglishComments
CTE, linear 52.0 µm/m-°C28.9 µin/in-°FBelow Tg
 148 µm/m-°C82.2 µin/in-°FAbove Tg
Thermal Conductivity 1.59 W/m-K11.0 BTU-in/hr-ft²-°F
Maximum Service Temperature, Air 200 °C392 °FContinuous
 300 °C572 °FIntermittent
Minimum Service Temperature, Air -55.0 °C-67.0 °FContinuous
 -55.0 °C-67.0 °FIntermittent
Glass Transition Temp, Tg >= 90.0 °C>= 194 °FDynamic Cure 20—200°C /ISO 25 Min; Ramp -10—200°C @ 20°C/Min
Decomposition Temperature 358 °C676 °FDegradation Temperature
 
Processing PropertiesMetricEnglishComments
Cure Time 60.0 min
@Temperature 150 °C
1.00 hour
@Temperature 302 °F
Minimum Bond Line
Pot Life 40320 min40320 min
Shelf Life 12.0 Month
@Temperature -40.0 °C
12.0 Month
@Temperature -40.0 °F
 
Descriptive Properties
ColorSilver
ConsistencySmooth flowing paste
Ionic Impurities NH465 ppm
Number of ComponentsSingle
Thixotropic Index3.62
Weight Loss0.13%200°C
 0.41%250°C
 0.8%300°C

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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PPOXYT046 / 141085

Chemically Resistant adhesives

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