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Chemically Resistant adhesives

Epoxy Technology EPO-TEK® H35-175MPT Electrically Conductive, Silver Epoxy
Categories: Polymer; Adhesive; Thermoset; Epoxy; Epoxy, Electrically Conductive

Material Notes: Product Description: EPO-TEK® H35MPT is a single component, silver-filled, electrically conductive epoxy designed for military hybrid die and component attach. High viscosity version of EPO-TEK® H35-175MP

Advantages & Application Notes:

  • >Performs exceptionally well as a die attach for small chips such as GaAs, LEDs and diodes.
  • Capable of resisting 260°C green reflow process, low outgassing in hermetic lid-seal processes near 300°C, and organic burn-in up to 150°C/1000 hours storage.
  • Certified to MIL-STD 883/Test Method 5011 –yields low levels of water extractable monovalent ions such as Chlorides.
  • Capable of JEDEC Level II die-attach packaging on die-paddles and lead-frames.
  • Widely used epoxy; popular choice for silver-filled epoxies; opto-packaging, hybrids, and many types of substrates including kovar, ceramic and BT.

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 3.65 g/cc3.65 g/cc
Particle Size <= 20 µm<= 20 µm
Viscosity 90000 - 110000 cP
@Temperature 23.0 °C
90000 - 110000 cP
@Temperature 73.4 °F
2.5 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 8383
Tensile Modulus 2.92 GPa424 ksiStorage
Shear Strength 11.67 MPa1693 psiLap
 >= 23.4 MPa>= 3400 psiDie
 
Electrical PropertiesMetricEnglishComments
Volume Resistivity <= 0.00050 ohm-cm<= 0.00050 ohm-cm
 
Thermal PropertiesMetricEnglishComments
CTE, linear 35.0 µm/m-°C19.4 µin/in-°FBelow Tg
 123 µm/m-°C68.3 µin/in-°FAbove Tg
Thermal Conductivity 2.67 W/m-K18.5 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 >= 100 °C>= 212 °FDynamic Cure 20—300°C /ISO 25 Min; Ramp -10—200°C @ 20°C/Min
Decomposition Temperature 354 °C669 °FDegradation Temperature
 
Processing PropertiesMetricEnglishComments
Cure Time  60.0 min
@Temperature 180 °C
1.00 hour
@Temperature 356 °F
Minimum Bond Line
 90.0 min
@Temperature 165 °C
1.50 hour
@Temperature 329 °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 thixotropic paste
Ionic Impurities NH432 ppm
Number of ComponentsSingle
Thixotropic Index4.6
Weight Loss0.03%200°C
 0.05%250°C
 0.13%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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PPOXYT175 / 141214

Chemically Resistant adhesives

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