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Metal adhesives

Master Bond EP17HTS-DA One component, high temperature resistant, electrically conductive, die attach epoxy
Categories: Polymer; Thermoset; Epoxy; Epoxy, Electrically Conductive

Material Notes: Key Features:
  • Not premixed and frozen
  • Excellent dispensing profile
  • Meets MIL-STD 883J
  • NASA low outgassing
Master Bond EP17HTS-DA is a one component, electrically conductive die attach epoxy featuring high temperature resistance. It is not premixed and frozen and has unlimited working life at room temperature. It has a paste consistency, and dispenses smoothly and easily, without any tailing. It can be applied either manually or with automated equipment. The curing schedule is 300°F for 2-3 hours followed by 1-2 hours at 350°F. The recommended storage is in a refrigerator at 40°F to 50°F. Upon curing, EP17HTS-DA has exceptional electrical conductivity and temperature resistance. The service temperature range extends from -80°F to +550°F. This epoxy bonds well to metals, ceramics, silicon, and many other substrates. Its lap shear strength exceeds other conductive epoxies by a minimum of 400-500 psi. Some other desirable properties include the ability to withstand thermal cycling as well as mechanical and thermal shocks. As a silver filled system, it is a superior heat conductor. EP17HTS-DA should be considered in die attach applications as well as in other situations where low volume resistivity and high temperature resistance is required. It is especially useful in microelectronic assemblies where most conductive, die attach adhesives lack adequate temperature resistance.

Product Advantages:

  • Single component system; no mixing needed
  • Not premixed and frozen
  • Unlimited working life at room temperature
  • Superb dispensing profile for die attach applications
  • Notably high bond strength
  • Available in syringes for manual or automatic dispensing

Information provided by Master Bond Inc.

Vendors: Master Bond is a leading manufacturer of adhesives, sealants, coatings and potting compounds. Master Bond’s vast product line consists of over 3,000 epoxy, polyurethane, silicone, cyanoacrylate and latex adhesives that vary in viscosity, cure speed, strength, chemical resistance, electrical properties, etc. Our custom adhesives offer design flexibility and provide excellent bonding performance. Visit www.masterbond.com.

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Physical PropertiesMetricEnglishComments
Specific Gravity 3.50 g/cc3.50 g/cc
Solids Content 100 %100 %
 
Mechanical PropertiesMetricEnglishComments
Hardness, Shore D 75 - 8575 - 85
Tensile Strength 48.3 - 55.2 MPa7000 - 8000 psi
Tensile Modulus 3.10 - 3.45 GPa450 - 500 ksi
Adhesive Bond Strength 10.3 - 11.7 MPa1500 - 1700 psiTensile Lap Shear; Al/Al
 
Electrical PropertiesMetricEnglishComments
Volume Resistivity <= 0.0050 ohm-cm<= 0.0050 ohm-cm
 
Thermal PropertiesMetricEnglishComments
CTE, linear 23.0 - 26.0 µm/m-°C12.8 - 14.4 µin/in-°F
Thermal Conductivity 2.16 - 2.88 W/m-K15.0 - 20.0 BTU-in/hr-ft²-°F
Maximum Service Temperature, Air 288 °C550 °F
Minimum Service Temperature, Air -62.0 °C-79.6 °F
Glass Transition Temp, Tg 140 - 150 °C284 - 302 °F
 
Processing PropertiesMetricEnglishComments
Cure Time 120 - 180 min
@Temperature 149 °C
2.00 - 3.00 hour
@Temperature 300 °F
followed by 1-2 hours at 350°F
Shelf Life 3.00 - 6.00 Month
@Temperature 4.44 - 10.0 °C
3.00 - 6.00 Month
@Temperature 40.0 - 50.0 °F
 
Descriptive Properties
ColorSilver
Die shear strength35-40 kg-f2 x 2 mm [80 x 80 mil]
ViscosityThixotropic paste

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PMASTM601 / 248997

Metal adhesives

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