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Ensinger PEI
Epoxy Technology EPO-TEK® H70S Thermally Conductive Epoxy for Die Stamping
Categories: Polymer; Thermoset; Epoxy; Epoxy, Thermally Conductive

Material Notes: Product Description: EPO TEK® H70S is a modified version of EPO TEK® H70E, designed primarily for die stamping. It is a highly reliable, alumina- filled epoxy with a smooth, flowable consistency, designed for chip bonding in micro-electronic and opto-electronic applications.

Advantages & Application Notes:

  • Heat-sinking adhesive. It is particularly recommended for thermal management applications where good heat dissipation is necessary.
  • Easy to use. It can be screen printed, machine dispensed, stamped, or hand applied.
  • Die attach adhesive designed to be used in the 300°C range to resist TC wire bonding operations. Meets JEDEC Level III and II packaging criteria.
  • Excellent adhesion to ferrous and non-ferrous metals, lead-frame die paddle, glass, ceramic, kovar, and PCB.
  • Can be cured very rapidly, it is an excellent material to use for making fast circuit repairs. Can be snap-cured for inline semiconductor die-bonding.
  • Suggested for potting applications due to easy flow and pouring – works well with thermistors into cavities

Information Provided by Epoxy Technology

Vendors:
Available Properties
  • Specific Gravity, Part A
  • Specific Gravity, Part B
  • Particle Size
  • Viscosity, 100 rpm
  • Ionic Impurities - Na (Sodium)
  • Ionic Impurities - K (Potassium)
  • Ionic Impurities - Cl (Chloride)
  • Hardness, Shore D
  • Tensile Modulus, Storage
  • Shear Strength, Lap
  • Shear Strength, Die
  • Volume Resistivity
  • Dielectric Constant
  • Dissipation Factor
  • CTE, linear, Below Tg
  • CTE, linear, Above Tg
  • Thermal Conductivity
  • Maximum Service Temperature, Air, Continuous
  • Maximum Service Temperature, Air, Intermittent
  • Minimum Service Temperature, Air, Continuous
  • Minimum Service Temperature, Air, Intermittent
  • Glass Transition Temp, Tg, Dynamic Cure 20—200°C /ISO 25 Min; Ramp 10—200°C @ 20°C/Min
  • Decomposition Temperature, Degradation Temperature
  • Cure Time, Minimum Bond Line
  • Cure Time, Minimum Bond Line
  • Cure Time, Minimum Bond Line
  • Cure Time, Minimum Bond Line
  • Pot Life
  • Shelf Life
  
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Category Notes
Plastic

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