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Thermally conductive, high temperature resistant epoxy passes NASA low outgassing tests

December 12, 2016 By Danielle Kirsh

Certified to meet ASTM E595 NASA low outgassing standards, Master Bond EP46HT-2AO Black is well suited for the aerospace, electronic, opto-electronic industries and can be used in vacuum environments. This two component system blends thermal stability with a high strength profile for a variety of bonding, sealing and encapsulation applications.

EP46HT-2AO Black combines superior thermal conductivity of 9-10 BTU in/ft2hr°F [1.2981-1.4423 W/(mK)] and reliable electrical insulation with a volume resistivity exceeding 1014 ohm-cm at room temperature. It has a glass transition temperature of 200-210°C and is serviceable over the wide temperature range of -100°F to +500°F [-73°C to +260°C]. This dimensionally stable system delivers a tensile strength of 6,000-7,000 psi, compressive strength of 26,000-28,000 psi and tensile lap shear strength of 1,400-1,600 psi at 75°F. EP46HT-2AO Black also withstands a variety of chemicals including oils, water, acids, bases and fuels.

Unlike most traditional two part epoxies, EP46HT-2AO Black cures with the addition of heat, which allows it to have a working life of over 24 hours. It has a forgiving 100 to 30-35 mix ratio by weight and upon mixing, this thixotropic system has a viscosity of 140,000-280,000 cps. It bonds well to metals, composites, glass, ceramics, rubbers and many plastics.

This epoxy is available in 1/2 pint, pint, quart, gallon an5-gallonon container kits. Part A of this system is black in color and Part B is gray. EP46HT-2AO Black has a minimum 6 month, maximum 1-year shelf life at ambient temperatures in original, unopened containers.

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  • Home
  • Medical Device Business
    • Mergers & Acquisitions
    • Financial
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  • Applications
    • Cardiovascular
    • Devices
    • Imaging
    • Implantables
    • Medical Equipment
    • Orthopedic
    • Surgical
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    • Contract Manufacturing
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    • Electronics
    • Extrusions
    • Materials
    • Motion Control
    • Prototyping
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