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Master Bond Unveils High-temperature Resistant Epoxy

Published on 2016-12-20. Author : SpecialChem

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

Properties of Master Bond EP46HT-2AO Black


  • It combines superior thermal conductivity of 9-10 BTU•in/ft2•hr•°F [1.2981-1.4423 W/(m•K)] 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.

Epoxy Cures with Addition of Heat


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 ½ pint, pint, quart, gallon and 5 gallon 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.

Master Bond Thermally Stable Adhesives


Master Bond EP46HT-2AO Black is thermally conductive and electrically insulative adhesive, sealant and potting compound that meets NASA low outgassing requirements. This high strength, two component epoxy withstands temperatures up to +500°F.

About Master Bond

Master Bond Inc. formulates the highest quality products and offers unmatched technical advice and customer support. Its product line consists of advanced adhesives, sealants, coatings, potting/encapsulation compounds and impregnation resins. Each compound is designed to meet specific application needs and requirements. Master Bond manufactures over 3,000 grades of specially designed formulations. The company offers replacements for competitors' discontinued products.

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Source: Master Bond
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