March 9, 2022
Two component, thermally conductive, electrically isolating epoxy system for bonding, sealing and potting

Key Features

  • Good flow properties
  • High temperature resistance
  • Withstands aggressive chemicals
  • High compressive strength

Master Bond EP35AOLV is a two component thermally conductive, electrically isolating epoxy for bonding, sealing and potting. The mix ratio is a forgiving 100 to 50 by weight with both Parts A and B being highly flowable. The working time is exceptionally long, 12-24 hours at room temperature. EP35AOLV requires an elevated temperature cure with the optimum being 2-3 hours at 300°F followed by a post cure of 3-4 hours at 300-350°F. This filled system is highly dimensionally stable and has low shrinkage upon curing.

The epoxy bonds well to a wide variety of substrates, such as metals, glass, ceramics, composites and many plastics. Its forte is its ability to withstand high temperature and pressure in an aggressive chemical environment, including those found in down hole. The filler imparts high compressive strength to the system. The service temperature range extends from -60°F to +500°F. The color of Part A is gray and Part B is off-white. EP35AOLV can be used in aerospace, electronic, specialty OEM, oil and gas processing, and other industries where high temperature and chemical resistance along with thermal conductivity are required.

Product Advantages

  • Forgiving 2:1 mix ratio by weight
  • Moderate viscosity, flows nicely
  • Long open time at room temperature
  • Conducts heat but not electricity
  • Good glass transition temperature and high dimensional stability

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