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Epoxy Made for Aerospace Applications

Wednesday, July 5, 2017

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The latest epoxy from Master Bond—Master Bond EP93FRHT—meets Airbus specifications and passes a number of important tests.

With its non-halogenated system bonding, which seals and encapsulates applications in aircraft systems, the epoxy can be used to meet mandatory Airbus requirements.

According to Master Bond, the coating also passed the twelve-second vertical burn test per AITM 2.0002B and Section 7.1.2 of ABD0031, Issue F; the smoke emission test per AITM 2.0007B, Issue 3 in the flaming mode and Section 7.3.2 of ABD0031, Issue F; and the toxic gas emission test per AITM 3.0005, Issue 2 in the flaming mode and Section 7.4 of ABD0031, Issue F.

“These tests focus on how quickly EP93FRHT will self-extinguish when subjected to a vertical burn test, and minimizes the optical density of the smoke emitted as well as the toxic gas emitted in the smoke,” Rohit Ramnath, senior product engineer, said in a statement. “This epoxy system excels in all three criteria.”

Master Bond

With the non-halogenated system bonding, which seals and encapsulates applications in aircraft systems, the epoxy can be used to meet mandatory Airbus requirements.

The epoxy is most commonly used in the assembly of interior panels, doors and floors, as well as frame lining. The company stated that, with the epoxy’s reliable insulation properties, it can also be used in potting electrical components.

Master Bond EP93FRHT has a moderate mixed viscosity of 6,000-9,000 cps, with a 1:1 mix ratio by weight. Mixing the epoxy can be facilitated by color coding: Part A is black, Part B is off-white and the cured material is dark gray. For the best performance, Master Bond recommends leaving the epoxy to cure overnight at room temperature. Following this, there should be 3-5 hours of 150-200 degrees to finish the process.

The epoxy has low shrinkage upon curing, and according to Master Bond, it bonds well to a number of substrates, including metal, glass, ceramic and others. The system also provides thermal cycling over a temperature range of minus 80 degrees to 400 degrees Fahrenheit, and can resist water, fuels, oils and a number of other solvents.

Master Bond EP93FRHT is available in half-pint, pint, quart, gallon and 5-gallon containers, with premixed and frozen syringes also available.

For more information:


Tagged categories: AS; Asia Pacific; Coating Materials; EMEA (Europe, Middle East and Africa); Epoxy; EU; hydrophobic coatings; Latin America; NA; North America; SA

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