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Product description

EX-1516 cyanate ester film adhesive which has been formulated to use in specific applications where low moisture absorption and / or low dielectric constant and loss are of utmost importance.

EX-1516’s strength and toughness when bonding solid, honeycomb or foam core structures are comparable and often greater than high performance epoxy adhesives.

Due to the cyanate ester resin system’s inherent low shrinkage during cure, bonded structures will retain less inherent stress and will therefore remain dimensionally stable during thermal cycling. This factor is of extreme importance when bonding structures for use in space. Finally, like other cyanate ester-based products, EX-1516 film adhesive displays low outgassing and microcracking properties to assure structural integrity even after severe environmental exposure and radiation bombardment.

Product benefits/features

  • Compatible with Toray EX-1515 prepregs

Market segments

  • Space & Satellite
  • Radome


Product category Film adhesives
Processing Out of Autoclave / Vacuum bag
Press forming
Post curable
Resin type Cyanate Ester
Tg (Dry, onset) 126 °C / 258 °F
Cure temperature (Optimal) 121 °C / 249 °F
Cure temperature (Lowest)121 °C / 249 °F
Cure temperature (Highest)121 °C / 249 °F
Out life 7 days
Post curable

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