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Product description

BTCy-2 is Toray’s lowest dielectric constant and loss cyanate ester prepreg. BTCy-2's resin system is valued in high energy radomes as a result of it’s low loss tangent. BTCy-2 is also resistant to microcracking.

Product benefits/features

  • Toray's lowest dielectric constant and loss prepreg
  • Ideal for high energy radomes

Market segments

  • Radome


Product category Thermoset Prepreg
Processing Press forming
Resin type Cyanate Ester
Tg (Dry, onset) 191 °C / 376 °F
Cure temperature (Optimal) 177 °C / 351 °F
Cure temperature (Lowest)177 °C / 351 °F
Cure temperature (Highest)177 °C / 351 °F
Out life 14 days

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