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Product description

RS-17B is a modified epoxy prepreg which delivers extremely low moisture absorption while providing excellent mechanical properties, toughness, and modulus. RS-17B is a flexible cure system which may be cured from 135°C-177°C (275°F-350°F). RS-17B has a long space flight heritage.

Product benefits/features

  • Flexible cure system
  • Space flight approved
  • More cost effective versus cyanate ester systems

Market segments

  • Space & Satellite


Product category Thermoset Prepreg
Processing Out of Autoclave / Vacuum bag
Press forming
Post curable
Resin type Epoxy
Tg (Dry, onset) 171 °C / 339 °F
Cure temperature (Optimal) 177 °C / 350 °F
Cure temperature (Lowest)135 °C / 275 °F
Cure temperature (Highest)177 °C / 350 °F
Out life Up to 30 days
Post curable

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