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Product description

Toray E720 is a 120°C (248°F) cure toughened epoxy prepreg. E720 offers excellent adhesive properties, allowing direct lamination to honeycomb without the use of a film adhesive. E720 is designed for structural applications in the motorsport and marine industries, E720 would also suit general aircraft fittings, sporting equipment, and a wide range of engineering applications.

Toray E720 is compatible for co-cure with Toray’s 120°C (248°F) cure resin film MicroPly™ EF72 and syntactic core Toray MicroPly™ SC72A. If fire retardant properties are required, consult separate data sheet for Toray E721-FR.

Product benefits/features

  • Excellent adhesive properties–ideal for honeycomb sandwich construction without the use of a resin film
  • Medium tack level–easily laminates to mold surface
  • Good impact resistance

Market segments

  • Sport & recreation
  • Motorsport & Formula 1
  • Automotive
  • Medical
  • Industrial


Product category Thermoset Prepreg
Processing Out of Autoclave / Vacuum bag
Press forming
Resin type Epoxy
Tg (Dry, onset) 110 °C / 230 °F
Cure temperature (Optimal) 120 °C / 248 °F
Cure temperature (Lowest)120 °C / 248 °F
Cure temperature (Highest)120 °C / 248 °F
Out life 60 days

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