Product description
TC275-1E is a dual cure toughened epoxy prepreg designed to facilitate composite part construction with low pressure or vacuum pressure cures. The resin system features a 21 day tack life and 28 day total out time to allow the construction of a thick or larger composite structure.
TC275-1E may be cured at a lower temperature of 135°C (275°F) or can be cured at 177°C (350°F) for higher temperature service. TC275-1E represents a long out time version of Toray’s popular TC275-1 resin system.
Product benefits/features
- 28 day total out time making it an ideal system for large structures
- OOA/VBO processable
- Low moisture uptake, high Tg retention
Market segments
- Launch
- Space & Satellite
- Aerostructures
- eVTOL / Urban Air Mobility
Details
Product category | Thermoset Prepreg |
Processing | Out of Autoclave / Vacuum bag AFP/ATL Press forming Post curable Autoclave |
Resin type | Epoxy |
Tg (Dry, onset) | 168 °C / 334 °F |
Cure temperature (Optimal) | 135 °C / 275 °F |
Cure temperature (Lowest) | 135 °C / 275 °F |
Cure temperature (Highest) | 177 °C / 350 °F |
Out life | Up to 28 days |
Post curable |
Need more information?
At Toray our goal is your success. If you have any questions or would like to learn more, please contact us.

Toray Advanced Composites UK

Need more information?
At Toray our goal is your success. If you have any questions or would like to learn more, please contact us.
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Toray Advanced Composites USA
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