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HexPly 8552 toughened epoxy prepreg matrix
HexPly 8552 is a toughened epoxy matrix supplied with carbon or glass reinforcement for aerospace composite structures. Its 180 °C cure system supports unidirectional and woven prepregs, with laminate properties dependent on the selected reinforcement and layup.
Specifications
| General | |
|---|---|
| Grade | Aerospace-grade |
| Market | Dual-use |
| Platform class | Large UAS (25–150 kg), Heavy UAS (>150 kg), eVTOL, Manned aircraft |
| Airframe | Any |
| Availability | In production |
| Key specifications | |
| Material form | Prepreg[1] |
| Cure temperature | 180 °C[1] |
| Additional specifications | |
| Resin system | Amine-cured, toughened epoxy matrix.[1] |
| Shelf life | 12 months[1] |
Sources
- hexcel.com/wp-content/uploads/2025/12/HexPly_8552_eu_DataSheet1.pdf · checked October 19, 2026
A value without a number has no recorded source yet: we are adding it.
Frequently asked questions
What is the maximum operating temperature for HexPly 8552?
HexPly 8552 is designed to operate in environments up to 121ºC (250ºF).
What type of resin system is HexPly 8552?
It is an amine cured, toughened epoxy resin system.
What are the curing temperature requirements for this matrix?
HexPly 8552 is a 180°C (356°F) curing matrix.
What are the physical characteristics of the neat resin?
The neat resin has a yellow color, a density of 1.301 g/cc, and a dry glass transition temperature of 200°C.
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This product listing is maintained by our editorial team and may contain errors. Last updated .
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