Evopreg® EPT epoxy tooling prepregs are available as standard on 205 gsm and 650 gsm 2/2 twill weave carbon fibre fabrics, for use in a typical 1-8-1 composite tooling layup. Resin content, resin bias and tack levels can all be tailored to your requirements.
For more information on other tooling prepreg materials, including glass epoxy tooling prepregs and flax bulking plies for use in carbon-flax-carbon hybrid tooling, please contact us.
Evopreg® EPT110 epoxy tooling prepregs are based on a low temperature curing, toughened epoxy resin system, formulated specifically for high temperature performance, ease of layup and excellent surface finish.
Evopreg® EPT120 tooling prepregs are designed to help composite tooling manufacturers improve the flexibility and efficiency of their tooling manufacturing processes, by providing a combination of extended outlife and variable curing cycles.
| EPT110 | EPT120 | |
|---|---|---|
| Recommended cure | 50°C, 12 hours Post-cure: 200°C, 6 hours | 65°C, 12 hour Post-cure: 150°C, 1 hour – OR – Single-shot ramped cure: 150°C, 1 hour |
| Tg (onset) | 192°C | 158°C |
| Out-life at room temperature | 4 days | 10 days |
| Tack level | High | Medium |
| Good tack & drape | ✓ | ✓ |
| Toughened | ✓ | ✓ |
| High dimensional stability | ✓ | ✓ |
| Surface finish | Excellent | Excellent |
| Processing | Autoclave | Autoclave |
Evopreg® EPT tooling prepregs are best consolidated by autoclaving. Suggested cure cycles are shown in our technical datasheets.
*Evopreg® is a registered trademark of Composites Evolution Limited
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