Evopreg EPT Tooling Prepreg

Epoxy Tooling Prepregs

Evopreg EPT epoxy tooling prepregs are a range of pre-impregnated fabrics suitable for the production of composite tooling.

Characteristics

  • Low-temperature cure
  • Easy lay up
  • High dimensional stability
  • Excellent surface finish
  • Good out-life
  • Suitable for component cures up to 190°C

Products

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

50°C, 12 hour curing tooling prepreg

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

Long outlife prepreg

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 5 days 21 days
Tack level High Medium
Good tack & drape
Toughened
High dimensional stability
Surface finish Excellent Excellent
Processing Autoclave Autoclave

Processing

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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