Park Aerospace E-770 (FCE-770)
- Chemical Family
- Epoxy & Epoxy Derivatives
Park’s E-770 is a 350°F (176°C) curing, flame resistant modified epoxy system for 200°F (93°C) service and meets the requirements of Mil R-9300-B, Type I. It has excellent green strength developing properties quickly and doesn’t need a post cure to maintain its 200°F (93°C) properties.
Product families
- Thermoset Prepregs
Other characteristics
- Functions
- Prepreg
- Polymer Name
- Epoxy Resins & Compounds
- Reinforcement Material
- Glass Fibers
- Markets
- Consumer Goods
- Applications
- Consumer Goods — Sports & Recreation
- Technology
- Composite Materials
- Product Forms
Available on fiberglass such as 7781 or other types of fabrics; Solution coated fabrics up to 60 inches wide
- Quality Standards
- FAR 25.853
- MIL-R-9300B Type 1
- Material Features
- Good Green Strength
- Low Tack
- Autoclave Cure Cycle
Apply 24"Hg vacuum (minimum) for 1 hour before beginning heat cycle; Increase pressure to 50psi, tent vacuum when pressure is at 20psi; Raise product temperature from RT to 350-360°F at 2 – 5°F/min; Hold product at cure temperature for 90 – 120 minutes; Cool product to 150°F at no more than 8°F/min
- Benefits and Features
Low tack / Single poly required; Store at room temperature (72°F) for up to 3 weeks; Excellent sandwich adhesive properties; Short cycle time - Meets FAR 25.853 burn requirements
- Applications and Qualifications
- Specialty Applications
- Recreational Applications
- Composite Materials Functions
- Prepreg
Technical data
Table 1 of 2
4 rows| Characteristic | Value | Unit |
|---|---|---|
| Prepreg Resin Content | 42 - 46 | % |
| Resin Flow (325°F, 100psi) | 25 - 32 | % |
| Volatiles (325°F, 5 min) | max. 2.5 | % |
| Gel Time (325°F) | 50 - 100 | Seconds |
Table 2 of 2
28 rows| Characteristic | Value | Unit | Method |
|---|---|---|---|
| Tensile Strength - Dry (23°C) | 496 | Mpa | ASTM-D-638 |
| Tensile Strength - Wet (23°C) | 426 | MPa | — |
| Tensile Strength - Dry (93°C) | 414 | MPa | — |
| Tensile Strength - Wet (93°C) | 357 | Ksi | — |
| Tensile Modulus - Dry (23°C) | 25.5 | — | — |
| Tensile Modulus - Wet (23°C) | 24.1 | Msi | — |
| Tensile Modulus - Dry (93°C) | 23.5 | Msi | — |
| Tensile Modulus - Wet (93°C) | 23.5 | Msi | — |
| Compressive Strength - Dry (23°C) | 517 | Ksi | — |
| Compressive Strength - Wet (23°C) | 435 | Ksi | — |
| Compressive Strength - Dry (93°C) | 366 | Ksi | — |
| Compressive Strength - Wet (93°C) | 331 | Ksi | — |
