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Park Aerospace E-766B 7781 E-Glass
- Chemical Family
- Epoxy & Epoxy Derivatives
Park’s E-766B is a low tack, self adhesive epoxy resin system designed for honeycomb applications. E-766B displays excellent peel properties.
Product families
Applications
Automotive & Transportation — Transportation
- Aerospace & Aviation
- Rail & Mass Transit
Product Families
Composite Materials — Prepregs & Molding Compounds
- Thermoset Prepregs
Other characteristics
- Functions
- Prepreg
- Polymer Name
- Epoxy Resins & Compounds
- Processing Methods
Compression Molding, Out of Autoclave Prepreg, Prepreg Processing
- Reinforcement Material
- Glass Fibers
- Markets
- Automotive & Transportation
- Technology
- Composite Materials
- Product Forms
Available on a wide variety of reinforcements including fiberglass, graphite and Aramid; Solution coated fabrics up to 60 inches wide; Compatible with Autoclave, Vacuum/Oven Cure, or Press Molding processes
- Material Features
- Low Tack
- Self Extinguishing
- Prepreg Storage Life
- Tack Life
- 14 days @ 75°F
- Out Life
- 30 days @ 75°F
- Shelf Life
- 12 months @ 0°F
- Benefits and Features
Self adhesive resin system for sandwich panel applications; Flame retardant and self-extinguishing; Low tack and long out-times for ease of processing
- Applications and Qualifications
- Sandwich panels / structures
- Aircraft Interiors
- Mass Transit Interiors
- Composite Materials Functions
- Prepreg
- Composites Processing Methods
- Compression Molding
- Out of Autoclave Prepreg
- Prepreg Processing
Technical data
Table 1 of 2
5 rows| Characteristic | Value | Unit |
|---|---|---|
| Fabric Area Weight | 300 | gsm |
| Prepreg Resin Content | 37 - 43 | % |
| Resin Flow (275°F, 15 psi) | 10 - 25 | % |
| Volatiles (325°F) | 1 | % |
| Tg (dry, by DMA) | 93°C / 200°F | — |
Table 2 of 2
9 rows| Characteristic | Value | Unit | Method |
|---|---|---|---|
| Climbing Drum Peel (Mold Surface) | 50 | in-lb/3 in | ASTM-D-1781 |
| Climbing Drum Peel (Bag Surface) | 45 | in-lb/3 in | ASTM-D-1781 |
| Tensile Strength - Dry (75°F) | 70 | Ksi | ASTM-D-638 |
| Tensile Modulus - Dry (75°F) | 3.8 | Msi | ASTM-D-638 |
| Compressive Strength - Dry (250°F) | 84 | Ksi | ASTM-D-695 |
| Compressive Modulus - Dry (70°F ) | 3.5 | Msi | ASTM-D-695 |
| Flexural Modulus - Dry (75°F) | 110 | Msi | ASTM-D-790 |
| Flexural Strength - Dry (75°F) | 4.3 | Ksi | ASTM-D-790 |
| Short-Beam Shear Stength - Dry (75°F) | 8.6 | Ksi | ASTM-D-2344 |
