Knowde Enhanced TDS
Identification & Functionality
- Chemical Family
- Polymer Name
- Reinforcement Material
- Composite Materials Functions
- Technologies
Features & Benefits
- Materials Features
- Key Features & Benefits
- Provides protection from lightning strikes
- Provides a high quality paintable surface
- Minimizes surface porosity
- Natural color
- Co-curable with most epoxy prepreg materials
- Improved surface finish on honeycomb core structures
- UV resistant
- Manufactured with E-780-1 resin
- Product Forms
- 0.030 psf standard weight surfacing film with woven fiberglass reinforcement
- 0.015 psf Cu mesh
- 0.022 psf Cu mesh
- 0.040 psf Cu mesh
- 0.016 psf Al mesh
- Other metal mesh weights available upon request
- 36” wide standard rolls
Applications & Uses
- Markets
- Applications
- Primary and Secondary Aircraft Structure Surfaces
- Lightning Strike Protection
- Painted or Unpainted Composite Surfaces
- UV Protection (for unpainted or green structures)
- Zone 1C High Voltage 330 µm min. painted test panel example
- Available in Natural or Black
- Autoclave/Oven Cure Cycle
- Cure cycle set up based on underlying epoxy prepreg material
- Electroglide® surfacing film can be cured using autoclave or vacuum/oven cure cycles
- Electroglide® surfacing film is co-cure compatible with both 250°F and 350°F epoxy cure cycles. For cure cycles below 250°F or above 365°F contact your local sales and technical service representative or customer service at Park Aerospace Corp. at +1.316.283.6500.
Properties
- Mechanical Properties
- Physical Properties
| Value | Units | Test Method / Conditions | |
| Metal Mesh Type | 0.015 Cu | lb/ft2 | — |
| Reinforcement Areal Weight | 47 | gsm | — |
| Dry Resin Content | 47 | % | — |
| Cured Single Ply Thickness | 0.0035 | in | — |
| Value | Units | Test Method / Conditions | |
| Prepreg Areal Weight | 0.045(220) | lb/ft2 gsm | — |
| Resin Flow (260°F, 150 psi) | 20 | % | — |
| Gel time (250°F/121°C) | 25 | minutes | — |
| Gel time (350°F/177°C) | 0.8 | minutes | — |
| Volatiles (350°F/177°C, 60 min) | max. 1.0 | % | — |
Technical Details & Test Data
- Lightning Strike Representative Testing
Tested to Zone 1C Requirements
Storage & Handling
- Prepreg Storage Life
- Out Life: 30 days @ 75°F
- Shelf Life: 6 months @ 40°F 12 months @ 0°F