Knowde Enhanced TDS
Identification & Functionality
- Chemical Family
- Polymer Name
- Composite Materials Functions
- Technologies
Features & Benefits
- Materials Features
- Product Highlights
- Hot melt chemistry (nominal 180°C cure)
- Self extinguishing
- Self adhesive on honeycomb (autoclave or vacuum bag)
- Very high temperature wet performances (120°C wet continuous service temperature)
- Low moisture absorption (0.74% after 1 week at 70°C 95% relative humidity (RH) and 3 weeks at 70°C 85% RH, measured on carbon/glass fiber laminate)
- Flexible cure cycle (from 135°C to 210°C with or without post-cure)
- High damage resistance
Applications & Uses
Properties
- Physical Form
- Neat Resin Properties
| Value | Units | Test Method / Conditions | |
| Poisson Ratio | 0.4 | % | — |
| Density | 1.26 | g/cm3 | — |
| Glass Transition Temperature Tg (Dry) | 193 | °C | — |
| 14 days in water at 70°C | 153 | °C | — |
| Tensile Strength | 77 | Mpa | — |
| Tensile Modulus | 4 | GPa | — |
| Tensile Strain | 1.59 | % | — |
| Linear Coefficient of Thermal Expansion | 59.10-6 | — | — |
| Fracture Toughness, K1C | 1.83 | Mpa | — |
| Strain energy release rate, G1C | 990 | J/m2 | — |
Storage & Handling
- Storage Life
- Out Life: 18 days at RT (23°C)
- Shelf Life: 12 months at -18°C (from date of manufacture)
Out Life: The maximum accumulated time allowed at room temperature between removal from the freezer and cure.
Shelf Life: The maximum storage life for HexPly® prepreg, when stored continuously, in a closed moistureproof bag, at -18°C. To accurately establish the exact expiry date, consult the box label.