Knowde Enhanced TDS
Identification & Functionality
- Chemical Family
- Core Type
- Composite Materials Functions
- Technologies
- Product Families
- Product Type
149°C (300°F) to 177°C (350°F) Curing Cyanate Ester Syntactic Foam
Features & Benefits
- Materials Features
- Product Highlights
- Post curable for higher Tg (please see cure guidelines)
- Available in multiple density versions
- Low dielectric properties
Applications & Uses
- Markets
- Composites Processing Methods
- Recommended Applications
- High Temperature
- Space & Satellite
- Aircraft Interiors
- Radome
- Low dielectric/low loss core for radomes, antennas, and structures
- Low moisture pickup and low outgassing foam core for space structures
- Net molded foam parts
- High temperature potting
- Ablatives
- High temperature tooling masters
- High temperature tooling backup structures
Properties
- Thermal Properties
- Typical Properties
| Value | Units | Test Method / Conditions | |
| Coefficient of Thermal Expansion (CTE) 24 pcf | 13.2 x 10-6 (7.4 x 10-6) | cm/cm/°C (in/in/°F) | — |
| Cure Temperature (with optional post cure) | 232 (450) | °C (°F) | — |
| Value | Units | Test Method / Conditions | |
| Cure Temperature | 177 (350) | °C (°F) | — |
| Density | 176 - 384 (11 - 24) | kg/m³ (lbs./ft³) | — |
| Dielectric Constant 11 & 13 pcf at 10 GHz | 1.32 | — | — |
| Loss Tangent (11 & 13 pcf, 10 GHz) | 0.0093 | — | — |
Storage & Handling
- Shelf Life
- Out Life*(1): 14 days out life ≤ 21°C (70°F) and ≤ 60% RH
- Frozen Storage Life: 6 months at ≤-18°C (≤ 0°F)
*Out Life is limit for packing of foam when decrystallized.