R270D
Reinforced high-brightness LED grade of polyamide 9C (PA9C). It offers excellent heat resistance, high strength, optical properties, low water absorption, and reflow soldering resistance, making it suitable for LED reflectors.
High‑brightness
Application examples
Property table
| Unit | Test method | Value | |
|---|---|---|---|
| Grade name | R270D | ||
| Glass fiber content | ％ | ― | 15 |
/
Physical properties
| Specific gravity | - | ISO 1183 | 1.68 |
| Water absorption (23°C, immersed in water for 24hrs) | ％ | ISO 62 | 0.24 |
/
Mechanical properties
| Tensile strength | MPa | ISO 527 | 47 |
| Flexural strength | MPa | ISO 178 | 102 |
| Flexural modulus | GPa | ISO 178 | 6.2 |
| Charpy notched impact strength | kJ/m2 | ISO 179/1eA | 1.9 |
/
Thermal properties
| Melting point | °C | ISO 11357-3 | 325 |
/
Dimensional properties
| Mold shrinkage (2 mmt), flow direction | ％ | ISO 294-4 | 1.0 |
| Mold shrinkage (2 mmt), transverse direction | ％ | ISO 294-4 | 1.3 |
/
* The above data are property values measured in the absolutely dry state.
* The above data are actual measured values obtained by our company and are not guaranteed values.
