Physical Performance | Numerical Value | Unit |
Coefficient of Mean Linear Thermal Expansion(ISO 7991) | 3.3±0.1 | 10 -6 K -1 |
Transformation Temperature | 525±15 | °C |
Softening Point (ISO 7884-6) | 820±10 | °C |
Working Point (ISO 7884-2, ISO 7884-5) | 1260±20 | °C |
Upper Cooling Temperature (ISO 7884-7) | 560 | °C |
Lower Cooling Temperature (ISO 7884-7) | 510 | °C |
Density at 20°C | 2.23±0.02 | g/cm 3 |
Thermal Conductivity (20°C--100°C) | 1.2 | w/m 2 K |
Specific heat capacity at constant pressure | 0.8× 10 3 | J×/Kg@K |
Modulus of elasticity | 64 × 10 3 | MPa |
Tensile strength | 35-100 | MPa |
Poisson constant | 0.2 | |
Refractive Index | 0.92 |