- 密度 [g/cm3]: 1.13
- 吸水率 [%]: 6.0
| Physical Properties | Metric | English | Comments | ||
|---|---|---|---|---|---|
| Density | 1.13 g/cc | 0.0408 lb/in³ | |||
| Moisture Absorption at Equilibrium | 2.5 - 3.0 % | 2.5 - 3.0 % | Saturation at 50% RH | ||
| Water Absorption at Saturation | 6.0 - 7.0 % | 6.0 - 7.0 % | 23°C | ||
| Mechanical Properties | Metric | English | Comments | ||
| Hardness, Shore D | 80 - 82 | 80 - 82 | DIN 53505 | ||
| Ball Indentation Hardness | 142 MPa | 20600 psi | DIN 53456 | ||
| Tensile Strength at Break | 78.0 - 80.0 MPa | 11300 - 11600 psi | DIN 53455 | ||
| Elongation at Break | 40 - 100 % | 40 - 100 % | DIN 53455 | ||
| Tensile Modulus | 3.10 GPa | 450 ksi | DIN 53457 | ||
| 0.600 - 0.800 GPa @Temperature 100 °C | 87.0 - 116 ksi @Temperature 212 °F | DIN 53457 | |||
| Charpy Impact Unnotched | NB | NB | DIN 53453 | ||
| Charpy Impact, Notched | 3.50 - 4.50 J/cm² | 16.7 - 21.4 ft-lb/in² | DIN 53453 | ||
| Coefficient of Friction | 0.050 - 0.10 | 0.050 - 0.10 | to steel, added lubrication | ||
| 0.30 - 0.35 | 0.30 - 0.35 | to steel, no lubrication; ISO/DTR 7147 | |||
| Abrasion | 62 | 62 | mm³; DIN 53516 | ||
| Thermal Properties | Metric | English | Comments | ||
| CTE, linear | 80.0 µm/m-°C @Temperature 20.0 °C | 44.4 µin/in-°F @Temperature 68.0 °F | |||
| Specific Heat Capacity | 1.67 J/g-°C | 0.399 BTU/lb-°F | |||
| Thermal Conductivity | 0.280 W/m-K | 1.94 BTU-in/hr-ft²-°F | DIN 52612 | ||
| Melting Point | 205 °C | 401 °F | |||
| Maximum Service Temperature, Air | 100 - 120 °C | 212 - 248 °F | long time operation | ||
| 120 - 140 °C | 248 - 284 °F | medium time operation | |||
| 160 °C | 320 °F | a few hours operation | |||
| Minimum Service Temperature, Air | -40.0 °C | -40.0 °F | |||
| Flammability, UL94 | HB | HB | |||
| Descriptive Properties | |||||
| Permissible Unit Pressure | 25 - 30 MPa | ||||
| Time yield limit | up to 4 | s1/1000; DIN.53444 | |||