| 物性表： | |||
| Physical Properties | Metric | English | Comments |
|---|---|---|---|
| Density | 1.42 g/cc | 0.0513 lb/in³ | ASTM D792 |
| Water Absorption | 0.80 % | 0.80 % | 24 hours; ASTM D570 |
| Linear Mold Shrinkage | 0.0050 - 0.010 cm/cm | 0.0050 - 0.010 in/in | ASTM D955 |
| Mechanical Properties | Metric | English | Comments |
| Hardness, Rockwell M | 98 | 98 | ASTM D785 |
| Hardness, Rockwell R | 120 | 120 | ASTM D785 |
| Tensile Strength, Yield | 114 MPa | 16500 psi | ASTM D638 |
| Elongation at Break | 7.0 % | 7.0 % | ASTM D638 |
| Tensile Modulus | 6.70 GPa | 972 ksi | D638 |
| Flexural Yield Strength | 184 MPa | 26700 psi | ASTM D790 |
| Flexural Modulus | 6.80 GPa | 986 ksi | ASTM D790 |
| Poissons Ratio | 0.26 @Temperature -40.0 °C |
0.26 @Temperature -40.0 °F |
|
| 0.38 @Temperature 23.0 °C |
0.38 @Temperature 73.4 °F |
||
| 0.42 @Temperature 66.0 °C |
0.42 @Temperature 151 °F |
||
| 0.47 @Temperature 121 °C |
0.47 @Temperature 250 °F |
||
| Shear Modulus | 2.43 GPa | 352 ksi | Calculated |
| Izod Impact, Notched | 0.400 J/cm @Thickness 3.17 mm |
0.749 ft-lb/in @Thickness 0.125 in |
ASTM D256 |
| Coefficient of Friction | 0.26 | 0.26 | ASTM D1894 |
| Coefficient of Friction, Static | 0.34 | 0.34 | ASTM D1894 |
| Thermal Properties | Metric | English | Comments |
| CTE, linear | 31.0 µm/m-°C @Temperature -40.0 - 82.0 °C |
17.2 µin/in-°F @Temperature -40.0 - 180 °F |
|
| Specific Heat Capacity | 1.50 J/g-°C | 0.359 BTU/lb-°F | Mfr. internal test |
| Thermal Conductivity | 0.390 W/m-K | 2.71 BTU-in/hr-ft²-°F | Mfr. internal test |
| Melting Point | 255 °C | 491 °F | ASTM D1525 |
| Deflection Temperature at 1.8 MPa (264 psi) | 218 °C @Thickness 3.17 mm |
424 °F @Thickness 0.125 in |
Unannealed; ASTM D648 |
| Flammability, UL94 | HB | HB | |
具有优良的耐磨性、自润滑性，机械强度较高。但吸水性较大，因而尺寸稳定性较差
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