cm3。熔点252℃。脆化温度-30℃。热分解温度大于350℃。 连续耐热80-
120℃,平衡吸水率2．5％。能耐酸、碱、大多数无机盐水溶液、卤代烷、烃
类、酯类、酮类等腐蚀，但易溶于苯酚、甲酸等极性溶剂。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。
颗粒：
物性表:
| Physical Properties | Metric | English | Comments | ||
|---|---|---|---|---|---|
| Density | 1.38 g/cc | 0.0499 lb/in³ | ISO 1183/A | ||
| Water Absorption | 0.78 % @Temperature 23.0 °C, Time 86400 sec |
0.78 % @Temperature 73.4 °F, Time 24.0 hour |
ISO 62 | ||
| Linear Mold Shrinkage | 0.0062 cm/cm | 0.0062 in/in | Isotropy | ||
| Linear Mold Shrinkage, Flow | 0.0050 cm/cm | 0.0050 in/in | |||
| Linear Mold Shrinkage, Transverse | 0.0080 cm/cm | 0.0080 in/in | |||
| Mechanical Properties | Metric | English | Comments | ||
| Tensile Strength at Break | 195 MPa | 28300 psi | ISO 527 Type 1A | ||
| Elongation at Break | 3.6 % | 3.6 % | ISO 527 Type 1A | ||
| Tensile Modulus | 10.5 GPa | 1520 ksi | ISO 527 Type 1A | ||
| Flexural Strength | 290 MPa | 42100 psi | ISO 178 | ||
| Flexural Modulus | 8.80 GPa | 1280 ksi | ISO 178 | ||
| Izod Impact, Notched (ISO) | 12.0 kJ/m² | 5.71 ft-lb/in² | ISO 180/1A | ||
| Izod Impact, Unnotched (ISO) | 95.0 kJ/m² | 45.2 ft-lb/in² | ISO 180/1U | ||
| Charpy Impact Unnotched | 8.90 J/cm² | 42.4 ft-lb/in² | ISO 179/1eU | ||
| Charpy Impact, Notched | 1.20 J/cm² | 5.71 ft-lb/in² | ISO 179/1eA | ||
| Electrical Properties | Metric | English | Comments | ||
| Volume Resistivity | 1.00e+15 ohm-cm | 1.00e+15 ohm-cm | IEC 60093 | ||
| Surface Resistance | 6.00e+14 ohm | 6.00e+14 ohm | IEC 60093 | ||
| Dielectric Constant | 3.75 | 3.75 | IEC 60250 | ||
| Dielectric Strength | 40.0 kV/mm | 1020 kV/in | IEC 60243 | ||
| Dissipation Factor | 0.010 | 0.010 | IEC 60250 | ||
| Comparative Tracking Index | 500 V | 500 V | Solution B; IEC 60112 | ||
| 600 V | 600 V | Solution A; IEC 60112 | |||
| Thermal Properties | Metric | English | Comments | ||
| CTE, linear, Parallel to Flow | 25.0 µm/m-°C @Temperature 23.0 - 85.0 °C |
13.9 µin/in-°F @Temperature 73.4 - 185 °F |
ISO 11359 | ||
| Melting Point | 255 °C | 491 °F | ISO 11357 | ||
| Deflection Temperature at 1.8 MPa (264 psi) | 255 °C | 491 °F | ISO 75/Af | ||
| Flammability, UL94 | HB @Thickness 1.60 mm |
HB @Thickness 0.0630 in |
1210 | ||
| Oxygen Index | 23 % | 23 % | ISO 4589 | ||
| Glow Wire Test | 650 °C @Thickness 1.60 mm |
1200 °F @Thickness 0.0630 in |
ISO 60695-2-12 | ||
| 650 °C @Thickness 3.20 mm |
1200 °F @Thickness 0.126 in |
Ignition Temperature; ISO 60695-2-13 | |||
| 750 °C @Thickness 1.60 mm |
1380 °F @Thickness 0.0630 in |
ISO 60695-2-12 | |||
| Processing Properties | Metric | English | Comments | ||
| Feed Temperature | 265 - 275 °C | 509 - 527 °F | |||
| Mold Temperature | 70.0 - 110 °C | 158 - 230 °F | |||
| Drying Temperature | 80.0 °C | 176 °F | |||
| Moisture Content | <= 0.20 % | <= 0.20 % | |||
| De |
|||||
| Compression Zone | 270-280°C | ||||
| Mixing Zone | 280-290°C | ||||
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