| 物性表： | |||
| Physical Properties | Metric | English | Comments |
|---|---|---|---|
| Density | 1.46 g/cc | 0.0527 lb/in³ | ASTM D792 |
| Water Absorption | 0.80 % | 0.80 % | 24 hours; ASTM D570 |
| Linear Mold Shrinkage | 0.012 - 0.022 cm/cm | 0.012 - 0.022 in/in | ASTM D955 |
| Mechanical Properties | Metric | English | Comments |
| Hardness, Rockwell M | 92 | 92 | ASTM D785 |
| Hardness, Rockwell R | 117 | 117 | ASTM D785 |
| Tensile Strength, Yield | 83.0 MPa | 12000 psi | ASTM D638 |
| Elongation at Break | 13 % | 13 % | ASTM D638 |
| Tensile Modulus | 5.90 GPa | 856 ksi | D638 |
| Flexural Yield Strength | 124 MPa | 18000 psi | ASTM D790 |
| Flexural Modulus | 5.50 GPa | 798 ksi | ASTM D790 |
| Izod Impact, Notched | 0.600 J/cm @Thickness 3.17 mm |
1.12 ft-lb/in @Thickness 0.125 in |
ASTM D256 |
| Gardner Impact | 14.0 J | 10.3 ft-lb | ASTM D3673 |
| Coefficient of Friction | 0.17 | 0.17 | ASTM D1894 |
| Coefficient of Friction, Static | 0.22 | 0.22 | ASTM D1894 |
| Taber Abrasion, mg/1000 Cycles | 12 | 12 | CS17 Wheel, 1 kg load; ASTM D1044 |
| Electrical Properties | Metric | English | Comments |
| Electrical Resistivity | 7.70e+15 ohm-cm | 7.70e+15 ohm-cm | ASTM D257 |
| Dielectric Constant | 3.7 @Frequency 1e+6 Hz |
3.7 @Frequency 1e+6 Hz |
ASTM D150 |
| 3.9 @Frequency 1000 Hz |
3.9 @Frequency 1000 Hz |
ASTM D150 | |
| 4.0 @Frequency 100 Hz |
4.0 @Frequency 100 Hz |
ASTM D150 | |
| Dielectric Strength | 15.9 kV/mm | 404 kV/in | Step by step; ASTM D149 |
| 19.3 kV/mm | 490 kV/in | Short Time; ASTM D149 | |
| Dissipation Factor | 0.0080 @Frequency 100 Hz |
0.0080 @Frequency 100 Hz |
ASTM D150 |
| 0.011 @Frequency 1000 Hz |
0.011 @Frequency 1000 Hz |
ASTM D150 | |
| 0.015 @Frequency 1e+6 Hz |
0.015 @Frequency 1e+6 Hz |
ASTM D150 | |
| Arc Resistance | 139 sec | 139 sec | ASTM D495 |
| Thermal Properties | Metric | English | Comments |
| CTE, linear | 49.0 µm/m-°C @Temperature -40.0 - 82.0 °C |
27.2 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 | 0.450 W/m-K | 3.12 BTU-in/hr-ft²-°F | Mfr. internal test |
| Melting Point | 249 °C | 480 °F | ASTM D1525 |
| Deflection Temperature at 0.46 MPa (66 psi) | 221 °C @Thickness 3.17 mm |
430 °F @Thickness 0.125 in |
Unannealed; ASTM D648 |
| Deflection Temperature at 1.8 MPa (264 psi) | 160 °C @Thickness 3.17 mm |
320 °F @Thickness 0.125 in |
Unannealed; ASTM D648 |
| Flammability, UL94 | HB | HB | |
特性：
1、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
2、PA66在较高温度也能保持较强的强度和刚度。PA66在成型后仍然具有吸湿性，其程度主要取决于材料的组成、壁厚以及环境条件。
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