| 物性表： | |||||
| Physical Properties | Metric | English | Comments | ||
|---|---|---|---|---|---|
| Bulk Density | 0.500 - 0.800 g/cc | 0.0181 - 0.0289 lb/in³ | |||
| Density | 1.45 g/cc | 0.0524 lb/in³ | ISO 1183 | ||
| Water Absorption | 4.4 - 5.0 % | 4.4 - 5.0 % | Saturation; ISO 62 | ||
| Moisture Absorption at Equilibrium | 1.0 - 1.4 % | 1.0 - 1.4 % | 23°C; 50% RH; ISO 62 | ||
| Viscosity Measurement | 140 | 140 | ISO 307 | ||
| Linear Mold Shrinkage | 0.0045 cm/cm | 0.0045 in/in | restricted | ||
| Linear Mold Shrinkage, Flow | 0.0034 cm/cm | 0.0034 in/in | ISO 2577 | ||
| Linear Mold Shrinkage, Transverse | 0.0114 cm/cm | 0.0114 in/in | ISO 2577 | ||
| Melt Flow | 43.5 g/10 min @Load 5.00 kg, Temperature 275 °C |
43.5 g/10 min @Load 11.0 lb, Temperature 527 °F |
ISO 1133 | ||
| Mechanical Properties | Metric | English | Comments | ||
| Tensile Strength, Yield | 160 MPa | 23200 psi | 50 mm/min; ISO 527-1/-2 | ||
| Elongation at Yield | 3.0 % | 3.0 % | 50 mm/min; ISO 527-1/-2 | ||
| Modulus of Elasticity | 11.0 GPa | 1600 ksi | ISO 527-1/-2 | ||
| Flexural Modulus | 9.20 GPa | 1330 ksi | ISO 178 | ||
| Izod Impact, Notched (ISO) | 13.0 kJ/m² @Temperature 23.0 °C |
6.19 ft-lb/in² @Temperature 73.4 °F |
ISO 180/A | ||
| Charpy Impact Unnotched | 6.50 J/cm² @Temperature -30.0 °C |
30.9 ft-lb/in² @Temperature -22.0 °F |
ISO 179/1eU | ||
| 7.00 J/cm² @Temperature 23.0 °C |
33.3 ft-lb/in² @Temperature 73.4 °F |
ISO 179/1eU | |||
| Charpy Impact, Notched | 1.00 J/cm² @Temperature -30.0 °C |
4.76 ft-lb/in² @Temperature -22.0 °F |
ISO 179/1eA | ||
| 1.40 J/cm² @Temperature 23.0 °C |
6.66 ft-lb/in² @Temperature 73.4 °F |
ISO 179/1eA | |||
| Electrical Properties | Metric | English | Comments | ||
| Volume Resistivity | 1.00e+13 ohm-cm | 1.00e+13 ohm-cm | IEC 60093 | ||
| Dielectric Constant | 3.6 @Frequency 1.00 Hz |
3.6 @Frequency 1.00 Hz |
IEC 60250 | ||
| Dissipation Factor | 0.020 @Frequency 1.00e+6 Hz |
0.020 @Frequency 1.00e+6 Hz |
IEC 60250 | ||
| Comparative Tracking Index | 600 V | 600 V | Test solution A; IEC 60112 | ||
| Hot Wire Ignition, HWI | 2.0 sec @Thickness >=0.750 mm |
2.0 sec @Thickness >=0.0295 in |
ASTM D3874-88 | ||
| High Amp Arc Ignition, HAI | 0.00 arcs @Thickness >=0.400 mm |
0.00 arcs @Thickness >=0.0157 in |
UL 746C | ||
| Thermal Properties | Metric | English | Comments | ||
| CTE, linear, Parallel to Flow | 15.0 - 20.0 µm/m-°C @Temperature 23.0 - 80.0 °C |
8.33 - 11.1 µin/in-°F @Temperature 73.4 - 176 °F |
DIN 11359-1/-2 | ||
| CTE, linear, Transverse to Flow | 60.0 - 70.0 µm/m-°C @Temperature 23.0 - 80.0 °C |
33.3 - 38.9 µin/in-°F @Temperature 73.4 - 176 °F |
DIN 11359-1/-2 | ||
| Specific Heat Capacity | 1.40 J/g-°C | 0.335 BTU/lb-°F | |||
| Thermal Conductivity | 0.340 W/m-K | 2.36 BTU-in/hr-ft²-°F | DIN 52612 | ||
| Melting Point | 260 °C | 500 °F | DIN 53765 | ||
| Maximum Service Temperature, Air | 140 °C | 284 °F | for 50% loss of tensile strength after 20000hr | ||
| 157 °C | 315 °F | for 50% loss of tensile strength after 5000hr | |||
| 220 °C | 428 °F | ||||
| Deflection Temperature at 0.46 MPa (66 psi) | 250 °C | 482 °F | ISO 75-1/-2 | ||
| Deflection Temperature at 1.8 MPa (264 psi) | 250 °C | 482 °F | ISO 75-1/-2 | ||
| Decomposition Temperature | >= 310 °C | >= 590 °F | |||
| UL RTI, Electrical | 115 °C @Thickness 1.50 mm |
239 °F @Thickness 0.0591 in |
UL 746B | ||
| Flammability, UL94 | HB @Thickness >=0.400 mm |
HB @Thickness >=0.0157 in |
|||
| V-0 @Thickness >=0.750 mm |
V-0 @Thickness >=0.0295 in |
||||
| 5VB @Thickness >=1.50 mm |
5VB @Thickness >=0.0591 in |
||||
| Oxygen Index | 28 % | 28 % | Limiting; ISO 4589-2 | ||
| Glow Wire Test | 960 °C @Thickness 0.800 mm |
1760 °F @Thickness 0.0315 in |
IEC 60695-2-12 | ||
| Processing Properties | Metric | English | Comments | ||
| Processing Temperature | 80.0 °C | 176 °F | Hopper Throat | ||
| Zone 1 | 290 °C | 554 °F | Feed Zone | ||
| Zone 2 | 290 °C | 554 °F | Compression | ||
| Zone 3 | 290 °C | 554 °F | Metering-zone | ||
| Zone 4 | 290 °C | 554 °F | Nozzle | ||
| Melt Temperature | 280 - 300 °C | 536 - 572 °F | Injection-molding/Extrusion | ||
| 290 °C | 554 °F | Optimal | |||
| Mold Temperature | 80.0 °C | 176 °F | Optimal | ||
| 80.0 - 90.0 °C | 176 - 194 °F | Injection-molding | |||
| Drying Temperature | 80.0 °C | 176 °F | |||
| Dry Time | 4 hour | 4 hour | |||
| Moisture Content | 0.030 - 0.060 % | 0.030 - 0.060 % | Optimal | ||
| <= 0.15 % | <= 0.15 % | ||||
| De |
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| Color | BK 23187 | ||||
| Commercial Status | Europe | ||||
| Ignition Temperature | >350°C | ASTM D1929 | |||
| Peripheral Screw Speed | < 0.3 m/s | ||||
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。
3、在产品设计时，一定要考虑吸湿性对几何稳定性的影响。为了提高PA66的机械特性，经常加入各种各样的改性剂。玻璃就是最常见的添加剂，有时为了提高抗冲击性还加入合成橡胶，如EPDM和SBR等。PA66的粘性较低，因此流动性很好（但不如PA6）。这个性质可以用来加工很薄的元件。它的粘度对温度变化很敏感。
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