| 物性表： | |||
| Physical Properties | Metric | English | Comments |
|---|---|---|---|
| Density | 1.50 g/cc | 0.0542 lb/in³ | ISO 1183 |
| Water Absorption | 0.60 % | 0.60 % | 24 hours; ISO 62 |
| Moisture Absorption at Equilibrium | 1.5 % | 1.5 % | 50% RH; ISO 62 |
| Linear Mold Shrinkage, Flow | 0.00400 cm/cm @Thickness 2.00 mm |
0.00400 in/in @Thickness 0.0787 in |
ISO 294-4 |
| Linear Mold Shrinkage, Transverse | 0.00900 cm/cm @Thickness 2.00 mm |
0.00900 in/in @Thickness 0.0787 in |
ISO 294-4 |
| Mechanical Properties | Metric | English | Comments |
| Tensile Strength at Break | 170 MPa | 24700 psi | ISO 527-2 |
| Elongation at Break | 4.0 % | 4.0 % | ISO 527-2 |
| Tensile Modulus | 11.3 GPa | 1640 ksi | ISO 527-2 |
| Flexural Strength | 250 MPa | 36300 psi | ISO 178 |
| Flexural Modulus | 9.40 GPa | 1360 ksi | ISO 178 |
| Izod Impact, Notched (ISO) | 13.0 kJ/m² @Temperature -30.0 °C |
6.19 ft-lb/in² @Temperature -22.0 °F |
ISO 180 |
| 19.0 kJ/m² @Temperature 23.0 °C |
9.04 ft-lb/in² @Temperature 73.4 °F |
ISO 180 | |
| Charpy Impact Unnotched | 9.00 J/cm² @Temperature -30.0 °C |
42.8 ft-lb/in² @Temperature -22.0 °F |
ISO 179 |
| 9.50 J/cm² @Temperature 23.0 °C |
45.2 ft-lb/in² @Temperature 73.4 °F |
ISO 179 | |
| Charpy Impact, Notched | 1.40 J/cm² @Temperature -30.0 °C |
6.66 ft-lb/in² @Temperature -22.0 °F |
ISO 179 |
| 2.00 J/cm² @Temperature 23.0 °C |
9.52 ft-lb/in² @Temperature 73.4 °F |
ISO 179 |
|
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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