物性表: | |||||
Physical Properties | Metric | English | Comments | ||
---|---|---|---|---|---|
Bulk Density | 0.500 - 0.800 g/cc | 0.0181 - 0.0289 lb/in³ | |||
Density | 1.55 g/cc | 0.0560 lb/in³ | ISO 1183 | ||
Water Absorption | 3.7 - 4.3 % | 3.7 - 4.3 % | ISO 62 | ||
Moisture Absorption at Equilibrium | 1.0 - 1.4 % | 1.0 - 1.4 % | ISO 62 | ||
Viscosity Measurement | 140 | 140 | ISO 307 | ||
Linear Mold Shrinkage | 0.0035 cm/cm | 0.0035 in/in | |||
Linear Mold Shrinkage, Flow | 0.0030 cm/cm | 0.0030 in/in | ISO 2577 | ||
Linear Mold Shrinkage, Transverse | 0.0085 cm/cm | 0.0085 in/in | ISO 2577 | ||
Melt Flow | 15.5 g/10 min @Load 5.00 kg, Temperature 275 °C |
15.5 g/10 min @Load 11.0 lb, Temperature 527 °F |
ISO 1133 | ||
Mechanical Properties | Metric | English | Comments | ||
Tensile Strength at Break | 255 MPa | 37000 psi | ISO 527-1/-2 | ||
Elongation at Break | 2.8 % | 2.8 % | ISO 527-1/-2 | ||
Modulus of Elasticity | 16.0 GPa | 2320 ksi | ISO 527-1/-2 | ||
Charpy Impact Unnotched | 10.0 J/cm² @Temperature 23.0 °C |
47.6 ft-lb/in² @Temperature 73.4 °F |
ISO 179/1eU | ||
Thermal Properties | Metric | English | Comments | ||
Melting Point | 260 °C | 500 °F | ISO 11357-1/-3 | ||
Maximum Service Temperature, Air | 240 °C | 464 °F | |||
Deflection Temperature at 0.46 MPa (66 psi) | 250 °C | 482 °F | ISO 527-1/-2 | ||
Deflection Temperature at 1.8 MPa (264 psi) | 250 °C | 482 °F | ISO 527-1/-2 | ||
Decomposition Temperature | >= 310 °C | >= 590 °F | |||
Flammability, UL94 | HB @Thickness 1.60 mm |
HB @Thickness 0.0630 in |
|||
Processing Properties | Metric | English | Comments | ||
Processing Temperature | 80.0 °C | 176 °F | Hopper Throat | ||
Zone 1 | 300 °C | 572 °F | Feed zone | ||
Zone 2 | 300 °C | 572 °F | Compression | ||
Zone 3 | 300 °C | 572 °F | Metering-zone | ||
Zone 4 | 300 °C | 572 °F | Nozzle | ||
Melt Temperature | 280 - 310 °C | 536 - 590 °F | Injection Molding/Extrusion | ||
300 °C | 572 °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 20560 | ||||
Commercial Status | Europe | ||||
Ignition Temperature | >400°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。

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