类别：聚合物；热塑性；聚甲醛（POM）；乙缩醛共聚物，无筋
材料说明：非常好的流动性，快速凝固级与紫外线稳定的使用，在处理是非常困难的，但机械要求较低。
物性表：| Physical Properties | Metric | English | Comments | ||
|---|---|---|---|---|---|
| Bulk Density | 0.850 g/cc | 0.0307 lb/in³ | |||
| Density | 1.40 g/cc | 0.0506 lb/in³ | ISO 1183 | ||
| Water Absorption | 0.80 % | 0.80 % | ISO 62 | ||
| Moisture Absorption at Equilibrium | 0.20 % | 0.20 % | ISO 62 | ||
| Linear Mold Shrinkage, Flow | 0.020 cm/cm | 0.020 in/in | ISO 2577 | ||
| Linear Mold Shrinkage, Transverse | 0.021 cm/cm | 0.021 in/in | ISO 2577 | ||
| Melt Flow | 32.2 g/10 min @Load 2.16 kg, Temperature 190 °C |
32.2 g/10 min @Load 4.76 lb, Temperature 374 °F |
ISO 1133 | ||
| Mechanical Properties | Metric | English | Comments | ||
| Ball Indentation Hardness | 145 MPa @Load 36.5 kg, Time 30.0 sec |
21000 psi @Load 80.5 lb, Time 0.00833 hour |
ISO 2039-1 | ||
| Tensile Strength, Yield | 64.0 MPa | 9280 psi | 50 mm/min; ISO 527-1/-2 | ||
| Elongation at Break | 24 % | 24 % | 50 mm/min, Nominal; ISO 527-1/-2 | ||
| Elongation at Yield | 7.5 % | 7.5 % | 50 mm/min; ISO 527-1/-2 | ||
| Tensile Modulus | 2.75 GPa | 399 ksi | ISO 527-1/-2 | ||
| Charpy Impact Unnotched | 15.0 J/cm² @Temperature -30.0 °C |
71.4 ft-lb/in² @Temperature -22.0 °F |
ISO 179/1eU | ||
| 16.0 J/cm² @Temperature 23.0 °C |
76.1 ft-lb/in² @Temperature 73.4 °F |
ISO 179/1eU | |||
| Charpy Impact, Notched | 0.450 J/cm² @Temperature -30.0 °C |
2.14 ft-lb/in² @Temperature -22.0 °F |
ISO 179/1eA | ||
| 0.450 J/cm² @Temperature 23.0 °C |
2.14 ft-lb/in² @Temperature 73.4 °F |
ISO 179/1eA | |||
| Tensile Creep Modulus, 1000 hours | 1350 MPa @Strain <=0.500 % |
196000 psi @Strain <=0.500 % |
ISO 899-1 | ||
| Electrical Properties | Metric | English | Comments | ||
| Volume Resistivity | 1.00e+13 ohm-cm | 1.00e+13 ohm-cm | IEC 60093 | ||
| Surface Resistance | 1.00e+13 ohm | 1.00e+13 ohm | IEC 60093 | ||
| Dielectric Constant | 3.8 @Frequency 1.00e+6 Hz |
3.8 @Frequency 1.00e+6 Hz |
IEC 60250 | ||
| Dissipation Factor | 0.0050 @Frequency 1.00e+6 Hz |
0.0050 @Frequency 1.00e+6 Hz |
IEC 60250 | ||
| Comparative Tracking Index | 600 V | 600 V | Test Solution A; IEC 60112 | ||
| Thermal Properties | Metric | English | Comments | ||
| CTE, linear, Parallel to Flow | 110 µm/m-°C @Temperature 23.0 - 55.0 °C |
61.1 µin/in-°F @Temperature 73.4 - 131 °F |
ISO 11359-1/-2 | ||
| Melting Point | 167 °C | 333 °F | ISO 11357-1/-3 | ||
| Maximum Service Temperature, Air | 100 °C | 212 °F | |||
| Deflection Temperature at 1.8 MPa (264 psi) | 95.0 °C | 203 °F | ISO 75-1/-2 | ||
| Decomposition Temperature | >= 240 °C | >= 464 °F | |||
| Flammability, UL94 | HB @Thickness 1.60 mm |
HB @Thickness 0.0630 in |
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| Processing Properties | Metric | English | Comments | ||
| Processing Temperature | 200 °C | 392 °F | Hopper Throat | ||
| Zone 1 | 200 °C | 392 °F | Feed zone | ||
| Zone 2 | 200 °C | 392 °F | Compression | ||
| Zone 3 | 200 °C | 392 °F | Metering-zone | ||
| Zone 4 | 200 °C | 392 °F | Nozzle | ||
| Melt Temperature | 200 °C | 392 °F | Optimal | ||
| 190 - 230 °C | 374 - 446 °F | Injection molding | |||
| Mold Temperature | 60.0 - 120 °C | 140 - 248 °F | Injection molding | ||
| 90.0 °C | 194 °F | Optimal | |||
| Drying Temperature | 100 °C | 212 °F | |||
| Dry Time | 3 hour | 3 hour | |||
| De |
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| Ignition Temperature | 320 - 340 °C | ASTM D1929 | |||
| Peripheral Screw Speed | <0.3 m/s | ||||
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