类别：聚合物；热塑性；聚甲醛（POM）；乙缩醛共聚物，无筋
材料说明：该材料具有导电性，具有较高的机械强度和尺寸稳定性。应用包括在潜在爆炸区的结构部件，将静电荷组成，输送粉状物料的桨。
物性表：| Physical Properties | Metric | English | Comments |
|---|---|---|---|
| Density | 1.45 g/cc | 0.0524 lb/in³ | ISO 1183 |
| Moisture Absorption at Equilibrium | 0.20 % | 0.20 % | in normal climate 23°C/50%RH; ISO 62 |
| Water Absorption at Saturation | 0.70 % | 0.70 % | in water at 23°C; ISO 62 |
| Mechanical Properties | Metric | English | Comments |
| Hardness, Rockwell M | 97 @Thickness 10.0 mm |
97 @Thickness 0.394 in |
ISO 2039-2 |
| Ball Indentation Hardness | 147 MPa | 21300 psi | value at 30 sec.; ISO 2039-1 |
| Tensile Strength, Yield | 63.0 MPa | 9140 psi | v = 50 mm/min; ISO 527-2 |
| Elongation at Break | 17 % | 17 % | ISO 527-2 |
| Tensile Modulus | 2.80 GPa | 406 ksi | ISO 527-2 |
| Flexural Modulus | 2.70 GPa | 392 ksi | ISO 178 |
| Charpy Impact Unnotched | 12.0 J/cm² | 57.1 ft-lb/in² | ISO 179/1eU |
| Charpy Impact, Notched | 0.550 J/cm² | 2.62 ft-lb/in² | ISO 179/1eA |
| Electrical Properties | Metric | English | Comments |
| Electrical Resistivity | 1e+05 | 1e+05 | IEC 60093 |
| Surface Resistance | 100 ohm | 100 ohm | IEC 60093 |
| Thermal Properties | Metric | English | Comments |
| CTE, linear | 110 µm/m-°C @Temperature 20.0 °C |
61.1 µin/in-°F @Temperature 68.0 °F |
ISO 11359 |
| Thermal Conductivity | 0.300 W/m-K | 2.08 BTU-in/hr-ft²-°F | |
| Melting Point | 166 °C | 331 °F | 10K/min; ISO 3146 |
| Maximum Service Temperature, Air | 100 °C | 212 °F | Long Term |
| 140 °C | 284 °F | Short term | |
| Deflection Temperature at 1.8 MPa (264 psi) | 100 °C | 212 °F | ISO 75-2 |
| Vicat Softening Point | 150 °C | 302 °F | VST/B/50; ISO 306 |
| Minimum Service Temperature, Air | -20.0 °C | -4.00 °F | |
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