类别：聚合物；热塑性；聚甲醛（POM）；乙缩醛共聚物，无筋
材料说明：POM的性能有所增加，较厚的注塑流动性高的分子重量级壁成型。
物性表：
物性表：
| Physical Properties | Metric | English | Comments | ||
|---|---|---|---|---|---|
| Density | 1.40 g/cc | 0.0506 lb/in³ | ISO 1183 | ||
| Water Absorption | 0.80 % | 0.80 % | Saturation; ISO 62 | ||
| Moisture Absorption at Equilibrium | 0.20 % | 0.20 % | 23°C; 50% RH; ISO 62 | ||
| Melt Flow | 3.4 g/10 min @Load 2.16 kg, Temperature 190 °C |
3.4 g/10 min @Load 4.76 lb, Temperature 374 °F |
ISO 1133 | ||
| Mechanical Properties | Metric | English | Comments | ||
| Ball Indentation Hardness | 135 MPa @Load 36.5 kg, Time 30.0 sec |
19600 psi @Load 80.5 lb, Time 0.00833 hour |
ISO 2039-1 | ||
| Tensile Strength, Yield | 64.0 MPa | 9280 psi | 50 mm/min; ISO 527-2 | ||
| Elongation at Break | 30 % | 30 % | ISO 527-2 | ||
| Elongation at Yield | 11 % | 11 % | ISO 527-2 | ||
| Modulus of Elasticity | 2.60 GPa | 377 ksi | ISO 527-2 | ||
| Izod Impact, Notched (ISO) | 6.50 kJ/m² @Temperature 23.0 °C |
3.09 ft-lb/in² @Temperature 73.4 °F |
ISO 180/A | ||
| 7.00 kJ/m² @Temperature -30.0 °C |
3.33 ft-lb/in² @Temperature -22.0 °F |
ISO 180/A | |||
| Charpy Impact Unnotched | 20.0 J/cm² @Temperature -30.0 °C |
95.2 ft-lb/in² @Temperature -22.0 °F |
ISO 179/1eU | ||
| 26.0 J/cm² @Temperature 23.0 °C |
124 ft-lb/in² @Temperature 73.4 °F |
ISO 179/1eU | |||
| Charpy Impact, Notched | 0.550 J/cm² @Temperature -30.0 °C |
2.62 ft-lb/in² @Temperature -22.0 °F |
ISO 179/1eA | ||
| 0.600 J/cm² @Temperature 23.0 °C |
2.86 ft-lb/in² @Temperature 73.4 °F |
ISO 179/1eA | |||
| Tensile Creep Modulus, 1000 hours | 1300 MPa | 189000 psi | 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 | ||
| 3.8 @Frequency 100 Hz |
3.8 @Frequency 100 Hz |
IEC 60250 | |||
| Dielectric Strength | 40.0 kV/mm | 1020 kV/in | IEC 60243-1 | ||
| Dissipation Factor | 0.0010 @Frequency 100 Hz |
0.0010 @Frequency 100 Hz |
IEC 60250 | ||
| 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 | ||
| 600 V | 600 V | Test solution B; IEC 60112 | |||
| Thermal Properties | Metric | English | Comments | ||
| CTE, linear, Parallel to Flow | 12.0 µm/m-°C @Temperature 23.0 - 55.0 °C |
6.67 µin/in-°F @Temperature 73.4 - 131 °F |
DIN 53752 | ||
| Melting Point | 166 °C | 331 °F | DIN 53765 | ||
| Maximum Service Temperature, Air | 100 °C | 212 °F | |||
| Deflection Temperature at 1.8 MPa (264 psi) | 95.0 °C | 203 °F | ISO 75-2 | ||
| Vicat Softening Point | 150 °C | 302 °F | ISO 306 | ||
| Processing Properties | Metric | English | Comments | ||
| Melt Temperature | 190 - 230 °C | 374 - 446 °F | Injection-molding | ||
| Mold Temperature | 60.0 - 120 °C | 140 - 248 °F | |||
| De |
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| Commercial Status | Europe | ||||
| Primary Processing Technique | Extrusion and Injection Molding | ||||
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