类别：聚合物；热塑性；聚甲醛（POM）；乙缩醛共聚物，无筋
材料说明：是POM + PUR，与剪辑高冲击强度橡胶改性注塑级，单元和固定的元素，也为受冲击应力分量。
物性表：| Physical Properties | Metric | English | Comments | ||
|---|---|---|---|---|---|
| Density | 1.37 g/cc | 0.0495 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 | 8.5 g/10 min @Load 2.16 kg, Temperature 190 °C |
8.5 g/10 min @Load 4.76 lb, Temperature 374 °F |
ISO 1133 | ||
| Mechanical Properties | Metric | English | Comments | ||
| Ball Indentation Hardness | 105 MPa @Load 36.5 kg, Time 30.0 sec |
15200 psi @Load 80.5 lb, Time 0.00833 hour |
ISO 2039-1 | ||
| Tensile Strength, Yield | 52.0 MPa | 7540 psi | 50 mm/min; ISO 527-2 | ||
| Elongation at Break | 48 % | 48 % | ISO 527-2 | ||
| Elongation at Yield | 13 % | 13 % | ISO 527-2 | ||
| Modulus of Elasticity | 1.90 GPa | 276 ksi | ISO 527-2 | ||
| Izod Impact, Notched (ISO) | 7.00 kJ/m² @Temperature -30.0 °C |
3.33 ft-lb/in² @Temperature -22.0 °F |
ISO 180/A | ||
| 10.0 kJ/m² @Temperature 23.0 °C |
4.76 ft-lb/in² @Temperature 73.4 °F |
ISO 180/A | |||
| Charpy Impact Unnotched | 29.0 J/cm² @Temperature -30.0 °C |
138 ft-lb/in² @Temperature -22.0 °F |
ISO 179/1eU | ||
| NB @Temperature 23.0 °C |
NB @Temperature 73.4 °F |
ISO 179/1eU | |||
| Charpy Impact, Notched | 0.700 J/cm² @Temperature -30.0 °C |
3.33 ft-lb/in² @Temperature -22.0 °F |
ISO 179/1eA | ||
| 1.20 J/cm² @Temperature 23.0 °C |
5.71 ft-lb/in² @Temperature 73.4 °F |
ISO 179/1eA | |||
| Tensile Creep Modulus, 1000 hours | 700 MPa | 102000 psi | ISO 899-1 | ||
| Electrical Properties | Metric | English | Comments | ||
| Volume Resistivity | 1.00e+12 ohm-cm | 1.00e+12 ohm-cm | IEC 60093 | ||
| Surface Resistance | 1.00e+14 ohm | 1.00e+14 ohm | IEC 60093 | ||
| Dielectric Constant | 3.9 @Frequency 1.00e+6 Hz |
3.9 @Frequency 1.00e+6 Hz |
IEC 60250 | ||
| 4.1 @Frequency 100 Hz |
4.1 @Frequency 100 Hz |
IEC 60250 | |||
| Dielectric Strength | 34.0 kV/mm | 864 kV/in | IEC 60243-1 | ||
| Dissipation Factor | 0.0080 @Frequency 100 Hz |
0.0080 @Frequency 100 Hz |
IEC 60250 | ||
| 0.012 @Frequency 1.00e+6 Hz |
0.012 @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 | 13.0 µm/m-°C @Temperature 23.0 - 55.0 °C |
7.22 µin/in-°F @Temperature 73.4 - 131 °F |
DIN 53752 | ||
| Melting Point | 167 °C | 333 °F | DIN 53765 | ||
| Maximum Service Temperature, Air | 100 °C | 212 °F | |||
| Deflection Temperature at 1.8 MPa (264 psi) | 80.0 °C | 176 °F | ISO 75-2 | ||
| Vicat Softening Point | 140 °C | 284 °F | ISO 306 | ||
| Processing Properties | Metric | English | Comments | ||
| Melt Temperature | 190 - 215 °C | 374 - 419 °F | Injection-molding | ||
| Mold Temperature | 60.0 - 80.0 °C | 140 - 176 °F | |||
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| Commercial Status | Europe | ||||
| Primary Processing Technique | Injection Molding | ||||
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