类别：聚合物；热塑性；聚甲醛（POM）；共聚甲醛，20%玻璃纤维增强
材料说明：形式：微丸
物性表：| Physical Properties | Metric | English | Comments |
|---|---|---|---|
| Density | 1.56 g/cc | 0.0564 lb/in³ | ASTM D792 |
| Filler Content | 20 % | 20 % | |
| Water Absorption | 0.24 % | 0.24 % | At 24 hrs; ASTM D570 |
| Mechanical Properties | Metric | English | Comments |
| Hardness, Rockwell M | 89 | 89 | ASTM D785 |
| Tensile Strength at Break | 56.5 MPa | 8200 psi | ASTM D638 |
| Elongation at Break | 10 % | 10 % | ASTM D638 |
| Flexural Strength | 70.3 MPa | 10200 psi | ASTM D790 |
| Flexural Modulus | 5.17 GPa | 750 ksi | ASTM D790 |
| Izod Impact, Notched | 0.427 J/cm | 0.800 ft-lb/in | 0.125 in; ASTM D256 |
| Tensile Impact Strength | 63.0 kJ/m² | 30.0 ft-lb/in² | Type S; ASTM D1822 |
| Thermal Properties | Metric | English | Comments |
| Melting Point | 173 °C | 344 °F | |
| Deflection Temperature at 0.46 MPa (66 psi) | 176 °C | 348 °F | Unannealed; ASTM D648 |
| Deflection Temperature at 1.8 MPa (264 psi) | 159 °C | 318 °F | Unannealed; ASTM D648 |
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