类别：聚合物；热塑性；聚甲醛（POM）；共聚甲醛，30%玻璃纤维增强
特点：玻璃纤维增强，抗碱，良好的耐化学性，良好的尺寸稳定性，抗疲劳，低摩擦，耐油脂，低吸湿，耐油，弹性，高刚度，耐溶剂，高强度，良好的热稳定性，韧性好
形式：微丸
物性表：| Physical Properties | Metric | English | Comments |
|---|---|---|---|
| Density | 1.58 g/cc | 0.0571 lb/in³ | ASTM D792 |
| Filler Content | 25 % | 25 % | |
| Water Absorption | 0.26 % | 0.26 % | At 24 hrs; ASTM D570 |
| Linear Mold Shrinkage, Flow | 0.0040 cm/cm | 0.0040 in/in | 0.125 in; ASTM D955 |
| Linear Mold Shrinkage, Transverse | 0.011 cm/cm | 0.011 in/in | 0.125 in; ASTM D955 |
| Mechanical Properties | Metric | English | Comments |
| Hardness, Rockwell M | 85 | 85 | ASTM D785 |
| Tensile Strength, Yield | 114 MPa | 16500 psi | ASTM D638 |
| Elongation at Break | 3.5 % | 3.5 % | ASTM D638 |
| Flexural Modulus | 7.58 GPa | 1100 ksi | ASTM D790 |
| Izod Impact, Notched | 0.534 J/cm | 1.00 ft-lb/in | 0.125 in; ASTM D256 |
| Tensile Impact Strength | 94.5 kJ/m² | 45.0 ft-lb/in² | Type S; ASTM D1822 |
| Thermal Properties | Metric | English | Comments |
| Deflection Temperature at 0.46 MPa (66 psi) | 166 °C | 330 °F | Unannealed; ASTM D648 |
| Deflection Temperature at 1.8 MPa (264 psi) | 161 °C | 322 °F | Unannealed; ASTM D648 |
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