类别：聚合物；热塑性；聚甲醛（POM）；乙缩醛共聚物，无筋
特点：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
注射成型
形式：微丸
物性表：| Physical Properties | Metric | English | Comments |
|---|---|---|---|
| Density | 1.41 g/cc | 0.0509 lb/in³ | ASTM D792 |
| Water Absorption | 0.16 % | 0.16 % | At 24 hrs; ASTM D570 |
| Linear Mold Shrinkage, Flow | 0.022 cm/cm | 0.022 in/in | 0.125 in; ASTM D955 |
| Linear Mold Shrinkage, Transverse | 0.018 cm/cm | 0.018 in/in | 0.125 in; ASTM D955 |
| Melt Flow | 9.0 g/10 min | 9.0 g/10 min | ASTM D1238 |
| Mechanical Properties | Metric | English | Comments |
| Hardness, Rockwell M | 80 | 80 | ASTM D785 |
| Tensile Strength, Yield | 61.4 MPa | 8900 psi | ASTM D638 |
| Elongation at Break | 45 % | 45 % | ASTM D638 |
| Flexural Strength | 91.7 MPa | 13300 psi | ASTM D790 |
| Flexural Modulus | 2.59 GPa | 375 ksi | ASTM D790 |
| Izod Impact, Notched | 0.641 J/cm | 1.20 ft-lb/in | 0.125 in; ASTM D256 |
| Tensile Impact Strength | 126 kJ/m² | 60.0 ft-lb/in² | Type S; ASTM D1822 |
| Thermal Properties | Metric | English | Comments |
| Melting Point | 165 °C | 329 °F | |
| Deflection Temperature at 1.8 MPa (264 psi) | 110 °C | 230 °F | Unannealed; ASTM D648 |
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