类别：聚合物；热塑性；聚甲醛（POM）；乙缩醛共聚物，无筋
材料说明：一个基于M270制定减少塑件上产生静电的材料。
物性表：| Physical Properties | Metric | English | Comments |
|---|---|---|---|
| Density | 1.41 g/cc | 0.0509 lb/in³ | ASTM D792 |
| Water Absorption | 0.22 % | 0.22 % | ASTM D570 |
| Moisture Absorption at Equilibrium | 0.80 % | 0.80 % | ASTM D570 |
| Linear Mold Shrinkage | 0.022 cm/cm | 0.022 in/in | |
| Linear Mold Shrinkage, Transverse | 0.018 cm/cm | 0.018 in/in | |
| Mechanical Properties | Metric | English | Comments |
| Hardness, Rockwell M | 85 | 85 | ASTM D785 |
| Tensile Strength, Yield | 61.0 MPa | 8850 psi | ASTM D638 |
| Elongation at Break | 40 % | 40 % | ASTM D638 |
| Flexural Strength | 90.0 MPa | 13100 psi | ASTM D790 |
| Flexural Modulus | 2.60 GPa | 377 ksi | ASTM D790 |
| Compressive Strength | 110 MPa | 16000 psi | 10% Deflection; ASTM D695 |
| Shear Strength | 53.0 MPa | 7690 psi | ASTM D732 |
| Izod Impact, Notched | 0.500 J/cm | 0.937 ft-lb/in | ASTM D256 |
| 0.400 J/cm @Temperature -29.0 °C |
0.749 ft-lb/in @Temperature -20.2 °F |
ASTM D256 | |
| Tensile Impact Strength | 130 kJ/m² | 61.9 ft-lb/in² | ASTM D1822 |
| Thermal Properties | Metric | English | Comments |
| Deflection Temperature at 0.46 MPa (66 psi) | 158 °C | 316 °F | ASTM D648 |
| Deflection Temperature at 1.8 MPa (264 psi) | 110 °C | 230 °F | ASTM D648 |
| Flammability, UL94 | HB | HB |
|
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