类别：聚合物；热塑性；聚甲醛（POM）；缩醛均聚物，无筋
材料说明：核介质粘度缩醛均聚物
聚甲醛是一511dp介质粘度缩醛均聚物和提高热稳定性和更精确成型的修改（降低翘曲不收缩减少空隙）。
物性表：| Physical Properties | Metric | English | Comments | ||
|---|---|---|---|---|---|
| Density | 1.42 g/cc | 0.0513 lb/in³ | ISO 1183 | ||
| Water Absorption | 0.90 % @Thickness 2.00 mm |
0.90 % @Thickness 0.0787 in |
Sim. to ISO 62 | ||
| Moisture Absorption | 0.200 % @Thickness 2.00 mm |
0.200 % @Thickness 0.0787 in |
Sim. to ISO 62 | ||
| Linear Mold Shrinkage, Flow | 0.019 cm/cm | 0.019 in/in | ISO 294-4 2577 | ||
| Linear Mold Shrinkage, Transverse | 0.018 cm/cm | 0.018 in/in | ISO 294-4 2577 | ||
| Melt Flow | 13 g/10 min @Load 2.16 kg, Temperature 190 °C |
13 g/10 min @Load 4.76 lb, Temperature 374 °F |
cm³/10min; ISO 1133 | ||
| 14 g/10 min @Load 2.16 kg, Temperature 190 °C |
14 g/10 min @Load 4.76 lb, Temperature 374 °F |
ISO 1133 | |||
| Mechanical Properties | Metric | English | Comments | ||
| Tensile Strength, Yield | 74.0 MPa | 10700 psi | ISO 527-1/-2 | ||
| Elongation at Break | 20 % | 20 % | Nominal; ISO 527-1/-2 | ||
| Elongation at Yield | 12 % | 12 % | ISO 527-1/-2 | ||
| Tensile Modulus | 3.40 GPa | 493 ksi | ISO 527-1/-2 | ||
| Flexural Strength | 85.0 MPa @Strain 3.50 % |
12300 psi @Strain 3.50 % |
ISO 178 | ||
| Flexural Modulus | 3.20 GPa | 464 ksi | ISO 178 | ||
| Charpy Impact Unnotched | 16.0 J/cm² | 76.1 ft-lb/in² | ISO 179/1eU | ||
| 16.0 J/cm² @Temperature -30.0 °C |
76.1 ft-lb/in² @Temperature -22.0 °F |
ISO 179/1eU | |||
| Charpy Impact, Notched | 0.700 J/cm² | 3.33 ft-lb/in² | ISO 179/1eA | ||
| 0.600 J/cm² @Temperature -30.0 °C |
2.86 ft-lb/in² @Temperature -22.0 °F |
ISO 179/1eA | |||
| Thermal Properties | Metric | English | Comments | ||
| Melting Point | 178 °C | 352 °F | 10°C/min; ISO 11357-1/-3 | ||
| Deflection Temperature at 0.46 MPa (66 psi) | 163 °C | 325 °F | ISO 75-1/-2 | ||
| Deflection Temperature at 1.8 MPa (264 psi) | 105 °C | 221 °F | ISO 75-1/-2 | ||
| De |
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| Delivery form | Pellets | ||||
| Part Marking Code | >POM< | ISO 11469 | |||
| Processing | Injection Moulding | ||||
| Regional Availability | Asia Pacific | ||||
| Europe | |||||
| Global | |||||
| Near East/Africa | |||||
| North America | |||||
| South and Central America | |||||
| Resin Identification | POM | ISO 1043 |
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