类别：聚合物；热塑性；聚甲醛（POM）
材料说明：本®Edgetek工程热塑性化合物组合，涵盖范围广泛的标准和定制的配制高性能材料。此组合包括高温材料的高温环境下，高模量/结构材料的承重和高强度的应用和阻燃产品。这些化合物是根据选定的工程热塑性树脂，复合材料，如碳纤维，玻璃纤维和玻璃珠增强添加剂。
物性表：| Physical Properties | Metric | English | Comments | ||
|---|---|---|---|---|---|
| Specific Gravity | 1.41 g/cc | 1.41 g/cc | ASTM D792 | ||
| Water Absorption | 0.20 % @Thickness 3.18 mm |
0.20 % @Thickness 0.125 in |
@ 24 hrs; ASTM D570 | ||
| Linear Mold Shrinkage, Flow | 0.025 - 0.027 cm/cm | 0.025 - 0.027 in/in | ASTM D955 | ||
| Melt Flow | 8.2 g/10 min @Load 2.16 kg, Temperature 190 °C |
8.2 g/10 min @Load 4.76 lb, Temperature 374 °F |
Procedure A; ASTM D1238 | ||
| Mechanical Properties | Metric | English | Comments | ||
| Tensile Strength, Yield | 65.5 MPa | 9500 psi | Type I, 5.1 mm/min; ASTM D638 | ||
| Elongation at Break | 40 % | 40 % | Type I, 5.1 mm/min; ASTM D638 | ||
| Tensile Modulus | 2.52 GPa | 365 ksi | Type I, 5.1 mm/min; ASTM D638 | ||
| Flexural Strength | 89.6 MPa | 13000 psi | ASTM D790 | ||
| Flexural Modulus | 2.52 GPa | 365 ksi | ASTM D790 | ||
| Izod Impact, Notched | 0.690 J/cm @Thickness 3.18 mm, Temperature 23.0 °C |
1.29 ft-lb/in @Thickness 0.125 in, Temperature 73.4 °F |
Injection Molded; ASTM D256A | ||
| Thermal Properties | Metric | English | Comments | ||
| CTE, linear, Parallel to Flow | 86.0 µm/m-°C | 47.8 µin/in-°F | ASTM D696 | ||
| Deflection Temperature at 1.8 MPa (264 psi) | 110 °C @Thickness 3.18 mm |
230 °F @Thickness 0.125 in |
Unannealed; ASTM D648 | ||
| Processing Properties | Metric | English | Comments | ||
| Melt Temperature | 188 - 210 °C | 370 - 410 °F | |||
| Mold Temperature | 48.9 - 82.2 °C | 120 - 180 °F | |||
| Drying Temperature | 82.2 °C | 180 °F | |||
| Dry Time | 2.00 hour | 2.00 hour | |||
| De |
|||||
| Appearance | Black | ||||
| Features | Copolymer | ||||
| General Purpose | |||||
| Good Wear Resistance | |||||
| Low Friction | |||||
| Forms | Pellets | ||||
| Generic Material | Acetal (POM) Copolymer | ||||
| Generic Name | Acetal (POM) Copolymer | ||||
| Processing Method | Injection Molding | ||||
| Regional Availability | Africa & Middle East | ||||
| Asia Pacific | |||||
| Europe | |||||
| North America | |||||
| South America | |||||
| Uses | Automotive Applications | ||||
| Bearings | |||||
| Business Equipment | |||||
| Consumer Applications | |||||
| Gears | |||||
| General Purpose | |||||
| Industrial Applications | |||||
| Pulleys | |||||
| Rollers |
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