类别：聚合物；热塑性；聚甲醛（POM）；共聚甲醛，30%玻璃纤维增强
材料说明：化学缩写根据ISO 1043-1：POM
26%玻璃纤维增强，专业级超高分子量聚乙烯基低磨损
物性表：| Physical Properties | Metric | English | Comments | ||
|---|---|---|---|---|---|
| Density | 1.54 g/cc | 0.0556 lb/in³ | ISO 1183 | ||
| Linear Mold Shrinkage, Flow | 0.0030 cm/cm | 0.0030 in/in | ISO 294-4 | ||
| Linear Mold Shrinkage, Transverse | 0.0080 cm/cm | 0.0080 in/in | ISO 294-4 | ||
| Melt Flow | 2.5 g/10 min @Load 2.16 kg, Temperature 190 °C |
2.5 g/10 min @Load 4.76 lb, Temperature 374 °F |
(MVR) cm³/10min; ISO 1133 | ||
| Mechanical Properties | Metric | English | Comments | ||
| Tensile Strength at Break | 110 MPa | 16000 psi | 5mm/min; ISO 527-2/1A | ||
| Elongation at Break | 2.5 % | 2.5 % | 5mm/min; ISO 527-2/1A | ||
| Tensile Modulus | 8.70 GPa | 1260 ksi | 1mm/min; ISO 527-2/1A | ||
| Flexural Modulus | 8.40 GPa | 1220 ksi | ISO 178 | ||
| Charpy Impact, Notched | 0.550 J/cm² | 2.62 ft-lb/in² | ISO 179/1eA | ||
| 0.550 J/cm² @Temperature -30.0 °C |
2.62 ft-lb/in² @Temperature -22.0 °F |
ISO 179/1eA | |||
| Thermal Properties | Metric | English | Comments | ||
| CTE, linear | 30.0 µm/m-°C | 16.7 µin/in-°F | ISO 11359-2 | ||
| CTE, linear, Transverse to Flow | 90.0 µm/m-°C | 50.0 µin/in-°F | ISO 11359-2 | ||
| Melting Point | 166 °C | 331 °F | 10°C/min; ISO 11357-1,-2,-3 | ||
| Deflection Temperature at 1.8 MPa (264 psi) | 159 °C | 318 °F | ISO 75-1, -2 | ||
| Processing Properties | Metric | English | Comments | ||
| Processing Temperature | 20.0 - 30.0 °C | 68.0 - 86.0 °F | |||
| 80.0 - 120 °C | 176 - 248 °F | Cavity temperature | |||
| Feed Temperature | 60.0 - 80.0 °C | 140 - 176 °F | |||
| Zone 1 | 170 - 180 °C | 338 - 356 °F | |||
| Zone 2 | 180 - 190 °C | 356 - 374 °F | |||
| Zone 3 | 190 - 200 °C | 374 - 392 °F | |||
| Zone 4 | 190 - 210 °C | 374 - 410 °F | |||
| Die Temperature | 190 - 210 °C | 374 - 410 °F | |||
| Melt Temperature | 190 - 230 °C | 374 - 446 °F | |||
| Mold Temperature | 80.0 - 120 °C | 176 - 248 °F | |||
| Drying Temperature | 100 - 120 °C | 212 - 248 °F | |||
| Dry Time | 3.00 - 4.00 hour | 3.00 - 4.00 hour | |||
| Moisture Content | 0.15 % | 0.15 % | Necessary low maximum residual | ||
| Injection Pressure | 60.0 - 120 MPa | 8700 - 17400 psi | |||
| Hold Pressure | 60.0 - 120 MPa | 8700 - 17400 psi | |||
| Back Pressure | 0.500 MPa | 72.5 psi | |||
| Screw Speed | 70 rpm @Diameter 55.0 mm |
70 rpm @Diameter 2.17 in |
|||
| 100 rpm @Diameter 40.0 mm |
100 rpm @Diameter 1.57 in |
||||
| 150 rpm @Diameter 25.0 mm |
150 rpm @Diameter 0.984 in |
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| Hot-Working Temperature | 190 - 210 °C | 374 - 410 °F | |||
| De |
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| Injection molding | Yes | ||||
| Injection speed | slow | ||||
| Longer pre-drying times/storage | The product can then be stored in standard conditions until processed. | ||||
| Pre-drying | Drying is not normally required with proper storage | ||||
| Processing conditions | ISO 9988 | ||||
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