类别：聚合物；热塑性；聚甲醛（POM）
材料说明：初步数据表，冲击改性，耐候性
物性表：| Physical Properties | Metric | English | Comments | ||
|---|---|---|---|---|---|
| Density | 1.37 g/cc | 0.0495 lb/in³ | ISO 1183 | ||
| Water Absorption | 0.80 % | 0.80 % | ISO 62 | ||
| Melt Flow | 4.5 g/10 min @Load 2.16 kg, Temperature 190 °C |
4.5 g/10 min @Load 4.76 lb, Temperature 374 °F |
(MVR) cm³/10min; ISO 1133 | ||
| Mechanical Properties | Metric | English | Comments | ||
| Tensile Strength, Yield | 41.0 MPa | 5950 psi | 50mm/min; ISO 527-2/1A | ||
| Elongation at Yield | 20 % | 20 % | 50mm/min; ISO 527-2/1A | ||
| Tensile Modulus | 1.50 GPa | 218 ksi | 1mm/min; ISO 527-2/1A | ||
| Flexural Modulus | 1.40 GPa | 203 ksi | ISO 178 | ||
| Charpy Impact, Notched | 1.60 J/cm² | 7.61 ft-lb/in² | ISO 179/1eA | ||
| 0.700 J/cm² @Temperature -30.0 °C |
3.33 ft-lb/in² @Temperature -22.0 °F |
ISO 179/1eA | |||
| Thermal Properties | Metric | English | Comments | ||
| CTE, linear | 120 µm/m-°C | 66.7 µin/in-°F | ISO 11359-2 | ||
| CTE, linear, Transverse to Flow | 110 µm/m-°C | 61.1 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) | 75.0 °C | 167 °F | ISO 75-1, -2 | ||
| Processing Properties | Metric | English | Comments | ||
| Processing Temperature | 60.0 - 70.0 °C | 140 - 158 °F | Cavity temperature | ||
| <= 205 °C | <= 401 °F | to avoid burning and discoloring product | |||
| Zone 1 | 170 - 180 °C | 338 - 356 °F | |||
| Zone 2 | 180 - 190 °C | 356 - 374 °F | |||
| Zone 3 | 180 - 190 °C | 356 - 374 °F | |||
| Zone 4 | 180 - 200 °C | 356 - 392 °F | |||
| Die Temperature | 180 - 200 °C | 356 - 392 °F | |||
| Melt Temperature | 180 - 200 °C | 356 - 392 °F | |||
| Drying Temperature | 80.0 - 100 °C | 176 - 212 °F | |||
| Dry Time | 3.00 hour | 3.00 hour | |||
| 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 | |||
| De |
|||||
| Injection molding | Yes | ||||
| Injection speed | slow | ||||
| Pre-drying | Drying is not normally required with proper storage | ||||
| Processing conditions | ISO 9988-2 | ||||
| Profile extrusion | Yes | ||||
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