类别：聚合物；热塑性；聚甲醛（POM）
材料说明：Hostaform®m25ae是特殊等级的乙缩醛共聚物用于挤出形状（棒，棒，板，等）不在大直径和厚度的中心孔。
无孔中心孔形状的挤出级。
物性表：| Physical Properties | Metric | English | Comments | ||
|---|---|---|---|---|---|
| Density | 1.41 g/cc | 0.0509 lb/in³ | ISO 1183 | ||
| 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, Yield | 61.0 MPa | 8850 psi | 50mm/min; ISO 527-2/1A | ||
| Elongation at Yield | 11 % | 11 % | 50mm/min; ISO 527-2/1A | ||
| Tensile Modulus | 2.40 GPa | 348 ksi | 1mm/min; ISO 527-2/1A | ||
| Flexural Modulus | 2.40 GPa | 348 ksi | ISO 178 | ||
| Charpy Impact, Notched | 0.850 J/cm² | 4.04 ft-lb/in² | ISO 179/1eA | ||
| Thermal Properties | Metric | English | Comments | ||
| CTE, linear | 110 µm/m-°C | 61.1 µin/in-°F | ISO 11359-2 | ||
| CTE, linear, Transverse to Flow | 100 µm/m-°C | 55.6 µin/in-°F | ISO 11359-2 | ||
| Melting Point | 163 °C | 325 °F | 10°C/min; ISO 11357-1,-2,-3 | ||
| Deflection Temperature at 1.8 MPa (264 psi) | 91.0 °C | 196 °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 - 210 °C | 374 - 410 °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 | |||
| Hot-Working Temperature | 190 - 210 °C | 374 - 410 °F | |||
| De |
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| Injection molding | Yes | ||||
| Injection speed | slow | ||||
| Pre-drying | Drying is not normally required with proper storage | ||||
| Processing conditions | ISO 9988-2 | ||||
| Processing Notes | screws (minimum 25 D) will fit. | ||||
| screws (minimum 25 D) will fit. | |||||
| Profile extrusion | Yes | ||||
| Sheet extrusion | Yes | ||||
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