公司的特点®m15hp POM
类别：聚合物；热塑性；聚甲醛（POM）
材料说明：特点：®共聚级m15hp是抗蠕变，高粘度的聚合物
建议与长度至少20:1的直径比标准挤出机。螺钉应至少3:1和4:1的高压缩比的最好保证良好的熔融和熔体的均匀性。设计应约35%每层
物性表：| Physical Properties | Metric | English | Comments | ||
|---|---|---|---|---|---|
| Specific Gravity | 1.41 g/cc | 1.41 g/cc | ASTM D792 | ||
| Density | 1.41 g/cc | 0.0509 lb/in³ | ISO 1183 | ||
| Density of Compound | 1.165 g/cc | 0.04209 lb/in³ | melt; Internal | ||
| Water Absorption | 0.75 % | 0.75 % | ISO 62 | ||
| Moisture Absorption | 0.200 % | 0.200 % | 23°C/50%RH; ISO 62 | ||
| Linear Mold Shrinkage, Flow | 0.023 cm/cm | 0.023 in/in | ISO 294-4 | ||
| Linear Mold Shrinkage, Transverse | 0.019 cm/cm | 0.019 in/in | ISO 294-4 | ||
| Melt Flow | 1.5 g/10 min | 1.5 g/10 min | ASTM D1238 | ||
| 1.3 g/10 min @Load 2.16 kg, Temperature 190 °C |
1.3 g/10 min @Load 4.76 lb, Temperature 374 °F |
(MVR) cm³/10min; ISO 1133 | |||
| Mechanical Properties | Metric | English | Comments | ||
| Tensile Strength, Yield | 68.0 MPa | 9860 psi | 50mm/min; ISO 527-2/1A | ||
| Elongation at Yield | 16 % | 16 % | 50mm/min; ISO 527-2/1A | ||
| Tensile Modulus | 2.80 GPa | 406 ksi | 1mm/min; ISO 527-2/1A | ||
| Flexural Modulus | 2.75 GPa | 399 ksi | ISO 178 | ||
| Izod Impact, Notched (ISO) | 9.50 kJ/m² | 4.52 ft-lb/in² | ISO 180/1A | ||
| Charpy Impact Unnotched | 28.0 J/cm² | 133 ft-lb/in² | ISO 179/1eU | ||
| 23.5 J/cm² @Temperature -30.0 °C |
112 ft-lb/in² @Temperature -22.0 °F |
ISO 179/1eU | |||
| Charpy Impact, Notched | 1.10 J/cm² | 5.23 ft-lb/in² | ISO 179/1eA | ||
| 0.850 J/cm² @Temperature -30.0 °C |
4.04 ft-lb/in² @Temperature -22.0 °F |
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 | 120 µm/m-°C | 66.7 µin/in-°F | ISO 11359-2 | ||
| Melting Point | 173 °C | 343 °F | 10°C/min; ISO 11357-1,-2,-3 | ||
| Deflection Temperature at 0.46 MPa (66 psi) | 158 °C | 316 °F | ISO 75-1, -2 | ||
| Deflection Temperature at 1.8 MPa (264 psi) | 101 °C | 214 °F | ISO 75-1, -2 | ||
| Processing Properties | Metric | English | Comments | ||
| Processing Temperature | 90.0 - 120 °C | 194 - 248 °F | Cavity temperature | ||
| Zone 1 | 190 - 200 °C | 374 - 392 °F | |||
| Zone 2 | 190 - 210 °C | 374 - 410 °F | |||
| Zone 3 | 190 - 215 °C | 374 - 419 °F | |||
| Zone 4 | 190 - 220 °C | 374 - 428 °F | |||
| Die Temperature | 190 - 220 °C | 374 - 428 °F | |||
| Melt Temperature | 160 - 220 °C | 320 - 428 °F | |||
| Mold Temperature | 93.3 - 121 °C | 200 - 250 °F | generally preferred range, may vary with thickness | ||
| Drying Temperature | 80.0 - 100 °C | 176 - 212 °F | |||
| Dry Time | 3.00 hour | 3.00 hour | |||
| Injection Pressure | 90.0 - 140 MPa | 13100 - 20300 psi | |||
| Hold Pressure | 90.0 - 140 MPa | 13100 - 20300 psi | |||
| Back Pressure | 0.500 MPa | 72.5 psi | |||
| Hot-Working Temperature | 190 - 220 °C | 374 - 428 °F | |||
| De |
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| Injection molding | Yes | ||||
| Injection speed | slow | ||||
| Pellets | Yes | ||||
| Pre-drying | Drying is not normally required with proper storage | ||||
| Processing conditions | ISO 9988-2 | ||||
| Profile extrusion | Yes | ||||
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