类别：聚合物；热塑性；聚甲醛（POM）
材料说明：Hostaform®共聚级M90 XAP®是低排放版本，中等粘度的聚合物一般用途主要用于汽车内饰市场注塑提供最佳的性能。这种等级提供了整体的优秀表现
基于特点M90™室内汽车低排放等级
物性表：| Physical Properties | Metric | English | Comments | ||
|---|---|---|---|---|---|
| Density | 1.40 g/cc | 0.0506 lb/in³ | ISO 1183 | ||
| Linear Mold Shrinkage, Flow | 0.018 cm/cm | 0.018 in/in | ISO 294-4 | ||
| Linear Mold Shrinkage, Transverse | 0.018 cm/cm | 0.018 in/in | ISO 294-4 | ||
| Melt Flow | 8.0 g/10 min @Load 2.16 kg, Temperature 190 °C |
8.0 g/10 min @Load 4.76 lb, Temperature 374 °F |
(MVR) cm³/10min; ISO 1133 | ||
| Mechanical Properties | Metric | English | Comments | ||
| Tensile Strength, Yield | 65.0 MPa | 9430 psi | 50mm/min; ISO 527-2/1A | ||
| Elongation at Yield | 9.5 % | 9.5 % | 50mm/min; ISO 527-2/1A | ||
| Tensile Modulus | 2.60 GPa | 377 ksi | 1mm/min; ISO 527-2/1A | ||
| Flexural Modulus | 2.56 GPa | 371 ksi | ISO 178 | ||
| Charpy Impact, Notched | 0.640 J/cm² | 3.05 ft-lb/in² | 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 | 120 µm/m-°C | 66.7 µin/in-°F | ISO 11359-2 | ||
| Melting Point | 167 °C | 333 °F | 10°C/min; ISO 11357-1,-2,-3 | ||
| Deflection Temperature at 1.8 MPa (264 psi) | 100 °C | 212 °F | ISO 75-1, -2 | ||
| Processing Properties | Metric | English | Comments | ||
| Processing Temperature | 80.0 - 120 °C | 176 - 248 °F | Cavity temperature | ||
| Zone 1 | 165 - 175 °C | 329 - 347 °F | |||
| Zone 2 | 170 - 180 °C | 338 - 356 °F | |||
| Zone 3 | 170 - 180 °C | 338 - 356 °F | |||
| Zone 4 | 175 - 185 °C | 347 - 365 °F | |||
| Die Temperature | 180 - 190 °C | 356 - 374 °F | |||
| Melt Temperature | 180 - 190 °C | 356 - 374 °F | |||
| Drying Temperature | 140 °C | 284 °F | |||
| Dry Time | 2.00 hour | 2.00 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 | 180 - 200 °C | 356 - 392 °F | |||
| De |
|||||
| Injection molding | Yes | ||||
| Injection speed | slow-medium | ||||
| Pre-drying | Drying is recommended to obtain optimum emission performance. | ||||
| Profile extrusion | Yes | ||||
| Recommmended shot size | half the maximum shot size | to ensure short residence time. | |||
| Sheet extrusion | No | ||||
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