类别：聚合物；热塑性；聚甲醛（POM）
材料说明：Hostaform®共聚级mt8r02开发医疗行业应用含低残余单体的一个特殊的等级。Hostaform®mt8r02是一种改进的磨损性能等级针对分子量注塑级
改进的滑动级和良好的医疗技术应用。
物性表：| Physical Properties | Metric | English | Comments | ||
|---|---|---|---|---|---|
| Density | 1.40 g/cc | 0.0506 lb/in³ | ISO 1183 | ||
| Melt Flow | 8.5 g/10 min @Load 2.16 kg, Temperature 190 °C |
8.5 g/10 min @Load 4.76 lb, Temperature 374 °F |
(MVR) cm³/10min; ISO 1133 | ||
| Mechanical Properties | Metric | English | Comments | ||
| Tensile Strength, Yield | 62.0 MPa | 8990 psi | 50mm/min; ISO 527-2/1A | ||
| Elongation at Break | 30 % | 30 % | 50mm/min; ISO 527-2/1A | ||
| Elongation at Yield | 9.0 % | 9.0 % | 50mm/min; ISO 527-2/1A | ||
| Tensile Modulus | 2.70 GPa | 392 ksi | 1mm/min; ISO 527-2/1A | ||
| Charpy Impact, Notched | 0.800 J/cm² | 3.81 ft-lb/in² | ISO 179/1eA | ||
| Thermal Properties | Metric | English | Comments | ||
| Melting Point | 166 °C | 331 °F | 10°C/min; ISO 11357-1,-2,-3 | ||
| Deflection Temperature at 1.8 MPa (264 psi) | 82.0 °C | 180 °F | ISO 75-1, -2 | ||
| Processing Properties | Metric | English | Comments | ||
| Processing Temperature | 80.0 - 120 °C | 176 - 248 °F | Cavity temperature | ||
| Zone 1 | <= 176 °C | <= 349 °F | |||
| Zone 2 | <= 182 °C | <= 360 °F | |||
| Zone 3 | <= 188 °C | <= 370 °F | |||
| Zone 4 | <= 193 °C | <= 379 °F | |||
| Die Temperature | <= 198 °C | <= 388 °F | |||
| Melt Temperature | 180 - 230 °C | 356 - 446 °F | |||
| Mold Temperature | 80.0 - 120 °C | 176 - 248 °F | |||
| Drying Temperature | 80.0 - 140 °C | 176 - 284 °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-medium | ||||
| Pre-drying | Drying is not normally required with proper storage | ||||
| Processing conditions | ISO 9988-2 | ||||
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