类别：聚合物；热塑性；聚甲醛（POM）
材料说明：POM共聚物，低排放
物性表：| Physical Properties | Metric | English | Comments | ||
|---|---|---|---|---|---|
| Density | 1.42 g/cc | 0.0513 lb/in³ | ISO 1183 | ||
| Melt Flow | 7.0 g/10 min @Load 2.16 kg, Temperature 190 °C |
7.0 g/10 min @Load 4.76 lb, Temperature 374 °F |
(MVR) cm³/10min; ISO 1133 | ||
| Mechanical Properties | Metric | English | Comments | ||
| Tensile Strength, Yield | 52.0 MPa | 7540 psi | 50mm/min; ISO 527-2/1A | ||
| Elongation at Break | 16 % | 16 % | 50mm/min; ISO 527-2/1A | ||
| Elongation at Yield | 7.0 % | 7.0 % | 50mm/min; ISO 527-2/1A | ||
| Tensile Modulus | 2.70 GPa | 392 ksi | 1mm/min; ISO 527-2/1A | ||
| Charpy Impact Unnotched | 9.00 J/cm² | 42.8 ft-lb/in² | ISO 179/1eU | ||
| 8.50 J/cm² @Temperature -30.0 °C |
40.4 ft-lb/in² @Temperature -22.0 °F |
ISO 179/1eU | |||
| Charpy Impact, Notched | 0.400 J/cm² | 1.90 ft-lb/in² | ISO 179/1eA | ||
| 0.400 J/cm² @Temperature -30.0 °C |
1.90 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 | ||
| Melting Point | 166 °C | 331 °F | 10°C/min; ISO 11357-1,-2,-3 | ||
| Deflection Temperature at 1.8 MPa (264 psi) | 80.0 °C | 176 °F | ISO 75-1, -2 | ||
| Flame Spread | <= 100 mm/min | <= 3.94 in/min | ISO 3795 and FMVSS 302 | ||
| 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 - 230 °C | 374 - 446 °F | |||
| Mold Temperature | 80.0 - 120 °C | 176 - 248 °F | |||
| Drying Temperature | 100 - 120 °C | 212 - 248 °F | |||
| Dry Time | 3.00 - 4.00 hour | 3.00 - 4.00 hour | |||
| Moisture Content | 0.15 % | 0.15 % | Necessary low maximum residual | ||
| Injection Pressure | 60.0 - 120 MPa | 8700 - 17400 psi | |||
| Hold Pressure | 60.0 - 120 MPa | 8700 - 17400 psi | |||
| Back Pressure | 2.00 MPa | 290 psi | |||
| Screw Speed | 70 rpm @Diameter 55.0 mm |
70 rpm @Diameter 2.17 in |
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| 100 rpm @Diameter 40.0 mm |
100 rpm @Diameter 1.57 in |
||||
| 150 rpm @Diameter 25.0 mm |
150 rpm @Diameter 0.984 in |
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| Hot-Working Temperature | 190 - 210 °C | 374 - 410 °F | |||
| De |
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| Injection molding | Yes | ||||
| Injection speed | slow | ||||
| Longer pre-drying times/storage | The product can then be stored in standard conditions until processed. | ||||
| Processing conditions | ISO 9988 | ||||
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