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 | 1.41 g/cc | 0.0509 lb/in³ | ISO 1183 | ||
| Water Absorption | 0.65 % | 0.65 % | ISO 62 | ||
| 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 | 63.0 MPa | 9140 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 | ||
| Flexural Modulus | 2.60 GPa | 377 ksi | ISO 178 | ||
| Charpy Impact Unnotched | 18.0 J/cm² | 85.7 ft-lb/in² | partial; ISO 179/1eU | ||
| 16.0 J/cm² @Temperature -30.0 °C |
76.1 ft-lb/in² @Temperature -22.0 °F |
ISO 179/1eU | |||
| Charpy Impact, Notched | 0.650 J/cm² | 3.09 ft-lb/in² | ISO 179/1eA | ||
| 0.600 J/cm² @Temperature -30.0 °C |
2.86 ft-lb/in² @Temperature -22.0 °F |
ISO 179/1eA | |||
| Tensile Creep Modulus, 1 hour | 2400 MPa | 348000 psi | ISO 899-1 | ||
| Tensile Creep Modulus, 1000 hours | 1200 MPa | 174000 psi | ISO 899-1 | ||
| Electrical Properties | Metric | English | Comments | ||
| Volume Resistivity | 1.00e+14 ohm-cm | 1.00e+14 ohm-cm | IEC 60093 | ||
| Surface Resistance | 1.00e+14 ohm | 1.00e+14 ohm | IEC 60093 | ||
| Dielectric Constant | 4.0 @Frequency 100 Hz |
4.0 @Frequency 100 Hz |
IEC 60250 | ||
| 4.0 @Frequency 1.00e+6 Hz |
4.0 @Frequency 1.00e+6 Hz |
IEC 60250 | |||
| Dielectric Strength | 35.0 kV/mm | 889 kV/in | IEC 60243-1 | ||
| Dissipation Factor | 0.0020 @Frequency 100 Hz |
0.0020 @Frequency 100 Hz |
IEC 60250 | ||
| 0.0050 @Frequency 1.00e+6 Hz |
0.0050 @Frequency 1.00e+6 Hz |
IEC 60250 | |||
| Comparative Tracking Index | 600 V | 600 V | IEC 60112 | ||
| 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 | 166 °C | 331 °F | 10°C/min; ISO 11357-1,-2,-3 | ||
| Deflection Temperature at 1.8 MPa (264 psi) | 104 °C | 219 °F | ISO 75-1, -2 | ||
| Flame Spread | <= 100 mm/min @Thickness 1.00 mm |
<= 3.94 in/min @Thickness 0.0394 in |
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 - 175 °C | 338 - 347 °F | |||
| Zone 2 | 180 - 185 °C | 356 - 365 °F | |||
| Zone 3 | 180 - 195 °C | 356 - 383 °F | |||
| Zone 4 | 180 - 200 °C | 356 - 392 °F | |||
| Die Temperature | 190 - 200 °C | 374 - 392 °F | |||
| Melt Temperature | 180 - 200 °C | 356 - 392 °F | |||
| Drying Temperature | 120 - 140 °C | 248 - 284 °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 | 4.00 MPa | 580 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 - 200 °C | 374 - 392 °F | |||
| De |
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| Injection molding | Yes | ||||
| Injection speed | slow-medium | ||||
| Pre-drying | recommended | ||||
| Processing conditions | ISO 9988-2 | ||||
| Processing Notes | Emission according to VDA 275 < 2 mg/kg (natural grades) | ||||
| Emission according to VDA 275 < 5 mg/kg (colored grades) | |||||
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