类别：聚合物；热塑性；聚甲醛（POM）；缩醛均聚物，玻璃纤维增强
材料说明：20%玻璃填充介质粘度缩醛均聚物
聚甲醛577 BK000是介质粘度缩醛均聚物含20%玻璃纤维填料高刚度，低翘曲和高温蠕变性能低。
物性表：| Physical Properties | Metric | English | Comments | ||
|---|---|---|---|---|---|
| Density | 1.56 g/cc | 0.0564 lb/in³ | ISO 1183 | ||
| Viscosity | 99000 cP @Shear Rate 5000 1/s, Temperature 230 °C |
99000 cP @Shear Rate 5000 1/s, Temperature 446 °F |
ISO 11403-1 -2 | ||
| 105000 cP @Shear Rate 5000 1/s, Temperature 215 °C |
105000 cP @Shear Rate 5000 1/s, Temperature 419 °F |
ISO 11403-1 -2 | |||
| 111000 cP @Shear Rate 5000 1/s, Temperature 200 °C |
111000 cP @Shear Rate 5000 1/s, Temperature 392 °F |
ISO 11403-1 -2 | |||
| 365000 cP @Shear Rate 500 1/s, Temperature 230 °C |
365000 cP @Shear Rate 500 1/s, Temperature 446 °F |
ISO 11403-1 -2 | |||
| 407000 cP @Shear Rate 500 1/s, Temperature 215 °C |
407000 cP @Shear Rate 500 1/s, Temperature 419 °F |
ISO 11403-1 -2 | |||
| 454000 cP @Shear Rate 500 1/s, Temperature 200 °C |
454000 cP @Shear Rate 500 1/s, Temperature 392 °F |
ISO 11403-1 -2 | |||
| Linear Mold Shrinkage, Flow | 0.017 cm/cm | 0.017 in/in | ISO 294-4 2577 | ||
| Linear Mold Shrinkage, Transverse | 0.011 cm/cm | 0.011 in/in | ISO 294-4 2577 | ||
| 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 |
cm³/10min; ISO 1133 | ||
| Mechanical Properties | Metric | English | Comments | ||
| Tensile Strength at Break | 52.0 MPa | 7540 psi | ISO 527-1/-2 | ||
| Elongation at Break | 10 % | 10 % | ISO 527-1/-2 | ||
| Tensile Modulus | 4.80 GPa | 696 ksi | ISO 527-1/-2 | ||
| Flexural Modulus | 4.60 GPa | 667 ksi | ISO 178 | ||
| Charpy Impact, Notched | 0.300 J/cm² | 1.43 ft-lb/in² | ISO 179/1eA | ||
| 0.300 J/cm² @Temperature -30.0 °C |
1.43 ft-lb/in² @Temperature -22.0 °F |
ISO 179/1eA | |||
| Thermal Properties | Metric | English | Comments | ||
| CTE, linear, Parallel to Flow | 56.0 µm/m-°C | 31.1 µin/in-°F | ISO 11359-1/-2 | ||
| CTE, linear, Transverse to Flow | 92.0 µm/m-°C | 51.1 µin/in-°F | ISO 11359-1/-2 | ||
| Melting Point | 178 °C | 352 °F | 10°C/min; ISO 11357-1/-3 | ||
| Deflection Temperature at 0.46 MPa (66 psi) | 164 °C | 327 °F | ISO 75-1/-2 | ||
| Deflection Temperature at 1.8 MPa (264 psi) | 118 °C | 244 °F | ISO 75-1/-2 | ||
| Flammability, UL94 | HB @Thickness 1.50 mm |
HB @Thickness 0.0591 in |
IEC 60695-11-10 | ||
| De |
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| Additives | Release agent | ||||
| Delivery form | Pellets | ||||
| Part Marking Code | >POM-GF20< | ISO 11469 | |||
| Processing | Injection Moulding | ||||
| Regional Availability | Asia Pacific | ||||
| Europe | |||||
| Global | |||||
| Near East/Africa | |||||
| North America | |||||
| South and Central America | |||||
| Resin Identification | POM-GF20 | ISO 1043 | |||
| Special characteristics | Light stabilised or stable to light | ||||
| U.V. stabilised or stable to weather | |||||
| UL recognition | UL | ||||
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