类别：聚合物；热塑性；聚甲醛（POM）；乙缩醛共聚物，无筋
材料说明：Hostaform®缩醛共聚物是一种强度高，结晶，热塑性工程树脂的平衡性能和易加工性能提供性能和成本比其他材料的优点。
本等级的具体说明：挤压级，如平面、圆形和空心杆。刚性流动。也为注射成型的厚壁，无空隙的零件。
物性表：| Physical Properties | Metric | English | Comments |
|---|---|---|---|
| Density | 1.41 g/cc | 0.0509 lb/in³ | 10x10x4 mm from multi-purpose test specimen (ISO 3167); ISO 1183 |
| Moisture Absorption at Equilibrium | 0.20 % @Temperature 23.0 °C |
0.20 % @Temperature 73.4 °F |
80x80x1mm, 50% RH; ISO 62 |
| Water Absorption at Saturation | 0.65 % @Temperature 23.0 °C |
0.65 % @Temperature 73.4 °F |
80x80x1 mm; ISO 62 |
| Melt Flow | 3.1 g/10 min @Load 2.16 kg, Temperature 190 °C |
3.1 g/10 min @Load 4.76 lb, Temperature 374 °F |
Calculated from Volume flow Rate: 2.2 cm3/10min; ISO 1133 |
| Mechanical Properties | Metric | English | Comments |
| Ball Indentation Hardness | 144 MPa | 20900 psi | 30 sec value, 20x20x4 mm; ISO 2039, part 1; applied load 358 N |
| Tensile Strength, Yield | 60.0 MPa | 8700 psi | multi-purpose test specimen (ISO 3167); ISO 527, part 1/2; test speed 50 mm/min |
| Elongation at Break | 35 % | 35 % | multi-purpose test specimen (ISO 3167); ISO 527, part 1/2; test speed 50 mm/min |
| Elongation at Yield | 9.5 % | 9.5 % | multi-purpose test specimen (ISO 3167); ISO 527, part 1/2; test speed 50 mm/min |
| Tensile Modulus | 2.50 GPa | 363 ksi | multi-purpose test specimen (ISO 3167); ISO 527, part 1/2; test speed 1 mm/min |
| Flexural Modulus | 2.50 GPa | 363 ksi | 80x10x4mm from multi-purpose test specimen (ISO 3167); ISO 178 |
| Charpy Impact Unnotched | 20.0 J/cm² @Temperature -30.0 °C |
95.2 ft-lb/in² @Temperature -22.0 °F |
80x10x4 m from multi-purpose test specimen (ISO 3167); ISO 179 1eU |
| 22.0 J/cm² @Thickness 4.00 mm, Temperature 23.0 °C |
105 ft-lb/in² @Thickness 0.157 in, Temperature 73.4 °F |
80x10x4 m from multi-purpose test specimen (ISO 3167); ISO 179 1eU | |
| Charpy Impact, Notched | 0.700 J/cm² @Temperature -30.0 °C |
3.33 ft-lb/in² @Temperature -22.0 °F |
80x10x4 m from multi-purpose test specimen (ISO 3167); ISO 179 1eA |
| 0.900 J/cm² @Thickness 4.00 mm, Temperature 23.0 °C |
4.28 ft-lb/in² @Thickness 0.157 in, Temperature 73.4 °F |
80x10x4 m from multi-purpose test specimen (ISO 3167); ISO 179 1eA | |
| Tensile Creep Modulus, 1 hour | 2100 MPa | 305000 psi | multi-purpose test specimen (ISO 3167); ISO 899, part 1 |
| Tensile Creep Modulus, 1000 hours | 1100 MPa | 160000 psi | multi-purpose test specimen (ISO 3167); ISO 899, part 1 |
| Electrical Properties | Metric | English | Comments |
| Dielectric Constant | 4.0 @Frequency 100 Hz |
4.0 @Frequency 100 Hz |
80x80x1 mm; IEC 60250 |
| 4.0 @Frequency 1e+6 Hz |
4.0 @Frequency 1e+6 Hz |
80x80x1 mm; IEC 60250 | |
| Dielectric Strength | 35.0 kV/mm | 889 kV/in | 80x80x1 mm; IEC 60243, part 1 |
| Dissipation Factor | 0.0015 @Frequency 100 Hz |
0.0015 @Frequency 100 Hz |
80x80x1 mm; IEC 60250 |
| 0.0050 @Frequency 1e+6 Hz |
0.0050 @Frequency 1e+6 Hz |
80x80x1 mm; IEC 60250 | |
| Thermal Properties | Metric | English | Comments |
| CTE, linear | 110 µm/m-°C @Temperature 23.0 - 55.0 °C |
61.1 µin/in-°F @Temperature 73.4 - 131 °F |
Longitudinal, 30x10x4 mm from multi-purpose test specimen (ISO 3167); ISO 11359, part 1/2 |
| Melting Point | 165 °C | 329 °F | DSC, 10 K/min, Molding compound; ISO 3146, method C1b |
| Deflection Temperature at 1.8 MPa (264 psi) | 96.0 °C | 205 °F | 80x10x4 mm from multi-purpose test specimen (ISO 3167); ISO 75, part 1/2 |
| Vicat Softening Point | 150 °C | 302 °F | VST/B/50, 10x10x4 mm from multi-purpose test specimen (ISO 3167); ISO 306 |
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