类别：聚合物；热塑性；聚甲醛（POM）；乙缩醛共聚物，影响改性
材料说明：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。
本级专用注：易流动注塑级，弹性体改性。高抗冲击，弹性和减振。
物性表：| Physical Properties | Metric | English | Comments |
|---|---|---|---|
| Density | 1.29 g/cc | 0.0466 lb/in³ | 10x10x4 mm from multi-purpose test specimen (ISO 3167); ISO 1183 |
| Moisture Absorption at Equilibrium | 0.30 % | 0.30 % | 80x80x1mm, at 23°C and 50% RH; ISO 62 |
| Water Absorption at Saturation | 0.80 % | 0.80 % | 80x80x1mm, 23°C; ISO 62 |
| Melt Flow | 20.64 g/10 min @Load 2.16 kg, Temperature 190 °C |
20.64 g/10 min @Load 4.76 lb, Temperature 374 °F |
Calculated from Volume flow Rate: 16 cm3/10min; ISO 1133 |
| Mechanical Properties | Metric | English | Comments |
| Ball Indentation Hardness | 35.0 MPa | 5080 psi | 30 sec value, 20x20x4 mm; ISO 2039, part 1; applied load 358 N |
| Tensile Modulus | 0.900 GPa | 131 ksi | multi-purpose test specimen (ISO 3167); ISO 527, part 1/2; test speed 1 mm/min |
| Flexural Modulus | 0.800 GPa | 116 ksi | 80x10x4mm from multi-purpose test specimen (ISO 3167); ISO 178 |
| Charpy Impact Unnotched | NB @Temperature -30.0 °C |
NB @Temperature -22.0 °F |
80x10x4 m from multi-purpose test specimen (ISO 3167); ISO 179 1eU |
| NB @Thickness 4.00 mm, Temperature 23.0 °C |
NB @Thickness 0.157 in, Temperature 73.4 °F |
80x10x4 m from multi-purpose test specimen (ISO 3167); ISO 179 1eU | |
| Charpy Impact, Notched | 0.900 J/cm² @Temperature -30.0 °C |
4.28 ft-lb/in² @Temperature -22.0 °F |
80x10x4 m from multi-purpose test specimen (ISO 3167); ISO 179 1eA |
| 1.20 J/cm² @Thickness 4.00 mm, Temperature 23.0 °C |
5.71 ft-lb/in² @Thickness 0.157 in, Temperature 73.4 °F |
80x10x4 m from multi-purpose test specimen (ISO 3167); ISO 179 1eA | |
| Penetration | 15 | 15 | mm, deformation damage, 60x60x3mm; ISO 6603, part 2 |
| 55 | 55 | J, work to damage, 60x60x3 mm; ISO 6603, part 2 | |
| Tensile Creep Modulus, 1 hour | 700 MPa | 102000 psi | multi-purpose test specimen (ISO 3167); ISO 899, part 1 |
| Tensile Creep Modulus, 1000 hours | 400 MPa | 58000 psi | multi-purpose test specimen (ISO 3167); ISO 899, part 1 |
| Electrical Properties | Metric | English | Comments |
| Dielectric Constant | 5.3 @Frequency 100 Hz |
5.3 @Frequency 100 Hz |
80x80x1 mm; IEC 60250 |
| 5.3 @Frequency 1e+6 Hz |
5.3 @Frequency 1e+6 Hz |
80x80x1 mm; IEC 60250 | |
| Dielectric Strength | 28.0 kV/mm | 711 kV/in | 80x80x1 mm; IEC 60243, part 1 |
| Thermal Properties | Metric | English | Comments |
| CTE, linear | 120 µm/m-°C @Temperature 23.0 - 55.0 °C |
66.7 µin/in-°F @Temperature 73.4 - 131 °F |
Longitudinal, 30x10x4 mm from multi-purpose test specimen (ISO 3167); ISO 11359, part 1/2 |
| Deflection Temperature at 1.8 MPa (264 psi) | 55.0 °C | 131 °F | 80x10x4 mm from multi-purpose test specimen (ISO 3167); ISO 75, part 1/2 |
| Vicat Softening Point | 60.0 °C | 140 °F | VST/B/50, 10x10x4 mm from multi-purpose test specimen (ISO 3167); ISO 306 |
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