| About |
|---|
| Kepital® FW-21是一种聚甲醛（POM）共聚物材料,含有的填充物为填料。 该产品在北美洲、欧洲或亚太地区有供货,。 Kepital® FW-21的主要特性有: 阻燃/额定火焰 加工性能良好 抗蠕变 耐候性好 耐化学品 典型应用领域包括: 工程/工业配件 电气/电子应用 汽车行业&& |
| Product Description | |
|---|---|
| Supplier | Korea Engineering |
| Generic | Copolymer Polyformaldehyde |
| Material Status | Commercial: Active |
| Features | Weather resistance is good,Excellent Processability,Good flexibility,Good liquidity,Fatigue resistance,Good wear resistance,Solvent resistance,Heat Stabilized,HB |
| Availabilitys | North America,Asia Pacific,Europe |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | 1.42 | g/cm³ | ASTM D792 |
| Melt Flow Rate | |||
| 190℃，2.16kg | 9.0 | g/10min | ASTM D1238 |
| Shrinkage rate | |||
| MD | 2.0 | % | ASTM D955 |
| Water absorption rate | |||
| 24hr | 0.22 | % | ASTM D570 |
| IMPACT | Nominal value | Unit | Test method |
|---|---|---|---|
| Impact strength of cantilever beam notch | |||
| 3.2mm | 48 | J/m | ASTM D256 |
| Tensile impact strength | |||
| 1.60 mm | 77.8 | kJ/m² | ASTM D1822 |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Hot deformation temperature | ASTM D648 | ||
| 0.45 MPa, unannealed | 158 | ℃ | |
| 1.8 MPa, unannealed | 109 | ℃ | |
| Melting temperature | 165 | ℃ | |
| Linear coefficient of thermal expansion | |||
| MD | 1.3E-5 | 1/℃ | ASTM D696 |
| Relative temperature index | |||
| Electrical performance, 0.80 mm | 50.0 | ℃ | UL 746 |
| Impact mechanical performance, 0.80 mm | 50.0 | ℃ | UL 746 |
| 0.80 mm | 50.0 | ℃ | UL 746 |
| Electrical performance | Nominal value | Unit | Test method |
|---|---|---|---|
| Surface resistivity | 1.0E+16 | ohms | ASTM D257 |
| Volume resistivity | 1.0E+14 | ohms·cm | ASTM D257 |
| FLAME CHARACTERISTICS | Nominal value | Unit | Test method |
|---|---|---|---|
| 0.80 mm | HB | UL 94 |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Rockwell hardness | |||
| M-level | 80 | ASTM D785 | |
| tensile strength | 55.9 | MPa | ASTM D638 |
| Tensile strain | |||
| fracture | 40 | % | ASTM D638 |
| Bending modulus | 2550 | MPa | ASTM D790 |
| bending strength | 81.4 | MPa | ASTM D790 |
| shear strength | 52.9 | MPa | ASTM D732 |
| Notes |
|---|
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