| About |
|---|
| Hyosung Polyketone M640A High viscosity and Heat-resisting grade for injection molding (Natural color)&& |
| Product Description | |
|---|---|
| Supplier | Hyosung |
| Generic | POK |
| Material Status | Commercial: Active |
| Features | High Viscosity,High Heat Resistance,HB |
| Availabilitys | North America,Asia Pacific,Europe |
| Process Methods | Injection Molding |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | 1.24 | g/cm³ | ASTM D792 |
| Melt Flow Rate | |||
| 240℃，2.16kg | 6.0 | g/10min | ASTM D1238 |
| Shrinkage rate | |||
| MD | 1.8 to 2.0 | % | ASTM D955 |
| Water absorption rate | |||
| Equilibrium, 23 ℃, 60% RH | 0.45 | % | ASTM D570 |
| IMPACT | Nominal value | Unit | Test method |
|---|---|---|---|
| Charpy Notched Impact Strength | |||
| 23℃ | 196 | J/m | ASTM D256 |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Hot deformation temperature | |||
| 1.8 MPa, unannealed | 115 | ℃ | ASTM D648 |
| 0.45 MPa, unannealed | 220 | ℃ | ASTM D648 |
| Melting temperature | 235 | ℃ | ASTM D1525 |
| Electrical performance | Nominal value | Unit | Test method |
|---|---|---|---|
| Volume resistivity | 1.0E+15 | ohms·cm | ASTM D257 |
| Dielectric strength | 20 | kV/mm | ASTM D149 |
| FLAME CHARACTERISTICS | Nominal value | Unit | Test method |
|---|---|---|---|
| Flame retardant level | HB | UL 94 |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| tensile strength | |||
| 23℃ | 63.7 | MPa | ASTM D638 |
| Tensile strain | |||
| Fracture, 23 ℃ | > 300 | % | ASTM D638 |
| Bending modulus | |||
| 23℃ | 1670 | MPa | ASTM D790 |
| bending strength | |||
| 23℃ | 63.7 | MPa | ASTM D790 |
| Rockwell hardness | |||
| R-level | 105 | ASTM D785 |
| Notes |
|---|
| 1. Typical properties: these are not to be construed as specifications. |
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