| About |
|---|
| K950 is a high-viscosity unreinforced PK material. The material has excellent wear resistance and toughness, good surface appearance and dimensional stability.&& |
| Product Description | |
|---|---|
| Supplier | Worldful |
| Generic | POK |
| Material Status | Commercial: Active |
| Features | Good flexibility,Good surface appearance,High Viscosity,Good Dimensional Stability,Good wear resistance |
| Availabilitys | Asia Pacific |
| 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 | 1.9 to 2.1 | % | |
| TD | 1.9 to 2.1 | % | |
| Water absorption rate | |||
| balance | 0.50 | % | ASTM D570 |
| IMPACT | Nominal value | Unit | Test method |
|---|---|---|---|
| Charpy Unnotch Impact strength | > 500 | J/m | ASTM D256 |
| Impact strength of cantilever beam notch | 180 | J/m | ASTM D256 |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Hot deformation temperature | |||
| 0.45 MPa, unannealed | 200 | ℃ | |
| 1.8 MPa, unannealed | 105 | ℃ | |
| Melting temperature | 220 | ℃ | ASTM D2133 |
| Electrical performance | Nominal value | Unit | Test method |
|---|---|---|---|
| Volume resistivity | 1.0E+15 | ohms·cm | IEC 60093 |
| Dielectric strength | 17 | kV/mm | IEC 60243-1 |
| Compared to the leakage tracing index | 600 | V | IEC 60112 |
| FLAME CHARACTERISTICS | Nominal value | Unit | Test method |
|---|---|---|---|
| Flame retardant level | |||
| 1.60 mm | HB | ||
| 3.20 mm | HB |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Rockwell hardness | |||
| R-level | 100 | ASTM D785 | |
| tensile strength | 58.0 | MPa | ASTM D638 |
| Tensile strain | |||
| fracture | > 200 | % | ASTM D638 |
| Bending modulus | 1300 | MPa | ASTM D790 |
| bending strength | 50.0 | MPa | ASTM D790 |
| Process Conditions | |||
|---|---|---|---|
| injection | Nominal value | Unit | Test method |
| Drying temperature | 70 to 100 | °C | |
| Drying time | 2.0 to 3.0 | hr | |
| Barrel rear temperature | 200 to 220 | °C | |
| Barrel middle temperature | 220 to 240 | °C | |
| Barrel front temperature | 210 to 230 | °C | |
| Processing (melt) temperature | 220 to 240 | °C | |
| Mold temperature | 60 to 90 | °C | |
| Injection speed | 中等偏快 | ||
| Back pressure | 1.00 to 2.00 | MPa | |
| Notes |
|---|
| 1. Typical properties: these are not to be construed as specifications. |
| 2. 2.0 in/min |
| 3. 0.79 in/min |
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