| About |
|---|
| KF 1700 PVDF homopolymer is an ultra-high viscosity PVDF ideal for usage in lithium batteries. It is available exclusively as powder.&& |
| Product Description | |
|---|---|
| Supplier | Kureha |
| Generic | PVDF |
| Material Status | Commercial: Active |
| Features | Ultra High Viscosity,Homopolymer,V-0 |
| Availabilitys | North America,Asia Pacific,Europe |
| Process Methods | Extrusion |
| Technical Data | |||
|---|---|---|---|
| THERMAL | Nominal value | Unit | Test method |
| Glass transition temperature | -35.0 | ℃ | DMA |
| Melting peak temperature | 173 | ℃ | ASTM D3418 |
| Crystallization peak temperature | |||
| DSC | 140 | ℃ | ASTM D3418 |
| Linear coefficient of thermal expansion | |||
| MD：23~80℃ | 1.6E-4 | 1/℃ | ISO 11359-2 |
| specific heat | |||
| 23℃ | 1200 | J/kg/℃ | JIS K7123 |
| Thermal conductivity coefficient | |||
| 23℃ | 0.17 | W/m/K | ASTM E1530 |
| Electrical performance | Nominal value | Unit | Test method |
|---|---|---|---|
| Surface resistivity | > 1.0E+15 | ohms | ASTM D257 |
| Volume resistivity | 1.0E+14 to 1.0E+15 | ohms·cm | ASTM D257 |
| Dielectric strength | |||
| 0.034 mm | 300 | kV/mm | ASTM D149 |
| FLAME CHARACTERISTICS | Nominal value | Unit | Test method |
|---|---|---|---|
| equivalent | V-0 | UL 94 | |
| Extreme oxygen index | 44 | % | ISO 4589-2 |
| optical performance | Nominal value | Unit | Test method |
|---|---|---|---|
| Refractive index | 1.420 | ASTM D542 |
| PHYSICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Density | 1.77 to 1.79 | g/cm³ | ASTM D792 |
| Melt Flow Rate | |||
| 230℃，21.6kg | 1.7 | g/10min | ASTM D1238 |
| Water absorption rate | |||
| balance | 0.030 | % | ASTM D570 |
| Solution viscosity | |||
| DMF，30℃ | 170 | cm³/g | |
| Apparent viscosity of melt | |||
| 260℃，50.0 sec^-1 | 9100 | Pa·s | ASTM D3835 |
| Notes |
|---|
| 1. Typical properties: these are not to be construed as specifications. |
| 2. Type-IV |
| 3. 25°C |
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