| About |
|---|
| KF 850 PVDF homopolymer is a low-viscosity PVDF resin typically processed by injection molding. This material offers excellent chemical resistance at ambient and elevated temperatures. PVDF is also inherently UV stable, mechanically tough, abrasion&& |
| Product Description | |
|---|---|
| Supplier | Kureha |
| Generic | PVDF |
| Material Status | Commercial: Active |
| Features | Weather resistance is good,Low Viscosity,Homopolymer,V-0 |
| Availabilitys | North America,Asia Pacific,Europe |
| Process Methods | Injection Molding |
| Technical Data | |||
|---|---|---|---|
| MECHANICAL | Nominal value | Unit | Test method |
| Shore hardness | |||
| Shore D, 23 ℃ | 78 | ISO 868 | |
| Tensile modulus | 2510 | MPa | ISO 527-2 |
| tensile strength | |||
| yield | 57.0 | MPa | ISO 527-2 |
| Tensile strain | |||
| fracture | 76 | % | ISO 527-2 |
| Bending modulus | 1990 | MPa | ISO 178 |
| bending strength | 75.0 | MPa | ISO 178 |
| Compression modulus | 1700 | MPa | ISO 604 |
| compressive strength | 76.0 | MPa | ISO 604 |
| Taber abraser | |||
| 1000 cycles, 1000 g | 31.0 | mg | ISO 9352 |
| IMPACT | Nominal value | Unit | Test method |
|---|---|---|---|
| Impact strength of cantilever beam notch | |||
| Area | ASTM D256 | ||
| -40℃ | 3.00 | kJ/m² | ASTM D256 |
| -20℃ | 3.00 | kJ/m² | ASTM D256 |
| 0℃ | 5.00 | kJ/m² | ASTM D256 |
| 20℃ | 7.90 | kJ/m² | ASTM D256 |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Embrittlement temperature | -13.0 | ℃ | ASTM D746 |
| Glass transition temperature | -35.0 | ℃ | DMA |
| Vicat Softening Temp | |||
| A50 | 171 | ℃ | ISO 306/A50 |
| 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 |
| Dielectric constant | |||
| 1 kHz | 10.0 | ASTM D150 | |
| Dissipation factor | |||
| 1 kHz | 0.015 | ASTM D150 |
| 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℃，5.0kg | 18 to 26 | g/10min | ASTM D1238 |
| Water absorption rate | |||
| balance | 0.030 | % | ASTM D570 |
| Solution Viscosity（DMF，30℃） | 85 | cm³/g | |
| Apparent viscosity of melt | |||
| 240℃，50.0 sec^-1 | 1200 | Pa·s | ASTM D3835 |
| Notes |
|---|
| 1. Typical properties: these are not to be construed as specifications. |
| 2. 50N |
| 3. Type-IV |
| 4. 25°C |
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