Model: Solef 5130
This product is a high-viscosity PVDF homopolymer produced via suspension polymerization, characterized by ultra-high viscosity, stable performance, and superior consistency. It is widely used as a binder in lithium-ion batteries.
Physical Properties
| Specification | Typical Value（Unit） | Test Method |
| Density | 1.75 to 1.78g/cm3 | ISO1183 |
| Water Absorption ① (at 73°F for 24 hours) | ＜0.20% | ASTM D543 |
Mechanical Properties
| Specification | Typical Value（Unit） | Test Method |
| Tensile Modulus ② (at 73°F) | 145000 to 218000 psi | ASTM D638 |
Thermodynamic Properties
| Specification | Typical Value（Unit） | Test Method |
| Glass Transition Temperature (DSC) | -40.0℉ | DSC |
| Melting Point | 316-331℉ | ASTM D3418 |
| Crystallization Peak Temperature (DSC) | 275-284℉ | ASTM D3418 |
| Heat of Fusion ③ | 40.0-48.0J/g | ASTM D3418 |
| Thermodynamic Stability ④ | ＞707℉ | TGA |
Electrical Properties
| Specification | Typical Value（Unit） | Test Method |
| Surface Resistivity ⑤ | ＞1.0E+14 ohm | ASTM D257 |
| Volume Resistivity ⑥ | ＞1.0E+14 ohm·cm | ASTM D257 |
Other Properties
| Intrinsic Viscosity：0.27-0.31l/g |
Notes:
The above parameters are for reference only.
① 30g
② 0.039 in/min
③ 80℃ until melting
④ 1% weight loss
⑤ Voltage <1V, maintained for 2 minutes; -500V at 23°C
⑥ Current =10mA, maintained for 2 minutes at 23°C
Handling and Storage
Store at room temperature in a dry and sealed environment. To maintain product quality, minimize exposure to air and use immediately after opening the package.
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