This product have good solubility in some solvent, so, DF-2 PVDF powder is suitable for lithium battery industry as binder. DF-2 PVDF resin own high dielectric constant, it have higher viscosity and binding properties in some solvent, easy to film.DF-2 PVDF powder as raw materials, the lithium battery membrane have good chemical stability, temperature stability, excellent mechanical strength and workability.