Polyvinylidene fluoride (PVDF),24937-79-9, (C2H2F2)n Polyvinylidene fluoride (PVDF),CAS No.:24937-79-9(C2H2F2)nMolecular formula: (C2H2F2)n Density: 1.75-1.79Tensile strength ≥35-40 MpaBreaking elongation≥250-50%Appearance: White powdery or Graininess resinDirect from factory, can be more cheaper.