What Is PVDF In PVDF Foam Sheet?

I believe everyone knows PVDF foam sheet, but do you know what PVDF is in PVDF foam sheet? Today I will tell you what PVDF is.

Polyvinylidene fluoride, or PVDF for short, is a highly non-reactive thermoplastic fluoropolymer. It can be synthesized by the polymerization of vinylidene fluoride. Soluble in strong polar solvents such as dimethylacetamide. Excellent anti-aging, chemical resistance, weather resistance, UV radiation resistance and other properties. It can be used as engineering plastics, used to make sealing ring corrosion-resistant equipment, capacitors, and also used as coatings, insulating materials and ion exchange membrane materials.

PVDF is mainly used in occasions that have extremely high requirements on purity and also need to resist solvent and acid and alkali corrosion. Compared to other fluoropolymers, such as PTFE, PVDF has a lower density (1.78 g/cm).

PVDF can be used to produce insulating sheaths for pipes, sheets, films, substrates and cables. At the same time, it can also be injection molded or welded, and is widely used in the chemical, semiconductor, pharmaceutical and defense industries. For example, it can be used to make lithium-ion batteries. In addition, it can be made into cross-linked closed-cell foam, which is increasingly used in aerospace.

Fine powder grades of PVDF, such as KYNAR 500 PVDF and HYLAR 5000 PVDF, can be used to manufacture high-end metallic coatings. This coating has very high gloss and color stability. This paint can be found in many famous buildings, such as Petronas Twin Towers, Taipei 101. This coating can also be used for metal roofing of commercial buildings and residences.

Since PVDF membranes have non-specific affinity for amino acids, they can be used to immobilize proteins in Western blot assays.

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