PVDF, also known as Polyvinylidene fluoride or Polyvinylidene difluoride, is an exceptional material. It has all the properties of an inert plastic such as PTFE (Teflon) with high mechanical resistance. It belongs to a family of fluorinated polymers and it can be used in various applications. Due to its high cost, its applications tend to be reserved for particularly harsh and demanding environments. PVDF is also a fluoropolymer, meaning it is very resistant to solvents, acids, and bases.
Due to its high purity, PVDF has become the leading plastic in industrial piping and valves. It has a semi-crystalline structure, making it more stable than PVC. It is the most sought-after plastic in the chemical, nuclear, agri-food and automotive industries. PVDF is a strong, tough polymer, and its abrasion resistance is higher than other plastics and even some metals. With its low coefficient of friction, it can also minimise damage to food products and packaging during production. It also has natural light resistance and inherent UV.
PVDF can be used within a wide range of temperatures, making it an excellent material for fire resistance. It also has a strong resistance to radiation and has good capacity for thermoforming. As well as this, PVDF can very easily be joined by welding.
PVDF is FDA compliant and completely non-toxic, which means it can be used in repeated contact with food. However, we would only recommend its use for agri-food or other demanding environments due to its high cost.
PVDF is a thermoplastic, which means this material is 100% recyclable. It can be melted down until it becomes liquid, which means it can be remoulded into a new shape. As it is a thermoplastic, this process can be done multiple times.
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