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Description
PVDF is a relatively new fluoropolymer. Like the other fluoropolymers, its best feature is its chemical resistance. The mechanical features of PVDF are notably higher than PTFE and it does not suffer strain under load.
Features
Chemical: it has the typical high chemical properties of the fluoropolymers
Mechanical: compared to PTFE it has higher mechanical features, such as tensile stress and compressive strength
Very good resistance to low and high temperatures up to 150° C as well as UV. ray resistance
Excellent dimensional stability
Low flammability
Excellent dimensional stability
Low flammability
Low friction coefficient
Colour natural
Weak Points
Compared to PTFE the resistance to high temperature is lower (150 °C )
Application
Mechanical: thanks to the low friction coefficient, it is ideal for bearings, even when operating in water
Food contact: physiologically inert, it is approved for food contact by the most important international standards organisations. Thanks to this feature, it is widely used for components in food machinery, pumps for liquid food, etc.
Electrical: very good dielectric properties, halogen-free self-extinguishing power, weatherproof: these features make PVDF increasingly indispensable in this field
Chemical: the excellent chemical resistance to acids and alkali is typical of the fluoropolymers. It is used for components in the petrochemical and chemical industries